Patent application number | Description | Published |
20080319234 | Heterogeneous arylalkyl oxidation promoter - A promoter can have utility in selective heterogeneous oxidation of arylalkyl hydrocarbons such as, for example, cyclohexyl benzene and/or sec-butyl benzene to form hydroperoxides. The promoter can include the product of contacting a solid support comprising a metal oxide surface and an iron compound. The solid support can include, for example, titanium dioxide and/or an iron oxide such as magnetite and can have magnetic susceptibility. A method for the oxidation of arylalkyl hydrocarbons to form hydroperoxides can include contacting | 12-25-2008 |
20090118443 | Gas Phase Polymerization And Distributor Plate Passivation Treatment - Apparatus and methods for gas phase polymerization are provided. The method can include polymerizing one or more olefins at gas phase conditions in a reactor comprising one or more process exposed surfaces in the presence of a catalyst system; and treating at least a portion of the one or more process exposed surfaces prior to injecting the catalyst system to reduce the number of surface hydroxyls or access of the catalyst system to the surface hydroxyls on the process exposed surfaces. | 05-07-2009 |
20090124486 | HALOGEN SUBSTITUTED HETEROCYCLIC HETEROATOM CONTAINING LIGANDS-ALUMOXANE ACTIVATION OF METALLOCENES - This invention relates to an activator, catalyst system, and the use thereof. In one aspect, the catalyst system includes one or more polymerization catalysts and at least one activator. The activator comprises one or more heterocyclic heteroatom containing ligands coordinated to an alumoxane, wherein the activator is a reaction product of one or more alumoxanes and one or more heterocyclic heteroatom containing compounds, the one or more heterocyclic heteroatom containing ligands represented by the formula: | 05-14-2009 |
20090318647 | 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. | 12-24-2009 |
20110112302 | Metathesis Catalysts and Processes for Use Thereof - This invention relates to a metathesis catalyst compound comprising an asymmetrically substituted N-heterocyclic carbene (NHC) metathesis catalyst and a process to make linear alpha-olefins comprising contacting a feed material and an optional alkene (such as ethylene) with said catalyst, where the feed material is a triacylglyceride, fatty acid, fatty acid alkyl ester, and/or fatty acid ester, typically derived from biodiesel. | 05-12-2011 |
20110112304 | Carbene Complexes of Lithium And/Or Magnesium Metal Salts, And Uses Thereof - This invention relates to a carbene complex of metal salt represented by the formula: | 05-12-2011 |
20110112305 | METATHESIS CATALYST AND PROCESS FOR USE THEREOF - This invention relates to a catalyst compound comprising a combination of a cyclic alkyl amino carbene ligand and a benzylidene both attached to a Group 8 metal, preferably ruthenium atom. | 05-12-2011 |
20110112349 | Metathesis Catalyst and Process for Use Thereof - This invention relates to a catalyst compound for the metathesis of olefins represented by the formula: | 05-12-2011 |
20110306815 | Metathesis Catalyst and Process for Use Thereof - This invention relates to a catalyst compound comprising a combination of a cyclic alkyl amino carbene ligand and a benzylidene both attached to a Group 8 metal, preferably ruthenium atom. | 12-15-2011 |
20120077945 | Novel Class Of Olefin Metathesis Catalysts, Methods Of Preparation, And Processes For The Use Thereof - This invention relates to a metathesis catalyst comprising (i) a Group 8 metal hydride-dihydrogen complex represented by the formula: | 03-29-2012 |
20120149552 | Processes For Making Multimodal Molecular Weight Distribution Polyolefins - This invention relates to a process to make a multimodal polyolefin composition comprising: (i) contacting at least one first olefin monomer with a mixed catalyst system, under polymerization conditions, to produce at least a first polyolefin component having a Mw of 5,000 g/mol to 600,000 g/mol, wherein the mixed catalyst system comprises: (a) at least one polymerization catalyst comprising a Group 4 or Group 5 transition metal; (b) at least one organochromium polymerization catalyst; (c) an activator; and (d) a support material; (ii) thereafter, contacting the first polyolefin component/mixed catalyst system combination with a molecular switch; (iii) contacting the first polyolefin component/mixed catalyst system combination with at least one second olefin monomer, which may be the same or different, under polymerization conditions; and (iv) obtaining a multimodal polyolefin composition. | 06-14-2012 |
20120245310 | 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 | 09-27-2012 |
20120245312 | 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 | 09-27-2012 |
20120289729 | Metathesis Catalyst and Process for Use Thereof - This invention relates to a Group 8 catalyst compound for the metathesis of | 11-15-2012 |
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 |
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 |
20130041122 | Polymers Prepared By Ring Opening / Cross Metathesis - This invention relates to a process for producing a polymer of a cyclic olefin and a linear mono-olefin, the process comprising contacting at least one C | 02-14-2013 |
20130137829 | Functionalization of Vinyl Terminated Polymers by Ring Opening Cross Metathesis - This invention relates to a polymer of a cyclic olefin and a vinyl terminated macromonomer, and processes for the production thereof. | 05-30-2013 |
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 |
20130274425 | Methods To Increase Oligomer Viscosity And Uses Thereof - This invention relates to processes for increasing the viscosity of an oligomer composition including contacting the oligomer composition comprising one or more vinyl terminated oligomer with a supported mixed metal oxide catalyst; wherein the contacting causes the reaction of the vinyl terminated oligomers; and producing a product oligomer composition having a higher viscosity than the oligomer composition. | 10-17-2013 |
20140039137 | Polyalphaolefins Prepared Using Modified Salan Catalyst Compounds - Disclosed herein are polyalphaolefins and Salan cataylsts, catalyst systems, and processes to produce the polyalphaolefins. | 02-06-2014 |
20140039138 | Catalysts Comprising Salan Ligands - Catalysts comprising salan ligands with carbazole 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. | 02-06-2014 |
20140039139 | Nonsymmetric Catalysts Comprising Salan Ligands - Catalysts comprising a non-symmetrical Salan ligand with a carbazole moiety. Also disclosed are 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. | 02-06-2014 |
20140039140 | Vinyl Terminated Polyethylene with Long Chain Branching - Vinyl terminated polyolefins with long chain branching produced with Salan catalysts having carbazole moieties. | 02-06-2014 |
20140039141 | Halogenated Catalysts Comprising Salan Ligands - Catalysts comprising a halogenated Salan ligand. Also disclosed are 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. | 02-06-2014 |
20140121325 | Propylene Copolymer Compositions and Processes to Produce Them - This invention relates to a process for producing propylene-based in-reactor compositions comprising: (a) contacting propylene and from about 0 wt % to 10 wt % C | 05-01-2014 |
20140121341 | Supported Metallocene Catalyst Systems and Methods of Preparation Thereof - This invention relates to a process to produce a supported metallocene catalyst system, the process comprising: (i) contacting a support material with an alkyl aluminum compound to provide an alkyl aluminum treated support material; wherein the alkyl aluminum compound is represented by the formula: R | 05-01-2014 |
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 |
20140179862 | Metal Polymeryls and the Polymer Solubilized Surfaces Derived Therefrom - Disclosed herein are certain propylene-based metal polymerals and their use in modifying surfaces, and, in general, metal polymerals used in modifying surfaces. In one aspect is a metal polymeryl comprising compounds having the general formula: MR | 06-26-2014 |
20140259885 | RING OPENING CROSS METATHESIS OF VINYL TERMINATED POLYMERS AND THEIR FUNCTIONALIZED DERIVATIVES FOR FOULING MITIGATION IN HYDROCARBON REFINING PROCESSES - A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Methods of using the compound and compositions thereof are also provided. | 09-18-2014 |
20140262952 | FUNCTIONALIZED POLYMERS CONTAINING POLYAMINE SUCCINIMIDE FOR DEMULSIFICATION IN HYDROCARBON REFINING PROCESSES - A method for treating an emulsion of a hydrocarbon is disclosed. The method includes providing an emulsion of a crude hydrocarbon, and adding an additive to the emulsion to obtain a treated hydrocarbon. | 09-18-2014 |
20140262953 | FUNCTIONALIZED POLYMERS CONTAINING POLYAMINE SUCCINIMIDE FOR ANTIFOULING IN HYDROCARBON REFINING PROCESSES - A multipurpose chemical additives (MPC) is disclosed to mitigate fouling in hydrocarbon refinery processes, such as in a heat exchanger. A method for reducing fouling of a hydrocarbon is also disclosed that includes (i) providing a crude hydrocarbon for a refining process; and (ii) adding an additive to the crude hydrocarbon. | 09-18-2014 |
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 |
20140378633 | Long-Bridged Salen Catalyst - Catalysts comprising long-bridged salen ligands comprising an imino-phenylene-alkylene-imino or an imino-napthalenylene-alkylene-imino bridged salen compound. 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 |
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 |
20150025205 | Metallocenes and Catalyst Compositions Derived Tehrefrom - This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R | 01-22-2015 |
20150025206 | Metallocenes and Catalyst Compositions Derived Therefrom - This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having two indenyl ligands with identical substitution including, for example, cyclopropyl groups and substituted phenyl groups at the 2 and 4 positions of the catalyst, respectively, where the substituents are at the 3′ and 5′ positions of the phenyl groups. | 01-22-2015 |