| EXXONMOBIL CHEMICAL PATENTS INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20160074845 | In-situ Trim Coke Selectivation of Toluene Disproportionation Catalyst - The invention relates to treating a molecular sieve prepared by at least one in situ selectivation sequence wherein graphitic coke is adhered to said molecular sieve, which is useful in a toluene disproportionation process. | 03-17-2016 |
| 20160001276 | Process for Making Alkylated Aromatic Compound - A process for producing an alkylated aromatic compound comprises contacting an aromatic starting material and hydrogen with a plurality of catalyst particles under hydroalkylation conditions to produce an effluent comprising the alkylated aromatic compound, the catalyst comprising a composite of a solid acid, an inorganic oxide different from the solid acid and a hydrogenation metal, wherein the distribution of the hydrogenation metal in at least 60 wt % of the catalyst particles is such that the average concentration of the hydrogenation metal in the rim portion of a given catalyst particle is Crim, the average concentration of the hydrogenation metal in the center portion of the given catalyst particle is Ccenter, where 0.2≦Crim/Ccenter<2.0. Also disclosed are hydroalkylation catalyst and process for making phenol and/or cyclohexanone using the catalyst. | 01-07-2016 |
| 20150307427 | Process for Producing Phenol - In a process for producing phenol, cyclohexylbenzene is contacted with an oxygen-containing compound in the presence of an oxidation catalyst comprising a cyclic imide under oxidation conditions effective to produce a product comprising cyclohexylbenzene hydroperoxide and unreacted cyclic imide catalyst. Without removing all the unreacted cyclic imide catalyst, at least a portion of the product is contacted with an acidic molecular sieve under conditions effective to adsorb at least a portion of the unreacted cyclic imide and to convert at least part of the cyclohexylbenzene hydroperoxide in the product portion into phenol and cyclohexanone. | 10-29-2015 |
| 20150225561 | THERMOPLASTIC ELASTOMER COMPOSITION AND PROCESS TO PRODUCE SAME - Disclosed herein is a thermoplastic elastomer composition having improved uv and processability, comprising a post-vulcanized dynamically vulcanized alloy (DVA) and a low molecular weight aromatic amine stabilizer, wherein the DVA comprises an isobutylene elastomeric component dispersed as a domain in a continuous phase comprising at least one thermoplastic resin. A method to produce the thermoplastic elastomer composition is also disclosed. | 08-13-2015 |
| 20150225326 | Oxidation of Hydrocarbons - A process for oxidizing a first hydrocarbon to a corresponding first oxygenate by feeding a first feedstock comprising the first hydrocarbon into an oxidation reactor, contacting the reaction medium with a gas stream comprising O | 08-13-2015 |
| 20150224493 | Activation and Use of Hydroalkylation Catalysts - In a process for activating a hydroalkylation catalyst, a catalyst precursor comprising a solid acid component and a compound of a hydrogenation metal is heated at a heating rate of less than 50° C./hour in the presence of hydrogen to an activation temperature in a range from 100° C. to 260° C. and then the heated catalyst precursor is treated with hydrogen for a duration effective to reduce at least a portion of the metal compound to an elemental form. | 08-13-2015 |
| 20150203429 | Process for Producing Phenol and/or Cyclohexanone from Cyclohexylbenzene - In a process for producing phenol and/or cyclohexanone, cyclohexylbenzene is contacted with an oxygen-containing gas to produce an oxidation effluent containing cyclohexylbenzene hydroperoxide and the cyclohexylbenzene hydroperoxide is then contacted with a cleavage catalyst to produce a cleavage effluent containing phenol and cyclohexanone. At least one of the oxidation effluent and the cleavage effluent also contains at least one by-product selected from phenylcyclohexanols and phenylcyclohexanones and the process further comprises contacting the by-product with a dehydration catalyst to convert the by-product to phenylcyclohexene and hydrogenating the phenylcyclohexene to cyclohexylbenzene. The dealkylation and hydrogenation may be conducted in a single stage. | 07-23-2015 |
| 20150183696 | Naphthalene-Depleted Fluids - The invention relates to the production of naphthalene-depleted heavy aromatics, the naphthalene-depleted heavy aromatic product made thereby, and to an apparatus adapted for said production. | 07-02-2015 |
| 20150148567 | MIXED METAL OXIDE CATALYSTS AND USE THEREOF - Disclosed herein are catalyst compositions useful in selective decomposition of organic oxygenates. A feed comprising an organic oxygenate may be contacted with a catalyst comprising (a) at least 0.1 wt % of an oxide of an element selected from Group 3 of the Periodic Table of Elements, wherein Group 3 includes the Lanthanide series; (b) at least 0.1 wt % of an oxide of an element selected from Group 6 of the Periodic Table of Elements; and (c) at least 0.1 wt % of an oxide of at least one element selected from Group 4 of the Periodic Table of Elements, wherein the wt % s are based upon the total combined weight of the oxides in (a) through (c) and excludes any other components. | 05-28-2015 |
| 20150126756 | Production of Propylene Oxide - In a process for producing propylene oxide, cyclohexylbenzene is contacted with an oxygen-containing compound under oxidation conditions with or without a suitable catalyst to produce an oxidation reaction effluent comprising cyclohexylbenzene hydroperoxide. At least a portion of the cyclohexylbenzene hydroperoxide is then reacted with propylene in the presence of an epoxidation catalyst under conditions effective to produce an epoxidation reaction effluent comprising phenylcyclohexanol and propylene oxide. | 05-07-2015 |
| 20150073193 | Process for Nitrile Removal from Hydrocarbon Feeds - A process is described, such process comprising i) contacting a hydrocarbon feed with a heterogeneous catalyst under conditions suitable to hydrolyze nitriles present in the feed to form a nitrile hydrolysis product comprising ammonia, carboxylic acid and carboxylate salts or a mixture thereof; and ii) removing the nitrile hydrolysis product from the feed. In an embodiment, the hydrocarbon feed comprises olefins and is intended for use in an olefin oligomerization process. | 03-12-2015 |
| 20150045587 | Process for Producing Phenol - A process for producing phenol is described in which a feed comprising cyclohexylbenzene hydroperoxide is contacted with a cleavage catalyst comprising an aluminosilicate zeolite of the FAU type having a unit cell size less than 24.50 Å under cleavage conditions effective to convert at least part of the cyclohexylbenzene hydroperoxide into phenol and cyclohexanone. | 02-12-2015 |
| 20150038753 | Olefin Oligomerization Process - The invention provides an olefin oligomerization process comprising the steps of: i) reducing the level of nitriles in an olefin feed by contacting the feed with a guard bed comprising gamma alumina having a surface area greater than 250 m | 02-05-2015 |
| 20150038747 | Process for Producing Phenol - In a process for producing phenol, cyclohexylbenzene is oxidized to form a first reaction product comprising cyclohexylbenzene hydroperoxide and at least a portion of the cyclohexylbenzene hydroperoxide is then cleaved to form a second reaction product comprising phenol and cyclohexanone. At least one of the first and second reaction products comprises cyclohexenone, which is hydrogenated to produce further cyclohexanone. | 02-05-2015 |
| 20150038624 | Oxygen Tailoring of Polyethylene - Processes are disclosed for oxygen-tailoring polyethylene, particularly polyethylenes suitable for wire and cable applications. One process includes conveying a first polyethylene having a melt index ≦5.0 and an MWD ≦5.0 through mixing or extrusion apparatus having a feed zone, a melt-mixing zone downstream of the feed zone, and a melt zone downstream of the melt-mixing zone, wherein the temperature of the first polyethylene in the melt zone ranges from about 180° C. to about 300° C.; and contacting the first polyethylene with an amount of an oxygen-containing gas having at least about 20.0 parts by weight oxygen per million per parts by weight of the first polyethylene (ppm (wt) O | 02-05-2015 |
| 20140378635 | Salenol Catalyst - Catalysts comprising salenol ligands are disclosed herein. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes. | 12-25-2014 |
| 20140378634 | Thio-Salalen Catalyst - Catalysts comprising thio-salalen ligands. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes. | 12-25-2014 |
| 20140343335 | System and Method for Reducing Fouling Rate In A Hydrogenation Reactor - Fouling rate inhibition for a hydrogenation reactor. A hydrocarbon hydrogenation method comprises passing a liquid feedstream through a magnetic field to separate magnetically susceptible particles, and introducing the magnetically lean stream into a fixed catalyst bed under hydrogenation conditions to saturate carbon-carbon double bonds in the hydrocarbon. Also, a hydrogenation reactor system comprises a magnetic conditioning zone, an inlet flow path to introduce a magnetically lean stream from the magnetic conditioning zone into a fixed catalyst bed and an outlet flow path from an outlet end of the catalyst bed to withdraw reactor effluent. | 11-20-2014 |
| 20140330044 | Process for Producing Phenol - In a process for producing phenol, cyclohexylbenzene hydroperoxide is cleaved to produce a cleavage effluent stream comprising phenol and cyclohexanone and at least a portion of the cleavage effluent stream is fractionated to produce a first fraction richer in cyclohexanone than the cleavage effluent stream portion and a second fraction richer in phenol and depleted in cyclohexanone as compared with said cleavage effluent stream portion. At least a portion of the second fraction is then contacted with a dehydrogenation catalyst in a dehydrogenation reaction zone under dehydrogenation conditions effective to convert at least a portion of the cyclohexanone in said second fraction portion into phenol and cyclohexanol. | 11-06-2014 |
| 20140323782 | Dehydrogenation Process - Disclosed herein is a process for dehydrogenating a saturated cyclic hydrocarbon and/or 5-membered ring compound with a dehydrogenation catalyst. The dehydrogenation catalyst comprises: (i) 0.05 wt % to 5 wt % of a metal selected from Group 14 of the Periodic Table of Elements; and (ii) 0.1 wt % to 10 wt % of a metal selected from Groups 6 to 10 of the Periodic Table of Elements. The process is conducted under dehydrogenation conditions effective to dehydrogenate at least a portion saturated cyclic hydrocarbon and/or 5-membered ring compound. | 10-30-2014 |
| 20140323665 | Polyalphaolefins by Oligomerization and Isomerization - A feedstock of one or more C | 10-30-2014 |
| 20140316166 | Production of Cyclohexylbenzene Hydroperoxide - In a process for producing cyclohexylbenzene hydroperoxide, cyclohexylbenzene is contacted with oxygen to produce a reaction product comprising cyclohexylbenzene hydroperoxide and unreacted cyclohexylbenzene. The reaction product is then maintained under conditions such that crystals of cyclohexylbenzene hydroperoxide form and separate from the reaction product. The cyclohexylbenzene hydroperoxide crystals are then recovered from the reaction product. | 10-23-2014 |
| 20140316098 | Process for Producing Phenol - In a process for producing phenol, a composition comprising an alkylaromatic compound is contacted with an oxygen-containing stream in the presence of an oxidation catalyst comprising a cyclic imide under oxidation conditions effective to oxidize 15 wt % or less of the alkylaromatic compound based upon the total weight of the composition and produce an oxidation product comprising unreacted alkylaromatic compound and alkylaromatic hydroperoxide in a molar ratio of 6:1 to 100:1. Thereafter, at least a portion of the oxidation product is contacted with an acidic molecular sieve catalyst under cleavage conditions effective to convert at least a portion of the alkylaromatic hydroperoxide into phenol and cyclohexanone. | 10-23-2014 |
| 20140303416 | Method and Apparatus for Converting Hydrocarbons Into Olefins - An apparatus and method are provided for processing hydrocarbon feeds. The method may pass a pyrolysis feed to a thermal pyrolysis reactor and expose at least a portion of the pyrolysis feed to high-severity operating conditions in a thermal pyrolysis reactor, wherein the thermal pyrolysis reactor is operated at operating conditions that include pressure≧36 psig and provide a reactor product that has a C | 10-09-2014 |
| 20140303339 | "Method and Apparatus for Converting Hydrocarbons Into Olefins" - An apparatus and method are provided for processing hydrocarbon feeds. The method enhances the conversion of hydrocarbon feeds into conversion products, such as ethylene and propylene. In particular, the present techniques utilize a high-severity reactor integrated with another reactor type to convert hydrocarbons to other petrochemical products. | 10-09-2014 |
| 20140296604 | Method and Apparatus For Managing Hydrate Formation In The Processing Of A Hydrocarbon Stream - A method and system are disclosed for managing hydrate formation in a process that converts a hydrocarbon stream into C | 10-02-2014 |
| 20140296581 | Process for Producing Phenol - In a process for producing phenol, cyclohexylbenzene is contacted with oxygen in the presence of an oxidation catalyst comprising a cyclic imide under oxidation conditions effective to produce a product comprising cyclohexylbenzene hydroperoxide and unreacted cyclic imide catalyst. At least a portion of the product is contacted with a cleavage catalyst under conditions effective to convert at least a portion of the cyclohexylbenzene hydroperoxide into a second product comprising further unreacted cyclic imide catalyst, phenol, and cyclohexanone. A portion of the further unreacted cyclic imide catalyst may then be removed from the second product and optionally recycled back to the oxidation step. | 10-02-2014 |
| 20140275454 | Diphenylamine salan catalyst - Catalysts comprising Salan ligands with bridged or unbridged diphenyl amine moieties. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes. | 09-18-2014 |
| 20140221716 | Olefin Oligomerization Process - The present invention provides an olefin oligomerization process comprising the steps of: i) reducing the level of acetonitrile in an olefin feed by contacting the feed with a non-zeolitic metal oxide; and ii) contacting the olefin feed with reduced level of acetonitrile with an olefin oligomerization catalyst under conditions suitable to oligomerize the olefin. | 08-07-2014 |
| 20140208619 | Footwear Sole Comprising a Propylene-Based Elastomer, Footwear Comprising Said Sole, and Methods of Making Them - Disclosed are footwear soles comprising a propylene-based elastomer. The presence of the propylene-based elastomer provides the footwear sole with a well-balanced combination of desired properties, including low density, low compression set, and weldability. | 07-31-2014 |
| 20140187821 | Process for Producing Cycloalkylaromatic Compounds - In a process for producing a cycloalkylaromatic compound, an aromatic compound and a cyclic olefin are contacted with a first catalyst under conditions effective to produce a reaction product comprising the cycloalkylaromatic compound and at least one non-fused bicyclic by-product. The at least one non-fused bicyclic by-product is then contacted with a second catalyst under conditions effective to convert at least a portion of the at least one non-fused bicyclic by-product to a converted by-product. | 07-03-2014 |
| 20140166176 | Contoured Tire Innerliners and Methods of Making Thereof - This disclosure is directed to a tire innerliner comprising a dynamically vulcanized alloy of an elastomer and an engineering resin; wherein the innerliner is contoured. The disclosure further relates to methods of making such innerliners and tires made from such innerliners. | 06-19-2014 |
| 20140155854 | POLYPROPYLENE FIBERS AND FABRICS - This invention relates to polypropylene fibers and fabrics containing polypropylene fibers, the fibers comprising propylene polymers comprising at least 50 mol % propylene, said polymers having: a) a melt flow rate (MFR, ASTM 1238, 230° C., 2.16 kg) of about 10 dg/min to about 25 dg/min; b) a dimensionless Stress Ratio/Loss Tangent Index R | 06-05-2014 |
| 20140155513 | Methods of Forming Compositions and Articles - A method for forming a composition comprising a propylene-based polymer and a co-agent is provided. The method comprises introducing a propylene-based polymer to an extruder and introducing the co-agent to the extruder at a position within the extruder where the temperature is from 23° C. to 125° C. | 06-05-2014 |
| 20140150947 | Dynamically Vulcanized Thermoplastic Elastomer Laminates - Disclosed herein is a process to produce a laminate comprises coating at least an outer surface of a dynamically vulcanized alloy film with an adhesive composition to produce the laminate, wherein the adhesive layer has a thickness of less than or equal to about 5 microns, wherein the dynamically vulcanized alloy film comprises a thermoplastic elastomer composition containing a thermoplastic resin as a continuous phase, and a rubber composition dispersed therein, as a dispersed phase. A laminate and a pneumatic tire comprising the laminate are also disclosed. | 06-05-2014 |
| 20140148625 | Processes Utilizing Solvent Extraction - Embodiments of an invention disclosed herein relate to processes utilizing solvent extraction to remove nitrogen containing compounds and optionally other components from feedstreams of olefins and paraffins. | 05-29-2014 |
| 20140148620 | Process for Producing Phenol - In a process for the dehydrogenation of cyclohexanone to produce phenol, cyclohexanone is contacted in a reaction zone under dehydrogenation conditions with a dehydrogenation catalyst comprising (i) a support comprising silica; and (ii) a dehydrogenation component comprising at least one metal selected from Group 10 of Periodic Table of Elements. Contact of the dehydrogenation catalyst with the cyclohexanone is then terminated and the dehydrogenation catalyst is contacted with an inert gas and/or hydrogen at a temperature of at least 300° C. Contact of the dehydrogenation catalyst with additional cyclohexanone is subsequently reestablished. | 05-29-2014 |
| 20140148569 | Oxidation Of Cyclohexylbenzene - In a process for oxidizing a feed comprising cyclohexylbenzene, the feed is contacted with oxygen and an oxidation catalyst in a plurality of reaction zones connected in series, the contacting being conducted under conditions being effective to oxidize part of the cyclohexylbenzene in the feed to cyclohexylbenzene hydroperoxide in each reaction zone. At least one of the plurality of reaction zones has a reaction condition that is different from another of the plurality of reaction zones. The different reaction conditions may include one or more of (a) a progressively decreasing temperature and (b) a progressively increasing oxidation catalyst concentration as the feed flows from one reaction zone to subsequent reaction zones in the series. | 05-29-2014 |
| 20140147646 | Polymeric Films and Methods to Manufacture The Same - In one aspect, the disclosure relates to multilayer polymeric films comprising: at least one layer A, and at least one layer B; wherein at least one of layers A and B further comprises at least one copolymer of propylene derived units and one or more C | 05-29-2014 |
| 20140144573 | Silane-Functionalized Hydrocarbon Polymer Modifiers For Elastomeric Compositions - An elastomeric composition and method incorporating a hydrocarbon polymer modifier with improved permanence. The composition comprises elastomer, filler and silane-functionalized hydrocarbon polymer modifier (Si-HPM) adapted to couple the Si-HPM to the elastomer, filler or both, wherein the Si-HPM comprises an interpolymer of monomers chosen from piperylenes, cyclic pentadienes, aromatics, limonenes, pinenes, amylenes, and combinations thereof. The method comprises melt processing a mixture to form the elastomeric composition in the shape of an article, wherein the mixture comprises elastomer, Si-HPM, silica, bifunctional organosilane crosslinking agent; and curing the elastomeric composition to form the article. Also disclosed are a silylated hydrocarbon polymer modifier coupled with a bifunctional organosilane crosslinking agent, and a silica-coupled hydrocarbon polymer modifier coupled to the silica via the bifunctional organosilane crosslinking agent. | 05-29-2014 |
| 20140128557 | Supported Salan Catalysts - Supported Salan catalysts, a process comprising contacting one or more olefins with a catalyst system comprising an activator and a Salan catalyst disposed on a support, and polymers produced by the process. | 05-08-2014 |
| 20140066663 | Dehydrogenation Catalyst and Process - A catalyst composition comprises (i) a support; (ii) a dehydrogenation component comprising at least one metal or compound thereof selected from Groups 6 to 10 of the Periodic Table of Elements; and (iii) tin or a tin compound, wherein the tin is present in an amount of 0.01 wt % to about 0.25 wt %, the wt % based upon the total weight of the catalyst composition. | 03-06-2014 |
| 20140041781 | THERMOPLASTIC ELASTOMER COMPOSITION - In order to improve fatigue durability of a thermoplastic elastomer composition composed of a matrix phase of a thermoplastic resin and dispersed phases of a rubber, the thermoplastic elastomer composition comprises (A) 100 parts by weight of a halogenated poly(isoolefin-co-p-alkylstyrene) rubber, (B) 40 to 120 parts by weight of a polyamide resin, and (C) 0.5 to 10 parts by weight of an amine having at least one hydroxyl group. The amine (C) having at least one hydroxyl group is preferably a compound represented by formula (1): | 02-13-2014 |
| 20140024868 | Synthesis and Use of M41S Family Molecular Sieves - A process is described for producing an M41S family molecular sieve. The process comprises preparing a synthesis mixture capable of forming said molecular sieve in a reactor, which is equipped with a mixer having a Froude number of at least 1, said synthesis mixture having a solids content of at least 20 wt %. The synthesis mixture is heated in the reactor while agitating the mixture with said mixer to form a product mixture comprising water and crystals of said molecular sieve material. Thereafter at least part of the water is removed from the product mixture in the reactor so as to decrease the water content of the product mixture inside the reactor by at least 5 wt %. | 01-23-2014 |
| 20130317272 | Manganese Oxides and Their Use in the Oxidation of Alkanes - Catalytic structures are provided comprising octahedral tunnel lattice manganese oxides ion-exchanged with metal cations or mixtures thereof. The structures are useful as catalysts for the oxidation of alkanes and may be prepared by treating layered manganese oxide under highly acidic conditions, optionally drying the treated product, and subjecting it to ion exchange. | 11-28-2013 |
| 20130310601 | Hydrocarbon Conversion Process - The invention relates to processes for converting hydrocarbons to phthalic acids such as terephthalic acid. The invention also relates to polymerizing phthalic acid derivatives to produce, e.g., synthetic fibers. | 11-21-2013 |
| 20130296620 | Hydrocarbon Conversion Process - The invention relates to processes for converting a mixture of hydrocarbon and oxygenate into products containing acetylene and carbon monoxide. The invention also relates to utilizing at least a portion of the acetylene and carbon monoxide for producing xylenes such as p-xylene, utilizing at least a portion of xylenes for producing polymeric fibers, and to equipment useful for these processes. | 11-07-2013 |
| 20130296614 | Dehydrogenation Processes and Phenol Compositions - Described herein is a process for producing phenol in which (a) benzene and hydrogen are contacted with a hydroalkylation catalyst under hydroalkylation conditions to produce cyclohexylbenzene; (b) the cyclohexylbenzene is contacted with an oxidation catalyst under oxidation conditions to produce cyclohexylbenzene hydroperoxide; (c) the cyclohexylbenzene hydroperoxide is contacted with a cleavage catalyst under cleavage conditions to produce a cleavage effluent comprising phenol and cyclohexanone; (d) the cyclohexanone is contacted with a dehydrogenation catalyst under dehydrogenation conditions to produce a dehydrogenation effluent having at least a portion of the cyclohexanone and a first contaminant; and (e) the first contaminant is contacted with an acidic material under contaminant treatment conditions to convert at least a portion of the first contaminant into a converted first contaminant. Phenol compositions made from the above-described process are also described herein. | 11-07-2013 |
| 20130296506 | Copolymer Production System and Process - In a process for making a copolymer, a first product stream comprising a semi-crystalline polymer and a chain terminating agent is produced in a first reactor system. The first product is provided to a second reactor system wherein a low crystallinity polymer is produced in the presence of the semi-crystalline polymer. At least a portion of the chain terminating agent is removed from the second reactor system by an in-situ process. | 11-07-2013 |
| 20130281641 | Blocky Ethylene Propylene Copolymers and Methods for Making Them - Copolymers comprising ethylene and propylene and methods for producing such polymers are provided. The polymers are blocky copolymers having semicrystalline ethylene sequences and amorphous or low crystallinity propylene sequences. The polymers are preferably prepared using metallocene-based catalyst systems but without the use of a chain shuttling agent. The polymers may have higher melting temperatures than previously known random copolymers or blocky copolymers prepared with chain shuttling agents having similar comonomer contents. The polymers include both ethylene-rich and propylene-rich copolymers. | 10-24-2013 |
| 20130281340 | Lubricant Compositions Comprising Ethylene Propylene Copolymers and Methods for Making Them - Lubricant compositions, as well as processes for their formulation, are provided. The lubricant compositions comprise an oil basestock and one or more blocky ethylene propylene copolymers. The copolymers are preferably prepared using metallocene catalyst systems but without using a chain shuttling agent. | 10-24-2013 |
| 20130274532 | Liquid Phase Isomerization Process - Liquid phase isomerization technology is employed in a manner to increase efficiency and reduce energy in paraxylene recovery. | 10-17-2013 |
| 20130267748 | Catalyst Regeneration Process - This disclosure relates to a process for regenerating a catalyst composition to improve the aging rate in subsequent cycles. | 10-10-2013 |
| 20130266786 | Polymers, Polymer Blends, and Articles Made Therefrom - Polymer compositions including an ethylene-based polymer having a melt index of from about 0.1 g/10 min to about 5.0 g/10 min; a melt index ratio of from about 15 to about 30; a weight average molecular weight (Mw) of from about 20,000 to about 200,000; a molecular weight distribution (Mw/Mn) of from about 2.0 to about 4.5; and a density of from 0.900 to 0.920 g/cm | 10-10-2013 |
| 20130264774 | Flange Joint and Method for Preventing a Fluid from Leaking Out Through a Flange Joint - A method comprising forming a partial barrier in an outer part of a flange joint, applying a sealant to the outside of the flange joint, and supplying a safe sealing fluid to an inner part of the flange joint, prevents a process fluid from leaking out through a flange joint, advantageously without having to dismantle the flange joint. | 10-10-2013 |
| 20130253246 | Selecting an Improved Catalyst Composition and Hydrocarbon Conversion Process Using Same - The present invention provides a method for selecting an improved catalyst composition comprising a crystalline molecular sieve material having a structure and properties whereby the catalyst composition has at least one active catalytic site with a Mono Alkylation Selectivity Factor (MASF) greater than or equal to 0 kcal/mol±0.5 kcal/mol, and optionally further at least one active catalytic site with an Olefin Oligomerization Suppression Factor (OOSF) greater than or equal to 5 kcal/mol±0.5 kcal/mol. Further, there is provided an improved process for conversion of hydrocarbon feedstock in the presence of said selected catalyst composition. | 09-26-2013 |
| 20130251608 | Reactor Components - The present disclosure relates to insulation components and their use, e.g., in regenerative reactors. Specifically, a process and apparatus for managing temperatures from oxidation and pyrolysis reactions in a reactor, e.g., a thermally regeneratating reactor, such as a regenerative, reverse-flow reactor is described in relation to the various reactor components. | 09-26-2013 |
| 20130231506 | Phenol and Cyclohexanone Mixtures - Disclosed herein is a process for producing phenol. The process includes oxidizing at least a portion of a feed comprising cyclohexylbenzene to produce an oxidation composition comprising cyclohexyl-1-phenyl-1-hydroperoxide. The oxidation composition may then be cleaved in the presence of an acid catalyst to produce a cleavage reaction mixture comprising the acid catalyst, phenol and cyclohexanone. At least a portion of the cleavage reaction mixture may be neutralized with a basic material to form a treated cleavage reaction mixture. In various embodiments, the cleavage reaction mixture contains 1 wt % to 30 wt % phenol, 1 wt % to 30 wt % cyclohexanone and a complexation product. | 09-05-2013 |
| 20130231238 | Stabilized Ceramic Composition, Apparatus and Methods of Using the Same - In one aspect, the invention includes a refractory material, said material comprising: (i) at least 20 wt. % of a first grain mode stabilized zirconia based upon the total weight of said material, said first grain mode having a D50 grain size in the range of from 5 to 2000 μm, said stabilized zirconia including a matrix oxide stabilizer; (ii) at least 1 wt. % of a second grain mode having a D50 grain size in the range of from 0.01 μm up to not greater than one-fourth the D50 grain size of said first grain mode zirconia, based upon the total weight of said material; and (iii) at least 1 wt. % of a preservative component within at least one of said first grain mode stabilized zirconia, said second grain mode stabilized zirconia, and an optional another grain mode; wherein after sintering, said material has porosity at 20° C. in the range of from 5 to 45 vol %. | 09-05-2013 |
| 20130225891 | Bimetallic Catalyst and Use in Xylene Production - The invention is directed to a bimetallic catalyst system adapted for the manufacture of xylenes, a process for making said catalyst system, and to the process of manufacture of xylenes using said catalyst system, providing, in embodiments, improved selectivity by at least one of higher ethylene saturation and low xylene loss, decreased susceptibility to poisoning from feedstream impurities, and ability to operate at less severe conditions. | 08-29-2013 |
| 20130225867 | Phenol and Cyclohexanone Mixtures - In a process for producing phenol and cyclohexanone, a feed comprising cyclohexylbenzene is oxidized to produce an oxidation reaction product comprising cyclohexyl-1-phenyl-1-hydroperoxide. At least a portion of the oxidation reaction product is then cleaved to produce a cleavage reaction product comprising phenol, cyclohexanone, and at least one contaminant. At least a portion of the cleavage reaction product is contacted with an acidic material to convert at least a portion of the at least one contaminant to a converted contaminant and thereby produce a modified reaction product. The cleavage reaction product may comprise 1 wt %-30 wt % phenol; 1 wt %-30 wt % cyclohexanone; and 0.1 wt % to 10 wt % of at least one of water, bicyclohexane, cyclohexenylbenzene, methylcyclopentanone, 1-phenylhexan-1-one, cyclohexyldione, cyclohexanol, cyclohexenone, hydroxycyclohexanone, benzoic acid, phenyl cyclohexanol, hexanal and 1-phenyl-6-hydroxyhexan-1-one, wherein the wt % s are based upon the total weight of the mixture. | 08-29-2013 |
| 20130225851 | Plasticizer - The liquid volume resistivity of plasticiser esters is improved by purifying the ester with an adsorbent having a pH in the range 6 to 11. It is preferable to use a mixture of a filtration aid and an adsorbent. A plasticiser having a desirable combination of high liquid volume resistivity, low amount of light ends and low carbonyl number is obtained. | 08-29-2013 |
| 20130217936 | Method of Making Catalyst, Catalyst Made Thereby and Use Thereof - The invention concerns a method of making a catalyst adapted for isomerization of xylenes. | 08-22-2013 |
| 20130217921 | "PROCESSES FOR PRODUCING PHENOL" - In a process for producing phenol and cyclohexanone, a feed comprising cyclohexylbenzene is oxidized to produce an oxidation reaction product comprising cyclohexyl-1-phenyl-1-hydroperoxide. At least a portion of the oxidation reaction product is then cleaved to produce a cleavage reaction product comprising phenol, cyclohexanone, and at least one contaminant. At least a portion of the cleavage reaction product is contacted with an acidic material to convert at least a portion of the at least one contaminant to a converted contaminant and thereby produce a modified reaction product. | 08-22-2013 |
| 20130211165 | Hydrocarbon Pyrolysis Method - Disclosed is a pyrolysis reaction process. The process can be advantageously accomplished using a pyrolysis reactor that has a primary reaction zone comprised of bed packing having multiple passages through the bed packing and a secondary reaction zone having an open flow arrangement. The process includes a step of injecting a pyrolysis feed comprising a first hydrocarbon into the primary reaction zone to produce a primary pyrolysis product containing unsaturated hydrocarbon. A reactive feed comprising a second hydrocarbon is injected into the secondary reaction zone to mix with the primary pyrolysis product and produce a secondary pyrolysis product. | 08-15-2013 |
| 20130211157 | Cyclohexylbenzene Compositions - In a process for producing phenol and cyclohexanone, a feed comprising cyclohexylbenzene is oxidized to produce an oxidation reaction product comprising cyclohexyl-1-phenyl-1-hydroperoxide. At least a portion of the oxidation reaction product is then cleaved to produce a cleavage reaction product comprising phenol, cyclohexanone, and at least one contaminant At least a portion of the cleavage reaction product is contacted with an acidic material to convert at least a portion of the at least one contaminant to a converted contaminant and thereby produce a modified reaction product. The composition comprising cyclohexylbenzene may have at least 10 wt % of cyclohexylbenzene; 1 wppm to 1 wt % of bicyclohexane; 1 wppm to 1 wt % of biphenyl; and 1 wppm to 2 wt % of methylcyclopentylbenzene, wherein the wt % s and wppms are based upon total weight of the composition. | 08-15-2013 |
| 20130210984 | Secondary Alcohols and Esters Made Therefrom - The invention relates to secondary alcohols produced by contacting an olefin and a carboxylic acid with a zeolite, esters made therefrom, and to plasticizer compositions comprising the esters. | 08-15-2013 |
| 20130204060 | Regeneration of Oligomerisation Catalysts and Their Use - Deactivation of a zeolite catalyst during its use to catalyse the oligomerisation of olefins, is often believed to be a result of the formation of high boiling polymers as by-products. These by-products can remain on the catalyst and undergo further conversion to higher molecular weight polymers, which resemble heavy tars and in some cases even have the appearance of coke-like material. These materials can coat the catalyst particles and plug pores in the catalyst, thereby causing catalyst deactivation. The invention relates to an improved method for regenerating such a catalyst. | 08-08-2013 |
| 20130204048 | Dehydrogenation Process - In a process for the dehydrogenation of at least one dehydrogenatable hydrocarbon, at least one dehydrogenatable hydrocarbon selected from an oxygen-containing six-membered carbon ring compound is supplied to a first dehydrogenation reaction zone together with at least one stabilizing compound selected from a non-oxygen-containing six membered carbon ring compound to the first dehydrogenation reaction zone, such that the weight ratio of the stabilizing compound to the dehydrogenatable hydrocarbon supplied to the first dehydrogenation reaction zone is in the range of from 1:200 to 200:1. The dehydrogenation feed stream and the at least one stabilizing compound are contacted with a first dehydrogenation catalyst in the first dehydrogenation reaction zone under dehydrogenation conditions to convert at least a portion of the dehydrogenatable hydrocarbon into an unsaturated six-membered carbon ring compound and hydrogen. | 08-08-2013 |
| 20130203640 | POLYMER COMPOSITIONS HAVING IMPROVED PROPERTIES AS VISCOSITY INDEX IMPROVERS AND USE THEREOF IN LUBRICATING OILS - Polymer compositions for use as viscosity modifiers comprising at least two ethylene-based copolymer components are provided. The polymer composition comprises (a) a first ethylene-α-olefin copolymer and (b) a second ethylene-α-olefin copolymer. The first ethylene-α-olefin copolymer (a) has an ethylene content from about 60 to about 80 wt % and the second ethylene-α-olefin copolymer (b) has an ethylene content of less than about 60 wt %. The first ethylene-α-olefin copolymer (a) has a Melt Flow Rate Ratio (MFRR), defined as the ratio of the MFR measured at 230° C./21.6 kg and at 230° C./2.16 kg, of greater than 30 and optionally also has a Melt Flow Rate (MFR) of at least about 1.5 g/10 min, measured by ASTM D 1238 condition L (230° C./2.16 kg). The present disclosure is also directed to lubricant compositions comprising a lubricating basestock and a polymer composition of the present disclosure and is further directed to reducing gelation in the lubricant compositions. | 08-08-2013 |
| 20130197180 | Enhanced Catalyst Performance for Production of Vinyl Terminated Propylene and Ethylene/Propylene Macromers - This invention relates to a transition metal catalyst compound represented by the structure: | 08-01-2013 |
| 20130184411 | High Strength Presulfied Catalyst for Hydrogenating Hydrocarbon Resins - High strength presulfided catalyst for hydrogenating hydrocarbon resins without an in situ sulfiding step. The catalyst particles have a supported metal catalyst structure with presulfided interstitial surfaces with about 20 weight percent of a low molecular weight hydrocarbon resin, based on the weight of the porous supported metal catalyst structure, filling from 90 to 95 percent of the pore volume to improve a crush strength of the catalyst particles. The presulfided catalyst can be stored and/or shipped in an airtight container with an inert atmosphere. The catalyst particles are made by preparing the oxidized catalyst, presulfiding the catalyst, contacting the catalyst with the low molecular weight hydrocarbon resin in an inert atmosphere, sealing the catalyst in a storage/shipping container, loading the reactor with the presulfided, filled catalyst, and contacting the catalyst with an unsaturated hydrocarbon resin under hydrogenation conditions. | 07-18-2013 |
| 20130172514 | "PROCESS FOR PRODUCING CYCLOALKYLAROMATIC COMPOUNDS" - In a process for producing a cycloalkylaromatic compound, an aromatic compound, hydrogen and at least one diluent are supplied to a hydroalkylation reaction zone, such that the weight ratio of the diluent to the aromatic compound supplied to the hydroalkylation reaction zone is at least 1:100. The aromatic compound, hydrogen and the at least one diluent are then contacted under hydroalkylation conditions with a hydroalkylation catalyst in the hydroalkylation reaction zone to produce an effluent comprising a cycloalkylaromatic compound. | 07-04-2013 |
| 20130157840 | Molecular Sieve Composition From Pre-Formed Extrudates and Process of Use - This disclosure provides a molecular sieve composition having a first and second crystalline molecular sieve, made by the method comprising: (a) providing a reaction mixture comprising at least one source of ions of tetravalent element Y, at least one source of alkali metal hydroxide, water, optionally at least one seed crystal, and optionally at least one source of ions of trivalent element X, the reaction mixture having the following molar composition: | 06-20-2013 |
| 20130156656 | Integrated Process For Steam Cracking - This invention relates to a process and system for cracking hydrocarbon feedstock containing vacuum resid comprising: (a) subjecting a vacuum resid to a first thermal conversion in a thermal conversion reactor (such as delayed coker, fluid coker, Flexicoker™, visbreaker and catalytic hydrovisbreaker) where at least 30 wt % of the vacuum resid is converted to material boiling below 1050° F. (566° C.); (b) introducing said thermally converted resid to a vapor/liquid separator, said separator being integrated into a steam cracking furnace, to form a vapor phase and liquid phase; (c) passing said vapor phase to the radiant furnace in said steam cracking furnace; and (d) recovering at least 30 wt % olefins from the material exiting the radiant furnace (based upon the weight of the total hydrocarbon material exiting the radiant furnace). | 06-20-2013 |
| 20130150644 | Reactor Components - The present disclosure relates to reactor components and their use, e.g., in regenerative reactors. A process and apparatus for utilizing different wetted areas along the flow path of a fluid in a pyrolysis reactor, e.g., a thermally regenerating reactor, such as a regenerative, reverse-flow reactor, is described. | 06-13-2013 |
| 20130150541 | Vinyl Terminated Higher Olefin Copolymers and Methods to Produce Thereof - This invention relates to a vinyl terminated higher olefin copolymer having an Mn of 300 g/mol or more (measured by | 06-13-2013 |
| 20130149478 | Powder, Compositions Thereof, Processes for Making the Same, and Articles Made Therefrom - Provided herein is a powder comprising at least one of: (a) a propylene-based elastomer comprising, based on the total weight of said propylene-based elastomer, (i) at least about 60 wt % of propylene-derived units, (ii) about 5 wt % to about 35 wt % of units derived from at least one of ethylene and a C | 06-13-2013 |
| 20130144101 | Process for Producing Para-Xylene - A process for producing a PX-rich product, the process comprising: (a) providing a PX-depleted stream; (b) isomerizing at least a portion of the PX-depleted stream to produce an isomerized stream having a PX concentration greater than the PX-depleted stream and a benzene concentration of less than 1,000 ppm and a C | 06-06-2013 |
| 20130144097 | Aromatics Production Process and Apparatus - In a process for producing para-xylene, a naphtha feed is reformed under conditions effective to convert at least 50 wt % of the naphthenes in the naphtha feed to aromatics, but to convert no more than 25 wt % of the paraffins in the naphtha feed, and thereby produce a reforming effluent. A first stream containing benzene and/or toluene is removed from the reforming effluent and is fed to a xylene production unit under conditions effective to convert benzene and/or toluene to xylenes. In addition, a second stream containing C8 aromatics is removed from the reforming effluent and is fed, together with at least part of the xylenes produced in the xylene production unit, to a para-xylene recovery unit to recover a para-xylene product stream and leave a para-xylene-depleted C8 stream. At least part of para-xylene-depleted C8 stream is then fed to a xylene isomerization unit effective to isomerize xylenes in para-xylene-depleted stream back towards an equilibrium mixture of xylenes and thereby produce an isomerization effluent. The isomerization effluent is then recycled to the para-xylene extraction unit. | 06-06-2013 |
| 20130137830 | Functionalized High Vinyl Terminated Propylene Based Oligomers - This invention relates to a functionalized co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94 (mole % ethylene incorporated)+100), when 10 to 60 mole % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mole % ethylene is present in the co-oligomer, and 3) X=(1.83*(mole % ethylene incorporated)−83), when 70 to 90 mole % ethylene is present in the co-oligomer. This invention also relates to a functionalized homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. This invention also relates to a process of making functionalized homo- or co-oligomer, comprising propylene, wherein the productivity is greater than 4500 g/mmol Hf (or Zr)/hour. | 05-30-2013 |
| 20130131410 | Process for Producing Novel Synthetic Basestocks - This disclosure relates to a liquid syndiotactic polyalphaolefin, sPAO, comprising one or more C | 05-23-2013 |
| 20130131256 | Polymeric Compositions Useful as Rheology Modifiers and Methods for Making Such Compositions - Disclosed are rheology modifiers comprising compositionally disperse polymeric compositions and/or crystallinity disperse polymeric compositions that may be useful in modifying the rheological properties of lubrication fluids, and methods for making such compositions. The compositionally disperse polymeric composition are formed from at least two discrete compositions of ethylene copolymers. The crystallinity disperse polymeric composition are formed from ethylene copolymers having at least two discrete values of residual crystallinity. | 05-23-2013 |
| 20130130027 | Adhesive Composition - A composition comprising a hot melt pressure-sensitive adhesive comprising a propylene-based polymer component having a melting point less than or equal to about 130° C. and a triad tacticity greater than about 75%, and free of or having a low block copolymer content. Also, an adhesive article comprising the composition. | 05-23-2013 |
| 20130116494 | Hydrocarbon Pyrolysis Process - Disclosed is a pyrolysis process that is capable of being with reduced coke and/or tar formation. The process can pyrolyze hydrocarbon feed that contains low- to mid-range levels of non-volatiles. Pyrolysis is carried out with a predetermined amount of the feed being in the liquid phase so as to minimize coke and/or tar formation in the pyrolysis reactor. The pyrolysis feed may also include a diluent, such as molecular hydrogen, that further acts to minimize coke and/or tar formation in the pyrolysis reactor. The amount of diluent in the pyrolysis feed can be adjusted to adjust or control dry point of the hydrocarbon in the pyrolysis feed. | 05-09-2013 |
| 20130112281 | High-Pressure Valve - Disclosed in one aspect is a valve comprising (a) a valve body having a poppet valve chamber with an axis running there through; (b) a seat having a seat sealing surface, and a outer-seat surface, the seat located axially within the poppet valve chamber; and (c) a poppet having a poppet sealing surface, the poppet being located axially within the poppet valve chamber; wherein a poppet-seat interface is created between at least a portion of the seat sealing surface and at least a portion of the poppet sealing surface, the poppet-seat interface being at an angle β of from 20 to 90° to the axis. In one embodiment the seat is removable, allowing the geometry of at least the poppet head surface and/or the seat inside surface, which defines a fluid flow-path cross-section, to be tailored. | 05-09-2013 |
| 20130102732 | Elastic Film Compositions with Improved Tear Resistance - A film composition comprising one or more propylene-based polymers and one or more hydrocarbon resins, and methods for making the same are provided. The propylene-based polymer may have (i) 60 wt % or more units derived from propylene, (ii) isotactically arranged propylene derived sequences, and (iii) a heat of fusion less than 65 J/g. The hydrocarbon resin may have a glass transition temperature greater than 20° C. | 04-25-2013 |
| 20130090278 | HIGH EFFICIENCY ENGINE OIL COMPOSITIONS - This invention is directed to passenger car engine oil compositions comprising in admixture | 04-11-2013 |
| 20130090277 | LUBRICATING COMPOSITIONS - This invention is directed to lubricating compositions comprising a first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt and obtained by a process comprising: (a) contacting a catalyst, an activator, and a monomer in a first reactor to obtain a first reactor effluent, the effluent comprising a dimer product, a trimer product, and optionally a higher oligomer product, (b) feeding at least a portion of the dimer product to a second reactor, (c) contacting said dimer product with a second catalyst, a second activator, and optionally a second monomer in the second reactor, (d) obtaining a second reactor effluent, the effluent comprising at least a trimer product, and (e) hydrogenating at least the trimer product of the second reactor effluent. | 04-11-2013 |
| 20130090273 | LOW VISCOSITY ENGINE OIL COMPOSITIONS - This invention is directed to ultra-low viscosity passenger car engine oil compositions with a kinematic viscosity at 100° C. of from 4 to 6 cSt, and comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; and 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; wherein the composition comprises from 0 wt % to less than 0.25 wt % viscosity index improver, on a solid polymer basis. | 04-11-2013 |
| 20130087263 | CONSTRUCTION COMPRISING TIE LAYER - A layered structure suitable for use in a pneumatic tire as an innerliner is prepared by directly bonding a fluid permeation prevention film and an adhesive tie layer. Prior to the bonding, the fluid permeation prevention layer is treated to remove any residual plasticizers or oils on the surface of the film. The tie layer comprises 100 weight % of at least one halogenated isobutylene containing elastomer and about 1 to about 20 parts per hundred (phr) of at least one tackifier. The fluid permeation prevention film comprises an elastomeric component dispersed in a vulcanized or partially vulcanized state, as a discontinuous phase, in a matrix of the thermoplastic resin component. The two layers of the layered structure may be separately extruded and then adhered to each other or adhered to each other during a calendaring operation wherein the adhesive tie layer composition is coated onto the treated film. | 04-11-2013 |
| 20130085232 | Dynamic Modulation of Metallocene Catalysts - This invention relates to a process to alter comonomer distribution in a copolymer (as compared to a copolymer made absent the Lewis base modifier) comprising contacting ethylene and one or more C | 04-04-2013 |
| 20130085092 | RHEOLOGICAL METHODS TO DETERMINE THE PREDISPOSITION OF A POLYMER TO FORM NETWORK OR GEL - A method is provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, measuring the shear stress as a function of shear rate, determining the yield stress using the Herschel-Bulkley equation and assessing the yield stress. A method is also provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, determining at least one of (i) the storage modulus G′ and loss modulus G″ of the composition by subjecting the composition to sinusoidal (oscillating) stress or strain of certain amplitude and frequency, (ii) the phase lag (angle) of the response strain or stress δ, or (iii) the tangent (tan) δ, and (c) assessing at least one of the G′, G″, δ, or tan(δ) determined. | 04-04-2013 |
| 20130072734 | Monoalkylated Aromatic Compound Production - A process for producing a monoalkylated aromatic compound in an alkylation reaction zone, said process comprising the steps of:
| 03-21-2013 |
| 20130066103 | High Vinyl Terminated Propylene Based Oligomers - This invention relates to a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94(mole % ethylene incorporated)+100), when 10 to 60 mole % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mole % ethylene is present in the co-oligomer, and 3) X=(1.83*(mole % ethylene incorporated)−83), when 70 to 90 mole % ethylene is present in the co-oligomer. This invention also relates to a homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. This invention also relates to a process of making homo-oligomer, comprising propylene, wherein the productivity is greater than 4500 g/mmol Hf (or Zr)/hour. | 03-14-2013 |
| 20130059992 | High Vinyl Terminated Propylene Based Oligomers - This invention relates to a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94 (mole % ethylene incorporated)+100), when 10 to 60 mole % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mole % ethylene is present in the co-oligomer, and 3) X=(1.83*(mole % ethylene incorporated)−83), when 70 to 90 mole % ethylene is present in the co-oligomer. This invention also relates to a homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. This invention also relates to a process of making homo-oligomer, comprising propylene, wherein the productivity is greater than 4500 g/mmol Hf (or Zr)/hour. | 03-07-2013 |
| 20130059979 | Process for Forming Polymer Blends - A method for forming a fiber, the method comprising charging to a reactive extruder a first polymer and a second polymer to form an initial blend, where the first polymer is a propylene-based elastomer including up to 35% by weight ethylene-derived units and a heat of fusion, as determined according to DSC procedures according to ASTM E-793, of less than 80 J/g and a melt temperature of less than 110° C., where the second polymer is a propylene-based polymer having a melt temperature in excess of 110° C. and a heat of fusion in excess of 80 J/g, and introducing the reactive blend to a spinneret to form a fiber or extruding the reacted blend through a plurality of die capillaries to form molten threads or filaments which are attenuated in a gas stream to form meltblown fibers. | 03-07-2013 |
| 20130030135 | Vinyl-Terminated Macromonomer Oligomerization - Vinyl-terminated macromonomer oligomerization, namely, a process to produce polymacromonomers comprising contacting a vinyl-terminated macromonomer with a catalyst system capable of oligomerizing vinyl-terminated macromonomer, in the presence of an aluminum containing compound, a zinc containing compound, or a combination thereof, under polymerization conditions to produce a polymacromonomer, and polymacromonomers produced thereby. Also, polymacromonomers having a degree of polymerization greater than 10, a glass transition temperature Tg of less than 60° C., and an Mn of greater than or equal to about 5000 Da. | 01-31-2013 |
| 20130030126 | Olefin Functionalization By Metathesis Reaction - This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94 (mol % ethylene incorporated)+100), when 10 to 60 mol % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mol % ethylene is present in the co-oligomer, and 3) X=(1.83*(mol % ethylene incorporated)−83), when 70 to 90 mol % ethylene is present in the co-oligomer. This invention also relates to a process to functionalize propylene homo-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. | 01-31-2013 |
| 20130029125 | Thermoplastic Polyolefin Blends and Films Therefrom - This invention relates to a film comprising a blend composition comprising: 1) a linear ethylene containing polymer, such as a LLDPE, a HDPE or the like; and at least 1 weight percent of an in-reactor polymer blend comprising: (a) a first ethylene containing polymer having a density of greater than 0.90 g/cm | 01-31-2013 |
| 20130023633 | Vinyl Terminated Higher Olefin Polymers and Methods to Produce Thereof - This invention relates to higher olefin vinyl terminated polymers having an Mn of at least 200 g/mol (measured by | 01-24-2013 |
| 20130014880 | CONSTRUCTION COMPRISING TIE LAYER - A vulcanizable layered composition comprising at least two layers and at least one tie layer. The first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises about 50 to about 100 weight % of at least one halogenated isobutylene containing elastomer; up to about 50 weight % of at least one high diene elastomer; about 20 to about 50 weight % of at least one filler; up to about 30 weight % of at least one processing oil; about 1 to about 20 parts per hundred (phr) of at least one tackifier; and about 0.2 to about 15 parts per hundred of rubber (phr) of a curing system for the elastomers. The fluid permeation prevention layer preferably comprises a thermoplastic engineering resin component and an elastomer component. | 01-17-2013 |
| 20130001448 | Processes Utilizing Switch Condensers - Processes for controlling the operation of switch condensers are provided. | 01-03-2013 |
| 20120275931 | System and Method for Providing a Continuous Flow of Catalyst Into a Polyolefin Reactor - Both a catalyst feed system and a method are provided for providing a flow, of a mud-like catalyst slurry into a polyolefin reactor. The system includes a pressurized reservoir of the catalyst having an outlet, and a progressive cavity pump including a stator and a rotor. The pump stator has an inlet connected to the reservoir outlet, and an outlet leading to the polyolefin reactor. In operation, the reservoir is first pressurized to a level a little higher than the pressure of the reactor. The outlet of the reservoir is opened and the progressive cavity pump is actuated. The pressure drop generated across the catalyst slurry contained in the reservoir by the pump causes the slurry diluent to flow between the interstices of the particles of catalyst. The thick, mud-like catalyst slurry is quickly transformed into a much less viscous, syrup-like slurry that flows from the reservoir outlet to the inlet of the pump stator. The progressive cavity pump then continuously conveys the catalyst through the stator outlet and into the reactor. | 11-01-2012 |
| 20120271078 | Dehydrogenation Process - In a dehydrogenation process a hydrocarbon stream comprising at least one non-aromatic six-membered ring compound and at least one five-membered ring compound is contacted with a dehydrogenation catalyst comprising: (i) a support; (ii) a first component comprising at least one metal component selected from Group 1 and Group 2 of the Periodic Table of Elements; and (iii) a second component comprising at least one metal component selected from Groups 6 to 10 of the Periodic Table of Elements, wherein the catalyst composition exhibits an oxygen chemisorption of greater than 50%. The contacting is conducted under conditions effective to convert at least a portion of the at least one non-aromatic six-membered ring compound in the hydrocarbon stream to benzene and to convert at least a portion of the at least one five-membered ring compound in the hydrocarbon stream to paraffins. | 10-25-2012 |
| 20120215025 | Oxidation Of Hydrocarbons - In a process for oxidizing a hydrocarbon, the hydrocarbon is contacted with oxygen in the presence of an N-substituted cyclic imide and under conditions to oxidize the hydrocarbon to produce an oxidized hydrocarbon product and at least one decomposition product of the N-substituted cyclic imide. At least a portion of the at least one decomposition product is contacted with hydroxylamine or a salt thereof under conditions to convert the at least one decomposition product back to said imide. | 08-23-2012 |
| 20110172466 | Oxidation of Hydrocarbons - In a process for oxidizing a hydrocarbon to the corresponding hydroperoxide, alcohol, ketone, carboxylic acid or dicarboxylic acid, a reaction medium comprising a hydrocarbon is contacted with an oxygen-containing gas in a reaction zone and in the presence of a catalyst comprising a cyclic imide. During the oxidation process, a portion of the reaction medium is continuously or intermittently removed from the reaction zone, is stripped of water and organic acid impurities and then returned to the reaction zone. | 07-14-2011 |
| 20110037022 | Process for Producing Phenol and/or Cyclohexanone - In a process for producing phenol and/or cyclohexanone, benzene and hydrogen are contacted with a first catalyst in a hydroalkylation step to produce a first effluent stream comprising cyclohexylbenzene, cyclohexane, and unreacted benzene. At least part of the first effluent stream is supplied to a first separation system to divide the first effluent stream part into a cyclohexylbenzene-rich stream and a C6 product stream comprising unreacted benzene and cyclohexane. | 02-17-2011 |
| 20100331452 | EFFICIENT MIXING PROCESS FOR PRODUCING THERMOPLASTIC ELASTOMER COMPOSITION - A durable, flexible, impermeable thermoplastic elastomer composition is produced using a dynamic vulcanization process conducted in a high shear mixer at elevated temperature. The composition comprises cured particles of a first halogenated isobutylene-containing elastomer and particles of a second elastomer having at least one functional group capable of reacting with and grafting to a polyamide, the particles of the first and second elastomers dispersed in a continuous thermoplastic polyamide matrix, said process comprising: (1) dispersing a curative in the halogenated elastomer and forming a pre-compounded, preferably pelletized composition; (2) introducing polyamide resin and optional stabilizers into the mixer and shearing and heating to melt the polyamide and form a mixture; (3) introducing a nylon plasticizer to reduce the viscosity of the polyamide mixture to substantially match that of the pre-compounded elastomer under mixing conditions; (4) introducing pellets of the pre-compounded elastomer into the mixer and initiating dynamic vulcanization of the elastomer and polyamide components; (5) introducing the second elastomer and continuing heating and shearing to disperse the second elastomer and substantially complete dynamic vulcanization; and delivering the thermoplastic elastomer composition from the mixer. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers. | 12-30-2010 |
| 20100210779 | Triethylamine Functionalized Elastomer in Barrier Applications - A halogenated elastomer partially functionalized with triethylamine, in a mixture with fiiier and a cure package, suitable for use as an air barrier in an innertube or tire innerliner, is disclosed. The halogenated elastomer can be a polymer comprising C | 08-19-2010 |
| 20100113701 | ORIENTED THERMOPLASTIC ELASTOMER FILM AND PROCESS FOR PRODUCING THE SAME - An oriented thermoplastic elastomer film having reduced permeability and improved fatigue resistance comprising a dynamically vulcanized polymer blend of (A) a halogenated isobutylene elastomer and (B) polyamide, the film is produced by casting or blowing the above polymer blend under the condition such that a shear rate at a die lip for casting or blowing is regulated to control the molecular arrangement in the film, whereby the planar birefringence (PBR) of the resultant film becomes greater or equal to 0.002 and a production process of the same. | 05-06-2010 |
| 20100099821 | POLYAMIDE RESIN COMPOSITION HAVING SUPERIOR EXTENSIBILITY AND FLEXING FATIGUE AND PNEUMATIC TIRE AND HOSE USING THE SAME - A polyamide resin composition, having an excellent extensibility and flexing fatigue, composed of a polyamide resin (A), as a matrix, and a modifying polymer (C), dispersed therein, having a functional group (B) reactive with the polyamide resin (A), wherein a tensile stress at break of the modifying polymer (C) is 30 to 70% of the tensile stress at break of the polyamide resin (A), and a tensile elongation at break of the modifying polymer (C) is 100 to 500% of the tensile elongation at break of the polyamide resin (A) as well as a pneumatic tire and hose using the same. | 04-22-2010 |
| 20090306446 | Monoalkylated Aromatic Compound Production - A process for producing a monoalkylated aromatic compound in an alkylation reaction zone, said process comprising the steps of:
| 12-10-2009 |
| 20090182183 | PROPYLENE OLIGOMERIZATION PROCESS - A process for the oligomerization of propylene is disclosed wherein a tungstated zirconia catalyst prepared as a distillation structure is used in a reaction distillation zone under conditions of temperature and pressure to concurrently react the propylene to produce oligomers thereof and separate the oligomer products from unreacted propylene by fractional distillation in a distillation column reactor. Compared to the prior art tubular or plug flow reactors, lower temperatures and pressures are used to produce higher conversions and selectivities to preferred isomeric forms useful for preparing neo acids. | 07-16-2009 |
| 20090151841 | CONSTRUCTION COMPRISING TIE LAYER - This invention relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer, wherein the first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises a mixture of:
| 06-18-2009 |
| 20090133834 | Radial Block Copolymers and Adhesives Based Thereon With Improved Die-Cutting Performance - Improved adhesives are provided through the use of styrenic radial block copolymers, containing at least 40 wt % diblock copolymers, the adhesives have improved adhesive properties and a reduced elastic behavior under die-cutting conditions. Compared to conventional linear block copolymers of similar molecular weight, radial copolymers offer higher holding power and lower melt viscosity for the adhesive. They therefore contribute to an improved balance between processability and end-use properties. | 05-28-2009 |
| 20090118466 | Polymer recovery method - This invention relates to a process comprising contacting an polymerization reactor effluent with a fluorinated hydrocarbon and thereafter recovering olefin polymer, where the fluorinated hydrocarbon is present at 5 volume % to 99 volume % based upon the volume of the effluent and the fluorinated hydrocarbon, and where the polymerization is a continuous polymerization of at least 75 mole % of hydrocarbon monomers, based upon the total moles of monomer present in the reactor. | 05-07-2009 |
| 20080319119 | Processing Aids for Elastomeric Compositions - The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid includes the reaction product of at least one functionalized polymer having at least one anhydride group contacted with at least one polyamine, wherein the at least one polyamine includes at least one primary amine. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions. | 12-25-2008 |
| 20080314492 | Construction Comprising Tie Layer - This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer, wherein the first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises a mixture of:
| 12-25-2008 |
| 20080314491 | Construction Comprising Tie Layer - This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer. The first of the two layers comprises a fluid permeation prevention layer and the second comprises at least one high diene rubber. The tie layer comprises, a mixture, in parts by weight relative to 100 weight parts of rubber of: (1) 10 to 70 parts by weight of epoxidized natural rubber; (2) 30 to 90 parts by weight of at least one high diene elastomer; (3) 20 to 90 parts by weight of at least one filler; (4) 1 to 20 parts by weight of at least one tackifier, —and (5) at least 0.2 to 15 parts by weight of curing system for the elastomers and rubbers; The fluid permeation prevention layer comprises: (A) at least one thermoplastic engineering resin component; and (B) at least one elastomer component, wherein (B) is dispersed in a vulcanized or partially vulcanized state, as a discontinuous phase, in a matrix of component (A). | 12-25-2008 |
| 20080275187 | Low Permeability Thermoplastic Elastomer Composition - A thermoplastic elastomer composition possessing superior air impermeability, excellent durability and flexibility. In particular, the composition includes (A) at least one halogenated isobutylene-containing elastomer; and (B) at least one nylon resin having a melting point of about 170° C. to about 260° C.; and (C) a low molecular weight polymeric nylon plasticizer; wherein: (1) the at least one elastomer is present as a dispersed phase of small vulcanized particles in a continuous nylon phase; and (2) the elastomer particles are formed by dynamic vulcanization. Use of a low molecular weight nylon plasticizer provides for improved mixing and rubber dispersion while retaining the high levels of impermeability achievable by the use of nylon resin and halogenated isobutylene-containing elastomer in a dynamically vulcanized composition. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers as well as hoses. | 11-06-2008 |
