| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 585510000 | Definite molecular weight product, e.g., dimer, etc. | 65 |
| 20090326295 | METATHESIS UNIT PRETREATMENT PROCESS WITH FORMATION OF OCTENE - Disclosed is a process for integrating a butene dimerization process with a metathesis process to remove isobutene from the feed stream to the metathesis reactor. The isobutene is preferentially dimerized in the dimerization process to leave n-butenes for metathesis with ethylene. An upstream selective hydrogenation process also isomerizes 1-butenes to 2-butenes which is the preferred butene reagent in the metathesis process. A common fractionator column for the dimerization and hydrogenation processes is also described. | 12-31-2009 |
| 20100036185 | PRODUCTION METHOD OF ETHYLENE LOW POLYMER - The object of the present invention is to provide a method of recovering decene under the condition that a decomposition product of a chromium series catalyst and the like is difficult to form from a high boiler from which an ethylene low polymer has been separated, in a production method of an ethylene low polymer using a chromium series catalyst. The present invention relates to that an ethylene low polymer and a high boiler containing a chromium series catalyst, decene, tetradecene and a by-produced polymer are separated by evaporation operation from a reaction liquid containing an ethylene low polymer obtained by low polymerization reaction using a chromium series catalyst, and the high boiler is concentrated such that the tetradecene concentration is 5% by weight or more by an evaporative separator | 02-11-2010 |
| 20130079575 | METHOD OF PRODUCING OLEFINS VIA METATHESIS - Disclosed is a method of producing an organic compound. The method uses a metathesis catalyst in a coupling reaction of an olefin. The method comprises the steps of introducing the olefin into a container; either placing the container under vacuum or bubbling a gas through the olefin; adding an additive with the olefin; mixing the olefin and the additive, the mixing creating a mixture; adding an amount of the metathesis catalyst to the mixture, the amount being less than about 100 ppm by weight of the mixture; and optionally heating the mixture to a temperature, the temperature being greater than room temperature. | 03-28-2013 |
| 20130102826 | Systems And Methods For Generating Alpha Olefin Oligomers - Methods for preparing selected oligomers from monomers utilize systems of equipment adapted to provide desired compositions in various streams. Representative equipment of an oligomerization system includes an oligomer synthesis reactor and, optionally, a gas/liquid phase separation system. A monomer feed stream and a catalyst feed stream are directed to the oligomer synthesis reactor. The reactor produces a vapor phase effluent and a liquid phase effluent. The selected oligomer product is withdrawn from the vapor phase effluent. When the gas/liquid phase separation system is included, it is adapted to form a first recycle stream and a separator product stream from the vapor phase effluent. The separator product stream includes the desired oligomer product. Additional equipment may be utilized to further refine the vapor phase effluent and/or the final product stream. | 04-25-2013 |
| 20130137911 | CATALYTIC COMPOSITION AND PROCESS FOR THE SELECTIVE DIMERIZATION OF ISOBUTENE - Catalytic composition comprising at least one Brønsted acid, designated HB, dissolved in a non-aqueous liquid medium of general formula Q | 05-30-2013 |
| 20140128652 | METHOD FOR PRODUCING DIISOBUTYLENE USING MIXED C4 FRACTION AS RAW MATERIAL - There is provided a process for producing high-purity diisobutylene with a high reaction selectivity in which a mixed C4 fraction is contacted with an oligomerization catalyst to subject isobutene to oligomerization at one stage. The present invention relates to a process for producing diisobutylene by contacting a mixed C4 fraction as a raw material with a solid acid catalyst, which includes the steps of (a) isobutene oligomerization; (b) subjecting the resulting reaction products to distillation to separate the unreacted C4 fraction and an oligomer fraction including a C8 fraction produced from each other; and (c) purification of diisobutylene from the C8 fraction by distillation, in which a conversion of isobutene contained in the mixed C4 fraction upon conducting the step (a) is controlled to a range of from 60 to 95%. | 05-08-2014 |
| 20140330061 | Hydrocarbon Conversion Process and Molecular Sieve of MFS Framework Type With Controllable Average Size - A method of making a crystalline molecular sieve of MFS framework type, preferably ZSM-57, from a synthesis mixture comprising at least one source of tetravalent element (Y), at least one source of trivalent element (X), at least one source of alkali metal hydroxide (MOH), at least one structure-directing-agent (R) and water, said alkali metal (M) comprising potassium, and having the following mole composition (expressed in terms of oxide): | 11-06-2014 |
| 20180022664 | OLIGOMERIZATION OF ETHYLENE TO LIQUID TRANSPORTATION FUELS WITH POST SYNTHESIS TREATED ZSM-5 CATALYST | 01-25-2018 |
| 20180022665 | OLIGOMERIZATION OF ETHYLENE TO LIQUID TRANSPORTATION FUELS WITH POST SYNTHESIS TREATED ZSM-5 CATALYST | 01-25-2018 |
| 20180022666 | OLIGOMERIZATION OF ETHYLENE TO LIQUID TRANSPORTATION FUELS WITH POST SYNTHESIS TREATED ZSM-5 CATALYST | 01-25-2018 |
| 585511000 | Using catalyst containing metal bonded to or complexed with C, C-containing compound, or H | 48 |
| 20080281139 | Catalyst for Propylene Dimerization and Dimerization Method - [PROBLEMS] To provide a catalyst for dimerizing propylene which has excellent propylene dimerization activity and a method of producing 4-methyl-1-pentene using the catalyst. | 11-13-2008 |
| 20090069614 | METHOD FOR PRODUCING UNSATURATED HYDROCARBON COMPOUND - Disclosed is a method for producing an unsaturated hydrocarbon compound wherein an α-olefin is dimerized by using a catalyst system composed of a metallocene compound (A), an ionizing agent (B) and hydrogen. By this method, an unsaturated hydrocarbon compound having unsaturated double bonds in a high ratio, in particular the one having a terminal vinylidene group can be produced efficiently. | 03-12-2009 |
| 20100113851 | System and Method of Deactivating and Quenching an Oligomerization Catalyst - A method of deactivate a catalyst system is described. The method may include contacting a reactor effluent comprising a catalyst system, an oligomerized olefin, and diluent with a kill agent to at least partially deactivate the catalyst system, separating the reactor effluent into one or more first streams comprising oligomerized olefin and diluent, the one or more first streams being substantially devoid of the at least partially deactivated catalyst, and a second stream comprising the deactivated catalyst; and contacting the second stream with a quench agent. | 05-06-2010 |
| 20110082325 | TRANSITION METAL COMPLEX COMPOUNDS, OLEFIN OLIGOMERIZATION CATALYSTS INCLUDING THE COMPOUNDS, AND PROCESSES FOR PRODUCING OLEFIN OLIGOMERS USING THE CATALYSTS - The invention provides transition metal complex compounds, high-activity olefin oligomerization catalysts containing the compounds, and olefin oligomerization processes using the catalysts. | 04-07-2011 |
| 20110213190 | PROCESS FOR OLIGOMERIZATION OF OLEFINS THAT USES A CATALYTIC COMPOSITION THAT COMPRISES AN ORGANOMETALLIC COMPLEX THAT CONTAINS A PHENOXY LIGAND THAT IS FUNCTIONALIZED BY A HETEROATOM - The invention describes a process for oligomerization of the olefins into compounds or into a mixture of compounds of general formula CpH2p with 4≦p≦80 that implements a catalytic composition that comprises at least one organometallic complex of an element of group IV that is selected from among titanium, zirconium, or hafnium, whereby said organometallic complex contains at least one aryloxy-type (or phenyloxy-type) ligand that is functionalized by a heteroatom that is selected from among nitrogen, oxygen, phosphorus or sulfur or by an aromatic group. | 09-01-2011 |
| 20110288356 | Catalyst Systems for the Catalytic Oligomerization of Olefinic Monomers - The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand comprising the product formed by reacting
| 11-24-2011 |
| 20120172645 | Olefin Oligomerization catalysts and Methods of Making and Using Same - This disclosure provides for a process for preparing a catalyst system comprising a) contacting a metal compound, a diphosphino aminyl ligand metal complex, and a metal alkyl for a time period to form a mixture; and b) aging the mixture. The disclosure also provides for olefin oligomerization process comprising: a) contacting i) a metal compound, ii) a diphosphino aminyl ligand, and iii) a metal alkyl to form a mixture; b) aging the mixture; c) contacting the aged mixture with an olefin monomer; and d) forming an olefin oligomer product. | 07-05-2012 |
| 20120310025 | Catalyst for Synthesizing 1-Hexene from Ethylene Trimerization and Application Thereof - A catalyst for synthesizing 1-hexene from ethylene trimerization and its application are provided. Said catalyst consists of (a) the compound containing P and N, (b) electron donor, (c) Cr compound, (d) carrier and (e) accelerator. The molar ratio of (a), (b), (c), (d) and (e) is 0.5-100:0.5-100:1:0.5-10:50-5000. The catalyst is prepared by mixing the components of (a)-(e) in an ethylene trimerization apparatus in situ and ethylene is introduced into the apparatus continuously. The prepared catalyst can be used to synthesize 1-hexene from ethylene trimerization in the inert solvents. The trimerization is performed at 30-150° C. and 0.5-10.0 MPa for 0.1-4 hours. The catalyst has high catalytic activity and high 1-hexene selectivity. During the process of ethylene trimerization, by-product polyethylene does not stick to the apparatus. | 12-06-2012 |
| 20130030233 | PROCESS FOR OLIGOMERIZING OLEFINS - The invention provides a catalyst system composed of:
| 01-31-2013 |
| 20130066128 | NOVEL NICKEL-BASED CATALYTIC COMPOSITION AND METHOD OF OLIGOMERIZATION OF OLEFINS USING SAID COMPOSITION - The present invention describes a novel catalytic composition comprising at least one nickel complex, said complex being obtained from a mixture comprising at least one nickel precursor A with at least one imino-imidazole ligand B and a method of oligomerization of olefins using said catalytic composition. | 03-14-2013 |
| 20130150642 | Preparation of an Olefin Oligomerization Catalyst - This disclosure provides for new catalyst systems and new methods for preparing and using the catalyst systems for generating a trimerization product. In an aspect, the new catalyst systems comprise a chromium carboxylate that is prepared by anhydrous metathesis. In another aspect, the catalyst system comprise a chromium carboxylate that is prepared by anhydrous metathesis and a metal pyrrolide compound. The catalyst systems imparts improved performance and/or reduced catalyst system cost to an olefin trimerization process. | 06-13-2013 |
| 20130225892 | PROCESS FOR PRODUCING UNSATURATED HYDROCARBON COMPOUND - Disclosed is a method for producing an unsaturated hydrocarbon compound wherein an α-olefin is dimerized by using a catalyst system composed of a metallocene compound (A) and an oxygen-containing organometallic compound modified with a halogen-containing compound (B). By this method, an unsaturated hydrocarbon compound having unsaturated double bonds in a high ratio, in particular the one having a terminal vinylidene group can be produced efficiently. | 08-29-2013 |
| 20130303818 | METHOD FOR PRODUCING ALPHA-OLEFIN UNSATURATED DIMER - A method for producing an unsaturated dimer by reacting an α-olefin having 6 to 14 carbon atoms in an agitated vessel, wherein a metallocene-based catalyst is used as a reaction catalyst; and the supply flow rate of hydrogen (V | 11-14-2013 |
| 20140012056 | METHOD FOR PRODUCING 1-HEXENE - Disclosed is a method for producing 1-hexene that is capable of reducing the amount of by-product polymers when 1-hexene is produced through the trimerization reaction of ethylene. The method for producing 1-hexene comprises the following steps 1 and 2:
| 01-09-2014 |
| 20140357918 | PROCESS FOR PRODUCING LOW MOLECULAR WEIGHT ETHYLENE- AND ALPHA-OLEFIN-BASED MATERIALS - The present invention generally relates to a process that prepares polyethylenes, poly-α-olefins or poly(co-ethylene-?-olefin) having backbone weight average molecular weights less than 2500 daltons. The process uses a metal-ligand complex as a precatalyst and can be carried out at temperatures ranging from 30° C. to 300° C. The relatively low molecular weight of the products enables improved viscosity control for a wide variety of applications. | 12-04-2014 |
| 20140364669 | METHOD FOR PRODUCING ALPHA-OLEFIN - Provided is a production process for α-olefin which does not comply the Shultz-Flory distribution and which is excellent in the yields of α-olefins of 1-hexene up to 1-tetradecene each having 6 to 14 carbon atoms, particularly a yield of 1-octene. The above production process is characterized by polymerizing ethylene using (A) a specific chromium compound, (B) a specific aminophosphine ligand compound and (C) a promoter. | 12-11-2014 |
| 20150045603 | CATALYST SYSTEMS FOR PREPARING 1-HEXENE AND/OR 1-OCTENE FROM ETHYLENE - This invention relates to a catalyst system for selective oligomerization of ethylene, which includes (i) a chromium compound; (ii) a ligand having a P—C—C—P backbone structure; and (iii) an activator, thus preparing 1-hexene and/or 1-octene with high activity and selectivity. | 02-12-2015 |
| 20150126790 | PROCESS FOR OLIGOMERISING A HYDROCARBON TO FORM AT LEAST ONE CO-MONOMER PRODUCT - A process ( | 05-07-2015 |
| 20150321977 | HYDROCARBON CONVERSION PROCESSES USING LACTAMIUM-BASED IONIC LIQUIDS - A hydrocarbon conversion process is described. The process involves contacting a hydrocarbon feed with a lactamium based ionic liquid catalyst in a reaction zone under reaction conditions to form a mixture comprising reaction products, and the lactamium based ionic liquid catalyst. Typical hydrocarbon conversion processes include alkylation, oligomerization, isomerization, disproportionation, and reverse disproportionation. | 11-12-2015 |
| 20160052838 | OLIGOMERISATION PROCESS - This invention relates to base oils for lubricating compositions. In particular, the present invention provides a process for the selective oligomerisation of C5 to C20 alpha-olefins to produce polyalphaolefin oligomers with a molecular weight distribution that is suitable for use in lubricant base oils. | 02-25-2016 |
| 20160075616 | TETRAMERISATION OF ETHYLENE - A process for the tetramerisation of ethylene includes contacting ethylene with a catalyst under ethylene oligomerisation conditions. The catalyst comprises a source of chromium, a ligating compound, and an activator. The ligating compound includes a phosphine that forms part of a cyclic structure. | 03-17-2016 |
| 585512000 | Al-and transition metal-containing | 27 |
| 20100030000 | PRODUCTION METHOD OF ALPHA-OLEFIN LOW POLYMER AND STORAGE METHOD OF PYRROLE COMPOUND - The object of the present invention is to provide production method of an α-olefin low polymer using a chromium series catalyst comprising a pyrrole compound as a component. The present invention relates to that in producing an α-olefin low polymer such as 1-hexene using an α-olefin such as ethylene as a raw material, a chromium series catalyst constituted of a chromium compound (a), a pyrrole compound (b) and an aluminum-containing compound (c) is used as a polymerization catalyst, and a concentration of a pyrrole dimer contained in the pyrrole compound (b) is 2% by weight or less based on the pyrrole compound (b). | 02-04-2010 |
| 20110301398 | OLIGOMERISATION OF OLEFINS - Olefins are oligomerized by bringing at least one C | 12-08-2011 |
| 20120142988 | METHOD OF PRODUCING 1-HEXENE - A method of producing 1-hexene comprising:
| 06-07-2012 |
| 20140142360 | BULK ETHYLENE OLIGOMERIZATION USING A LOW CONCENTRATION OF CHROMIUM CATALYST AND THREE-PART ACTIVATOR - This invention enables the “bulk” oligomerization of ethylene (i.e. the oligomerization of ethylene in the presence of the oligomer product) using a catalyst system comprising 1) a very low concentration of a chromium catalyst and 2) a three part activator. The chromium catalyst contains a diphosphine ligand, preferably a so called P—N—P ligand. The activator includes an aluminoxane, trimethyl aluminum, and triethyl aluminum. | 05-22-2014 |
| 20150291486 | Methods and Apparatus for Deactivating a Catalyst Composition - Disclosed herein are methods and apparatus for deactivating a catalyst composition in an reaction product stream. One such method and apparatus contact the catalyst composition with a catalyst-deactivating composition and a diluent in a vapor phase of a product-receiving vessel, wherein the boiling point of the diluent is at least 5.0° C. greater than the boiling point of the catalyst-deactivating composition. Also disclosed are oligomerization systems for producing oligomers. | 10-15-2015 |
| 20160002123 | PROCESS FOR THE SELECTIVE DIMERISATION OF ETHYLENE TO 1-BUTENE - The invention concerns a process for the selective dimerization of ethylene to 1-butene employing a catalytic composition comprising at least one alkoxy or aryloxy titanium compound, at least one additive selected from ether type compounds and at least one aluminium compound. | 01-07-2016 |
| 20160002124 | CATALYTIC COMPOSITION AND PROCESS FOR THE SELECTIVE DIMERIZATION OF ETHYLENE TO 1-BUTENE - The invention describes a catalytic composition obtained by interaction of an alkyl titanate on the one hand with a preformed mixture of an alkylaluminium and a Lewis base on the other hand. The invention also describes the use of said composition in a process for the selective dimerization of ethylene to 1-butene. | 01-07-2016 |
| 585513000 | And N-, P-, or S-containing | 20 |
| 20100094070 | ETHYLENE TRIMERIZATION USING A SUPPORTED CHROMIUM-TANTALUM CATALYST - Bimetallic, supported catalysts for production of 1-hexene from ethylene are manufactured by impregnating a porous, solid support material with at least one catalytic chromium compound and at least one catalytic tantalum compound. The bimetallic, supported catalysts have high catalytic turnover, high selectivity for 1-hexene production, a low tendency for metals to leach from the catalysts during manufacturing and use compared to catalysts manufactured using known techniques. Moreover, the catalysts can be reused in multiple synthesis runs. High turnover, high selectivity, and reusability improve yields and reduce the costs associated with producing 1-hexene from ethylene, while the absence of metal leaching reduces the potential environmental impacts of using toxic metal catalysts (e.g., chromium). | 04-15-2010 |
| 20100113852 | OLIGOMERIZATION CATALYST SYSTEM AND PROCESS FOR OLIGOMERIZING OLEFINS - Among other things, this disclosure provides an olefin oligomerization system and process, the system comprising: a) a transition metal compound; b) a pyrrole compound having independently-selected C | 05-06-2010 |
| 20100274065 | OLIGOMERIZATION CATALYST SYSTEM AND PROCESS FOR OLIGOMERIZING OLEFINS - Among other things, this disclosure provides an olefin oligomerization system and process, the system comprising: a) a transition metal compound; b) a pyrrole compound having a hydrogen atom on at the 5-position or the 2- and 5-position of a pyrrole compound and having a bulky substituent located on each carbon atom adjacent to the carbon atom bearing a hydrogen atom at the 5-position or the 2- and 5-position of a pyrrole compound. These catalyst system have significantly improved productivities, selectivities to 1-hexene, and provides higher purity 1-hexene within the C | 10-28-2010 |
| 20100298618 | CATALYST COMPOSITION AND PROCESS FOR OLIGOMERIZATION OF ETHYLENE - The present invention relates to a catalyst composition comprising: (a) a binuclear chromium(II) complex; (b) a ligand of the general structure (A) R | 11-25-2010 |
| 20110004039 | SELECTIVE OLEFIN DIMERIZATION WITH SUPPORTED METAL COMPLEXES ACTIVATED BY ALKYLALUMINUM COMPOUNDS OR IONIC LIQUIDS - Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein the catalytic component is of the form: | 01-06-2011 |
| 20110004040 | ORGANOMETALLIC COMPLEXES AS CATALYST PRECURSORS FOR SELECTIVE OLEFIN DIMERIZATION AND PROCESSES THEREFOR - Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts, wherein the catalytic component is of the formula: | 01-06-2011 |
| 20120136189 | BUFFERED IONIC LIQUIDS FOR OLEFIN DIMERIZATION - The present invention relates generally to buffered ionic liquids that are very useful for dimerization of olefins, such as isopropene, wherein the buffer is a phosphine or a bismuthine or an arsine or an amine. | 05-31-2012 |
| 20130018214 | CATALYST COMPOSITION FOR OLIGOMERIZATION OF ETHYLENE AND PROCESSES OF OLIGOMERIZATIONAANM Zheng; MingfangAACI BeijingAACO CNAAGP Zheng; Mingfang Beijing CNAANM Li; WeizhenAACI BeijingAACO CNAAGP Li; Weizhen Beijing CNAANM Wang; HuaijieAACI BeijingAACO CNAAGP Wang; Huaijie Beijing CNAANM Liu; JunAACI BeijingAACO CNAAGP Liu; Jun Beijing CNAANM Zhang; HaiyingAACI BeijingAACO CNAAGP Zhang; Haiying Beijing CNAANM Zhou; YuAACI BeijingAACO CNAAGP Zhou; Yu Beijing CNAANM Li; TonglinAACI BeijingAACO CNAAGP Li; Tonglin Beijing CNAANM Zhao; LanAACI BeijingAACO CNAAGP Zhao; Lan Beijing CNAANM Wang; JilongAACI BeijingAACO CNAAGP Wang; Jilong Beijing CNAANM Wu; HongfeiAACI BeijingAACO CNAAGP Wu; Hongfei Beijing CNAANM Piao; YulingAACI BeijingAACO CNAAGP Piao; Yuling Beijing CNAANM Sui; JunlongAACI BeijingAACO CNAAGP Sui; Junlong Beijing CN - The present invention provides a catalyst composition for the ethylene oligomerization, which comprises 2-imino-1,10-phenanthroline coordinated iron (II), cobalt (II) or nickel (II) chloride as main catalyst and triethylaluminum as cocatalyst. The present invention also provides a process for oligomerization of ethylene is provided, wherein a catalyst composition comprising 2-imino-1,10-phenanthroline coordinated iron (II), cobalt (II) or nickel (II) chloride as main catalyst and triethylaluminum as cocatalyst is used, and the molar ratio of aluminum in the cocatalyst to central metal in the main catalyst ranges from 30 to less than 200. According to the present invention, another process for oligomerization of ethylene is also provided, wherein a catalyst composition comprising 2-imino-1,10-phenanthroline coordinated iron (II), cobalt (II) or nickel (II) chloride as main catalyst and triethylaluminum as cocatalyst is used, and the temperature of ethylene oligomerization ranges from −10 to 19° C. According to the present invention, the price of cocatalyst i.e. triethylaluminum, is low, just a fraction of that of methylaluminoxane, the amount of cocatalyst is therefore significantly reduced, with the catalytic activity is still acceptable, thus the cost of ethylene oligomerization is significantly reduced. In view of both the catalytic activity and the cost, the present invention is highly applicable in industry. | 01-17-2013 |
| 20130217941 | PROCESS FOR OLIGOMERIZATION OF OLEFINS THAT USES A CATALYTIC COMPOSITION THAT COMPRISES AN ORGANOMETALLIC COMPLEX THAT CONTAINS AN ALKOXY LIGAND THAT IS FUNCTIONALIZED BY A HETEROATOM - The invention describes a process for oligomerization of olefins into compounds or into a mixture of compounds of general formula CpH2p with 4≦p≦80 that employs a catalytic composition that comprises at least one organometallic complex of an element of group IV that is selected from among titanium, zirconium, or hafnium, whereby said organometallic complex contains at least one alkoxy-type ligand that is functionalized by a heteroatom that is selected from among nitrogen, oxygen, phosphorus or sulfur, or by an aromatic group. | 08-22-2013 |
| 20130310619 | SELECTIVE OLEFIN DIMERIZATION WITH SUPPORTED METAL COMPLEXES ACTIVATED BY ALKYLALUMINUM COMPOUNDS OR IONIC LIQUIDS - Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein the catalytic component is of the form: | 11-21-2013 |
| 20140179970 | CATALYST COMPOSITION AND PROCESS FOR DI-, TRI-AND/OR TETRAMERIZATION OF ETHYLENE - A catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure R | 06-26-2014 |
| 20150080628 | CATALYST AND PROCESS FOR THE CO-DIMERIZATION OF ETHYLENE AND PROPYLENE - Disclosed are novel catalyst solutions comprising an organic complex of nickel, an alkyl aluminum compound, a solvent, and a phosphine compound, that are useful for the preparation of butenes, pentenes and hexenes by the co-dimerization or cross-dimerization of ethylene and propylene. Also disclosed are processes for the dimerization of ethylene and propylene that utilize these catalyst solutions. The catalyst systems described herein demonstrate that, depending on the choice of phosphine compound used with the catalytically active nickel, it is indeed possible to lower the concentration of hexene olefins relative to butenes and pentenes, even in the presence of excess propylene. The selectivity to the linear or branched pentene product can also be controlled by the selection of the phosphine compound. The catalyst solutions may be used with mixtures of olefins. | 03-19-2015 |
| 20150080629 | Tetramerisation of Ethylene - A process for the tetramerisation of ethylene under solution phase conditions is carried out in the presence of an activated catalyst at a temperature above 80° C. and up to a temperature of about 115° C. The activated catalyst is provided by combining a source of chromium, a diphosphine ligating compound and optionally a catalyst activator or combination of catalyst activators. The process forms at least 30% 1-octene and a polyethylene co-product that, together with any other reaction products, remains substantially dissolved in the liquid phase. The polyethylene co-product has a weight average molecular weight (Mw) of less than 200 000 g/mol, a number average molecular weight (Mn) of less than 3 000 g/mol, and a melt flow index of more than 20 g/10 minutes. | 03-19-2015 |
| 20150087873 | Tetramerisation of Ethylene - A process for the tetramerisation of ethylene under solution phase conditions is carried out in the presence of an activated catalyst at a temperature above 80° C. and up to a temperature of about 130° C. The activated catalyst is provided by combining a source of chromium, a ligating compound, which ligating compound includes at least one fluorine substituted hydrocarbyl group, organoheteryl group, or heterohydrocarbyl group, and optionally a catalyst activator or combination of catalyst activators. | 03-26-2015 |
| 20150148578 | Unsupported Metal Substituted Heteropolyacid Catalysts For Dimerization And/Or Oligomerization of Olefins - The present invention relates to unsupported metal (e.g., cesium) substituted heteropolyacid catalyst compositions useful for the production of butene dimers and/or oligomers from a mixed butenes feed, in which, under mild conditions, all isomers of mixed butenes produce highly branched C8 and C8+ olefins, useful as octane enhancers. | 05-28-2015 |
| 20150299069 | PROCESS FOR OLIGOMERIZATION OF ETHYLENE - The present invention relates to a process for the oligomerization of ethylene, comprising: a) oligomerizing of ethylene in a reactor in the presence of solvent and catalyst; b) transferring reactor overhead effluent to an externally located cooling device and recycling condensed effluent into the reactor; c) transferring the reactor bottom effluent to a series of fractionation columns and, in the following order, i) optionally separating C4 fraction, ii) separating C6 fraction, iii) simultaneously separating C8 and C10 fractions and recycling thereof into the reac-tor, and iv) separating residues comprising ≧C12 fractions, spent catalyst, polymer material and quench media, from the process, wherein the solvent is separated in any of the steps i)-iv) and/or in an additional step. | 10-22-2015 |
| 20160001278 | CATALYST FOR OLEFIN MULTIMERIZATION AND METHOD FOR PRODUCING OLEFIN MULTIMER IN PRESENCE OF CATALYST FOR OLEFIN MULTIMERIZATION - The objectives of the present invention are to provide an olefin oligomerization catalyst that allows properties of particles of a polymer component by-produced in an α-olefin production process to be obtained in such a shape that does not negatively affect a separation process for the particles and to provide a method for producing an olefin oligomer performed in the presence of the olefin oligomerization catalyst. The objectives can be achieved by the olefin oligomerization catalyst obtained by contacting (D) a transition metal compound with a preliminary contact solid catalyst component (II) obtained by contacting a solid catalyst component (I) formed by supporting (B) an organoaluminum oxy-compound (b-2) on (A) a solid carrier with (C) at least one compound selected from the group consisting of an organometallic compound (c-1), an organoaluminum oxy-compound (c-2), and a compound (c-3) that reacts with the transition metal compound (D) to form a pair of ion. | 01-07-2016 |
| 20160083311 | OLIGOMERISATION OF ETHYLENE TO MIXTURES OF 1-HEXENE AND 1-OCTENE - A process for the oligomerisation of ethylene to predominantly 1-hexene or 1-octene or mixtures of 1-hexene and 1-octene includes contacting ethylene with a catalyst under ethylene oligomerisation conditions. The catalyst comprises a source of chromium, a diphosphine ligating compound, and optionally an activator. The diphosphine ligating compound includes at least one optionally substituted fused cyclic structure including at least two rings, the optionally substituted fused cyclic structure including a 5- to 7-membered aromatic first ring bonded to a phosphorus atom, the aromatic first ring being fused to a 4- to 8-membered heterocyclic second ring, the heterocyclic second ring including a heteroatom which is separated by two ring atoms along the shortest connecting path from the phosphorous atom that is bonded to the first aromatic ring. | 03-24-2016 |
| 20160083312 | OLIGOMERISATION OF ETHYLENE TO MIXTURES OF 1-HEXENE AND 1-OCTENE - A process for the oligomerisation, preferably the tetramerisation, of ethylene to predominantly 1-hexene or 1-octene or mixtures of 1-hexene and 1-octene includes contacting ethylene with a catalyst under ethylene oiigomerisation conditions. The catalyst comprises a source of chromium, a diphosphine ligating compound, and optionally an activator. The diphosphine ligating compound includes at least one substituted aromatic ring bonded to a phosphorous atom. The substituted aromatic ring is substituted at a ring atom adjacent to the ring atom bonded to the respective phosphorous atom with a group Y, where Y is of the form —AR | 03-24-2016 |
| 20160375431 | Phosphinyl Formamidine Compounds, Metal Complexes, Catalyst Systems, and Their Use to Oligomerize or Polymerize Olefins | 12-29-2016 |
| 585514000 | Using P-containing catalyst | 5 |
| 20100137669 | ETHYLENE TETRAMERIZATION CATALYST SYSTEMS AND METHOD FOR PREPARING 1-OCTENE USING THE SAME - Disclosed herein is a method of preparing 1-octene at high activity and high selectivity while stably maintaining reaction activity by tetramerizing ethylene using a chromium-based catalyst system comprising a transition metal or a transition metal precursor, a cocatalyst, and a P—C—C—P backbone structure ligand represented by (R | 06-03-2010 |
| 20110124936 | PROCEDE DOLIGOMERISATION DES OLEFINS USING LEGERES UTILISANT UN CATALYSEUR A BASE D'UN MATERIAU AMORPHE A POROSITE HIERARCHISEE - A process for oligomerization of an olefinic feedstock that contains olefinic hydrocarbon molecules that have 2 to 10 carbon atoms per molecule is described, whereby said process comprises bringing said feedstock into contact with a catalyst that comprises at least one amorphous material with hierarchized and organized porosity and consists of at least two elementary spherical particles, each of said particles comprising a mesostructured silicon-oxide-based matrix that has a mesopore diameter of between 1.5 and 30 nm and that exhibits amorphous and microporous walls with a thickness of between 1 and 50 nm, whereby said elementary spherical particles have a maximum diameter of 200 microns. | 05-26-2011 |
| 20130137912 | CATALYTIC COMPOSITION CONTAINING AN ACID FUNCTION AND A PROCESS FOR THE SELECTIVE DIMERIZATION OF ISOBUTENE - Catalytic composition comprising at least one non-aqueous ionic liquid medium of general formula Q | 05-30-2013 |
| 20140081064 | ETHYLENE TETRAMERIZATION CATALYST SYSTEMS AND METHOD FOR PREPARING 1-OCTENE USING THE SAME - Disclosed herein is a method of preparing 1-octene at high activity and high selectivity while stably maintaining reaction activity by tetramerizing ethylene using a chromium-based catalyst system comprising a transition metal or a transition metal precursor, a cocatalyst, and a P—C—C—P backbone structure ligand represented by (R | 03-20-2014 |
| 20150133707 | SEPARATION OF COMPONENTS FROM A MULTI-COMPONENT HYDROCARBON STREAM - A process ( | 05-14-2015 |
| 585516000 | Using alkali metal-containing catalyst | 2 |
| 20080306319 | Oligomerisation - The application discloses novel processes for the oligomerisation of unsaturated hydrocarbons, and more specifically the use of selected ionic liquids in the oligomerisation of unsaturated hydrocarbons, which allows for selection of the oligomers formed. | 12-11-2008 |
| 20120010452 | HETEROGENEOUS SUPPORTS FOR HOMOGENEOUS CATALYSTS - A method of making a heterogenously supported catalyst useful in dimerization, oligomerization or polymerization is provided in which a catalyst precursor containing a metal and an aromatic group are alkylated onto an oligomeric support having at least one terminal unsaturated group by Friedel Crafts alkylation. | 01-12-2012 |
