Using Alkali Metal-containing Catalyst Patents (Class 585/516)
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Patent number: 11759768Abstract: A porous formed body (Y) including a porous formed body (X) that satisfies the following (x-1) to (x-3), and an alkali metal carbonate or an alkali metal bicarbonate, in which a content of the alkali metal carbonate or the alkali metal bicarbonate is in a range of from 1 part by mass to 230 parts by mass, with respect to 100 parts by mass of the porous formed body (X), and a production method thereof, an ?-olefin dimerization catalyst and a production method thereof, and a method of producing an ?-olefin dimer: requirement (x-1): a volume of pores with a pore diameter in a range of from 0.01 ?m to 100 ?m is from 0.10 mL/g to 1.00 mL/g; requirement (x-2): a median pore diameter of pores with a pore diameter in a range of from 0.01 ?m to 100 ?m is from more than 0.01 ?m to 10.0 ?m; and requirement (x-3): a crushing strength is from 0.7 kgf to 15.0 kgf.Type: GrantFiled: March 28, 2019Date of Patent: September 19, 2023Assignee: MITSUI CHEMICALS, INC.Inventors: Ryo Niishiro, Jun Kawahara, Masami Murakami
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Patent number: 9546231Abstract: In accordance with the present disclosure there is provided a process for preparing a hydrogenated olefin polymer by hydrogenation of a polyoctene; said polyoctene being prepared by reacting a C8-olefin feed comprising an isomeric mixture of an alpha-olefin and a non-alpha olefin monomer in a controlled manner with the help of an ionic catalyst, while controlling at least one condition of the reaction selected from the group of condition consisting of exotherm, contact time of the olefin feed with ionic catalyst and molar ratio of the ionic catalyst to the olefin feed within predetermined ranges to obtain an oligomerized mixture comprising at least one polyoctene and unreacted ionic catalyst.Type: GrantFiled: January 30, 2015Date of Patent: January 17, 2017Assignee: Reliance Industries LimitedInventors: Rajshekhar Ghosh, Ashis Ranjan Bandyopadhyay, Rakshvir Jasra
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Patent number: 9260549Abstract: A resin fine powder which consists of a 4-methyl-1-pentene polymer that exhibits a limiting viscosity [?] of 1.0×10?2 to less than 3.0 dl/g as determined in decalin at 135° C. and which has a median particle diameter [D50] of 1.0×10?1 to 5.0×10 ?m; and a composition which comprises the resin fine powder and at least one sinterable powder selected from the group consisting of metal powders and ceramic powders.Type: GrantFiled: February 8, 2011Date of Patent: February 16, 2016Assignee: MITSUI CHEMICALS, INC.Inventors: Kuniaki Kawabe, Toshiyuki Itou, Mai Kurihara, Kazutoshi Fujihara, Ryouichi Seki
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Patent number: 8597611Abstract: A new family of crystalline aluminosilicate zeolites has been synthesized designated UZM-45. These zeolites are represented by the empirical formula. Mmn+Rrp+Al(1-x)ExSiyOz where M is an alkali, alkaline earth, or rare earth metal such as lithium and strontium, R is an organoammonium cation such as the choline cation and E is a framework element such as gallium. These zeolites are characterized by unique x-ray diffraction patterns and compositions and have catalytic properties for carrying out various hydrocarbon conversion processes.Type: GrantFiled: June 29, 2011Date of Patent: December 3, 2013Assignee: UOP LLCInventors: Gregory J. Lewis, Mark A. Miller
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Publication number: 20130023709Abstract: Metal oxide catalysts comprising various dopants are provided. The catalysts are useful as heterogenous catalysts in a variety of catalytic reactions, for example, the oxidative coupling of methane to C2 hydrocarbons such as ethane and ethylene. Related methods for use and manufacture of the same are also disclosed.Type: ApplicationFiled: May 24, 2012Publication date: January 24, 2013Applicant: SILURIA TECHNOLOGIES, INC.Inventors: Joel M. Cizeron, Erik Scher, Fabio R. Zurcher, Wayne P. Schammel, Greg Nyce, Anja Rumplecker, Jarod McCormick, Marian Alcid, Joel Gamoras, Daniel Rosenberg, Erik-Jan Ras
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Patent number: 8299312Abstract: A process for dimerizing olefins in the presence of a catalyst, a hydrocarbon feedstock containing C4 to C6 isoolefins is subjected to dimerization. The process comprises the steps of contacting the C4 to C6 isoolefins at conditions conducive to dimerization with a catalytic material comprising an acidic mesoporous molecular sieve, the catalytic material being thermally stable at a temperature of at least 900° C., and carrying out the contacting step essentially in the absence of butadiene and water in the feedstock. By means of the invention, the dimerization process can be operated over extended periods of time with prolonged maintenance intervals.Type: GrantFiled: October 26, 2006Date of Patent: October 30, 2012Assignee: Neste Oil OyjInventors: Niilo Oikarinen, Kari I. Keskinen, Antti Pyhälahti, Veli-Matti Purola
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Publication number: 20120190896Abstract: 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): YO2:(p)X2O3:(q)OH?:(r)R:(s)H2O, wherein (p) is in the range from 0.005 to 0.05, (q) is in the range from 0.01 to 3, (r) is in the range from 0.03 to 2 and (s) is in the range from 10 to 75 (based on total weight of said synthesis mixture); wherein the crystals of molecular sieve formed having an average diameter (D) of less than or equal to 1.5 micron and an average thickness (T) of less than or equal to 300 nanometers.Type: ApplicationFiled: August 18, 2010Publication date: July 26, 2012Inventor: MacHteld Maria Wilfried Mertens
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Publication number: 20120010452Abstract: 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.Type: ApplicationFiled: June 1, 2011Publication date: January 12, 2012Applicant: CONOCOPHILLIPS COMPANY - IP SERVICES GROUPInventors: Matthias Dötterl, Helmut Alt, Roland Schmidt
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Patent number: 7867938Abstract: A catalyst precursor composition comprising: a source of chromium, molybdenum or tungsten; a first ligand having the general formula (R1)(R2P—X—P(R3)(R4); and a second ligand having the general formula (R1?)(R2?)P—X?—P(R3?)(R4?). The present invention also relates to a catalyst system comprising the catalyst precursor composition of the present invention and a cocatalyst. The present invention further relates to a process for the trimerization and tetramerization of olefinic monomers, particularly the trimerization and tetramerization of ethylene to 1-hexene and 1-octene, wherein the process comprises contacting at least one olefinic monomer with the catalyst system of the present invention.Type: GrantFiled: November 20, 2006Date of Patent: January 11, 2011Assignee: Shell Oil CompanyInventors: Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Johan Paul Smit, Arie Van Zon
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Hydrocarbon Conversion Processes Using the UZM-27 Family of Crystalline Aluminosilicate Compositions
Publication number: 20100249478Abstract: This invention relates to hydrocarbon conversion processes using a new family of crystalline aluminosilicate compositions designated the UZM-27 family. These include the UZM-27 and UZM-27HS which have unique structures. UZM-27 is a microporous composition which has a three-dimensional structure and is obtained by calcining the as synthesized form designated UZM-27P. UZM-27HS is a high silica version of UZM-27 and includes an essentially pure silica version of UZM-27.Type: ApplicationFiled: June 10, 2010Publication date: September 30, 2010Applicant: UOP LLCInventors: Mark A. Miller, Gregory J. Lewis -
HYDROCARBON CONVERSION PROCESSES USING THE UZM-27 FAMILY OF CRYSTALLINE ALUMINOSILICATE COMPOSITIONS
Publication number: 20100160701Abstract: This invention relates to hydrocarbon conversion processes using a new family of crystalline aluminosilicate compositions designated the UZM-27 family. These include the UZM-27 and UZM-27HS which have unique structures. UZM-27 is a microporous composition which has a three-dimensional structure and is obtained by calcining the as synthesized form designated UZM-27P. UZM-27HS is a high silica version of UZM-27 and includes an essentially pure silica version of UZM-27.Type: ApplicationFiled: December 18, 2008Publication date: June 24, 2010Inventors: Mark A. Miller, Gregory J. Lewis -
Publication number: 20100152510Abstract: This invention relates to hydrocarbon conversion processes using crystalline zeolitic compositions designated the UZM-26 and UZM-26X. UZM-26 is a microporous three-dimensional zeolitic composition that is derived from UZM-26P (an as synthesized layered composition) by calcination. UZM-26X is a microporous three-dimensional zeolitic composition that is derived from UZM-26PX by calcination, where UZM-26PX is an ion-exchanged form of UZM-26P.Type: ApplicationFiled: December 16, 2008Publication date: June 17, 2010Inventors: Mark A Miller, Gregory J. Lewis
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Publication number: 20080306319Abstract: 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.Type: ApplicationFiled: December 12, 2006Publication date: December 11, 2008Applicant: The Queen's University of BelfastInventors: Martyn John Earle, Johanna Karkkainen, Natalia V. Plechkova, Alina Tomaszowska, Kenneth Richard Seddon
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Publication number: 20080194400Abstract: The invention relates to a multi-layer catalyst made from niobium for the catalytic conversion of hydrocarbons, comprising a) a support component made from a doped or undoped oxide or hydroxide of an element of the V sub-group of the periodic table, or mixtures thereof, b) a layer of a promoter compound, selected from oxygen, sulphur or phosphorus compounds of an element of the VI, VII and VIII sub-group or a phosphoxy compound and mixtures thereof and c) a layer comprising a compound of platinum metal. The invention further relates to a method for production of the catalyst and the use thereof.Type: ApplicationFiled: July 12, 2006Publication date: August 14, 2008Inventor: Friedrich Schmidt
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Patent number: 7297832Abstract: The invention describes a process for tetramerisation of olefins wherein the product stream of the process contains more than 30% of the tetramer olefin. The process includes the step of contacting an olefinic feedstream with a catalyst system containing a transition metal compound and a heteroatomic ligand.Type: GrantFiled: December 19, 2003Date of Patent: November 20, 2007Assignee: Sasol Technology (PTY) LimitedInventors: Kevin Blann, Annette Bollmann, John Thomas Dixon, Arno Neveling, David Hedley Morgan, Hulisani Maumela, Esna Killian, Fiona Millicent Hess, Stefanus Otto, Matthew James Overett, Michael James Green
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Patent number: 7161053Abstract: Isobutene in isobutenic hydrocarbon mixtures is oligomerized over a solid acidic ion exchange resin, said acidic ion exchange resin containing, for example, sulfonic acid groups, some of whose protons have been exchanged for metal ions.Type: GrantFiled: August 6, 2003Date of Patent: January 9, 2007Assignee: Oxeno Olefinchemie GmbHInventors: Andreas Beckmann, Franz Nierlich, Udo Peters, Wilfried Büschken, Lothar Kerker, Dietrich Maschmeyer, Dirk Röttger
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Patent number: 7148177Abstract: The invention relates to a process for the preparation of an alkali metal catalyst by mixing an alkali metal with pulverulent, solid potassium carbonate as support, wherein the potassium carbonate has a specific surface area of at least 0.3 m2/g, and to the use thereof for the side-chain alkylation of alkylbenzenes.Type: GrantFiled: December 13, 2000Date of Patent: December 12, 2006Assignee: BASF AktiengesellschaftInventor: Ulrich Steinbrenner
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Patent number: 7002053Abstract: The invention relates to a process for preparing high-purity diisobutene by reaction of isobutene or isobutene-containing hydrocarbon mixtures over a solid acidic ion-exchange resin containing sulfonic acid groups whose protons have been partly replaced by metal ions and to the use of the diisobutene.Type: GrantFiled: December 28, 2001Date of Patent: February 21, 2006Assignee: OXENO Olefinchemie GmbHInventors: Franz Nierlich, Lothar Kerker, Udo Peters, Wilfried Büschken, Andreas Beckmann
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Patent number: 6414207Abstract: A catalyst comprising at least one alkali metal and at least one metallic or semimetallic promoter selected from the group consisting of Ca, Sr, Ba, Ag, Au, Zn, Cd, Hg, In, Tl, Sn, As, Sb and Bi, on a support which may be doped with one or more compounds of an alkali metal and/or alkaline earth metal, where the alkali metal/support ratio by weight is from 0.01 to 5, the promoter/alkali metal ratio by weight is from 0.0001 to 5 and, when a dopant is present, the dopant/support ratio by weight is from 0.01 to 5.Type: GrantFiled: June 20, 2001Date of Patent: July 2, 2002Assignee: BASF AktiengesellschaftInventors: Ulrich Steinbrenner, Eugen Gehrer
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Patent number: 6344594Abstract: Ethylene is trimerized to form 1-hexene, at a selectivity of up to about 99 mole percent, by contacting ethylene, at an ethylene pressure of from about 200-1500 psig and at a reaction temperature of from about 0° C. to about 100° C., with a catalyst comprising a tantalum compound (e.g., TaCl5) and a alkylating component comprising a metal hydrocarbyl compound or a metal hydrocarbyl halide compound (e.g., Sn(CH3)4).Type: GrantFiled: April 14, 2000Date of Patent: February 5, 2002Assignee: The Penn State Research FoundationInventors: Ayusman Sen, Shahid Murtuza, Seth B. Harkins, Cecily Andes
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Publication number: 20010051758Abstract: The present invention relates to a process for dimerizing lower olefins characterized by the use of a catalyst comprising the following three components: (1) at least one salt or complex of a transition metal belonging to the platinum group of the periodic table, (2) at least one organoaluminum compound and (3) at least one inorganic metallic compound.Type: ApplicationFiled: October 8, 1998Publication date: December 13, 2001Inventors: YUKITOSHI FUKUDA, KEIICHI HASHIMOTO, SHOSHIRO MATSUSHITA
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Publication number: 20010044563Abstract: A catalyst comprising at least one alkali metal and at least one metallic or semimetallic promoter selected from the group consisting of Ca, Sr, Ba, Ag, Au, Zn, Cd, Hg, In, Tl, Sn, As, Sb and Bi, on a support which may be doped with one or more compounds of an alkali metal and/or alkaline earth metal, where the alkali metal/support ratio by weight is from 0.01 to 5, the promoter/alkali metal ratio by weight is from 0.0001 to 5 and, when a dopant is present, the dopant/support ratio by weight is from 0.01 to 5.Type: ApplicationFiled: June 20, 2001Publication date: November 22, 2001Inventors: Ulrich Steinbrenner, Eugen Gehrer
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Patent number: 5859303Abstract: A process is provided to trimerize or oligomerize olefins in the presence of an olefin oligomerization catalyst and a solvent which is a product of the olefin oligomerization process.Type: GrantFiled: December 18, 1995Date of Patent: January 12, 1999Assignee: Phillips Petroleum CompanyInventor: Mark E. Lashier
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Patent number: 5705725Abstract: A process is provided comprising: (a) contacting a hydrocarbyl lithium with an alkali metal hydrocarbyloxide in the presence of an aromatic compound; and thereafter (b) recovering an aromatic alkali metal compound; and thereafter (c) contacting said aromatic alkali metal compound with an alpha-olefin. Optionally, a catalytic support is also present during steps a, b, and c.Type: GrantFiled: October 2, 1991Date of Patent: January 6, 1998Assignee: Phillips Petroleum CompanyInventors: Ted M. Pettijohn, Mark E. Lashier, Henry L. Hsieh
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Patent number: 5414178Abstract: A catalyst system composition and a process to prepare a catalyst composition comprising a cobalt compound, a metal alkyl and a coordinating compound is provided. The resultant catalyst system composition can be used to dimerize ethylene with high productivity to butenes and high selectivity to 1-butene.Type: GrantFiled: January 21, 1994Date of Patent: May 9, 1995Assignee: Phillips Petroleum CompanyInventor: An-hsiang Wu
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Patent number: 5243119Abstract: A normal 1-alkene containing 3-8 carbons is dimerized in the presence of a supported alkali metal as a catalyst and about 10-100 mol %, based on the amount of alkali metal catalyst, of an oxide of sodium, potassium, rubidium, and/or cesium as a co-catalyst. In preferred embodiments of the invention, the alkene is propene, the alkali metal is potassium or a potassium alloy, and the co-catalyst is sodium oxide.Type: GrantFiled: November 29, 1990Date of Patent: September 7, 1993Assignee: Ethyl CorporationInventor: R. Scott Smith
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Patent number: 5233114Abstract: A process is provided comprising contacting a hydrocarbyl alkali metal compound with a nitrogen-containing compound in the presence of propylene. Optionally, a catalytic support is used during said contacting. Optionally, at least one other alpha-olefin is present during said contacting.In another embodiment a process is provided comprising: (a) contacting a hydrocarbyl alkali metal compound with a nitrogen-containing compound in the presence of propylene; and thereafter (b) recovering an allyl/alkali metal/nitrogen complex; and thereafter (c) contacting said allyl/alkali metal/nitrogen complex with at least one alpha-olefin. Optionally, a catalytic support is present during steps a, b, and c.Type: GrantFiled: November 22, 1991Date of Patent: August 3, 1993Assignee: Phillips Petroleum CompanyInventors: Ted M. Pettijohn, Mark E. Lashier, Henry L. Hsieh
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Patent number: 5210361Abstract: A process is provided comprising contacting a hydrocarbyl lithium with an alkali metal hydrocarbyloxide in the presence of propylene. Optionally, a catalytic support is used during said contacting. Optionally, at least one other alpha-olefin is present during said contacting.In another embodiment a process is provided comprising: (a) contacting a hydrocarbyl lithium with an alkali metal hydrocarbyloxide in the presence of propylene; and thereafter (b) recovering an allyl alkali metal compound; and thereafter (c) contacting said allyl alkali metal compound with at least one alpha-olefin. Optionally, a catalytic support is also used during steps a, b, and c.Type: GrantFiled: October 1, 1991Date of Patent: May 11, 1993Assignee: Phillips Petroleum CompanyInventors: Mark E. Lashier, Mark E. Lashier, Henry L. Hsieh
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Patent number: 5202298Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, and dimerization process therewith are provided catalyst supports are extruded from a thick paste of potassium carbonate and water catalyst systems comprise at least one elemental alkali metal deposited on the catalyst sypport. Optionally, the catalyst system further comprises at least one promoter.Type: GrantFiled: December 5, 1990Date of Patent: April 13, 1993Assignee: Phillips Petroleum CompanyInventors: Paul F. Schubert, Ralph E. Bonnell, Norman L. Freeman, Jr., Denton C. Fentress, Kent E. Mitchell, Richard E. Lowrey, Donald H. Kubicek, Warren M. Ewert
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Patent number: 5132483Abstract: A process is provided which comprises: (a) contacting at least one olefinic compound with an alkali metal/alkali metal carbonate catalyst system at a temperature below the dimerization temperature range of the dimerization reaction; followed by (b) heating said olefin compound and said alkali metal carbonate catalyst system to a temperature in said dimerization temperature range.Type: GrantFiled: September 26, 1991Date of Patent: July 21, 1992Assignee: Phillips Petroleum CompanyInventor: Paul F. Schubert
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Patent number: 5118902Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from alkali metal carbonate, at least one low surface area silica-alumina, and a liquid. Catalyst systems comprised of at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises of at least one promoter.Type: GrantFiled: September 9, 1991Date of Patent: June 2, 1992Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 5118901Abstract: Catalyst systems containing a catalyst and catalyst support are presented. The catalyst comprises elemental alkali metal and a metal oxide where the metal in the oxide comes from the lanthanide series. Optionally, a promoter is included in the catalyst. The catalyst support comprises an alkali metal carbonate with optionally a carbonaceous compound. This catalyst system can be used to reduce isomerization losses associated with the production of higher alpha-olefins from lower alpha-olefins.Type: GrantFiled: June 17, 1991Date of Patent: June 2, 1992Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 5105048Abstract: This invention concerns catalyst systems for olefin dimerization wherein said catalyst system comprises at least one elemental alkali metal catalyst, supported on an alkali metal carbonate support, wherein said support includes an inorganic nitrate. This invention further concerns processes for the dimerization of olefins. The catalytic support can optionally comprise a carbonaceous compound(s), an inorganic oxide(s), or a mixture thereof. Furthermore, the catalyst system optionally can comprise at least one promoter selected from the group consisting of elemental copper, elemental cobalt, finely divided stainless steel, finely divided glass, or mixtures thereof.Type: GrantFiled: April 19, 1990Date of Patent: April 14, 1992Assignee: Phillips Petroleum CompanyInventor: Charles A. Brake
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Patent number: 5105049Abstract: Olefin dimerization process comprises catalyst systems and supports. Catalyst supports are prepared from extruding alkali metal carbonate and a liquid. Optionally, the extruded catalyst support further comprises a carbonaceous compound. Catalyst systems comprise at least one elemental alkali metal deposited on the extruded catalyst support. Optionally, the catalyst system further comprises of at least one promotor. A hydrided catalyst system is prepared by contacting the catalyst system with hydrogen to reduce the dimerization induction period.Type: GrantFiled: August 8, 1991Date of Patent: April 14, 1992Assignee: Phillips Petroleum CompanyInventor: Lori G. Hasselbring
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Patent number: 5105050Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from alkali metal bicarbonate, a liquid, and optionally alkali metal carbonate. Optionally, the catalyst support further comprises a carbonaceous compound. Catalyst systems comprise at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises at least one promoter.Type: GrantFiled: July 25, 1991Date of Patent: April 14, 1992Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 5095161Abstract: Methane is upgraded to higher molecular weight hydrocarbons in a process using a novel catalyst comprising oxides of boron, tin and zinc. The feed admixture also comprises oxygen. The novel catalyst may comprise one or more Group I-A or II-A elements, preferably potassium and is characterized by its method of manufacture.Type: GrantFiled: August 6, 1990Date of Patent: March 10, 1992Assignee: UOPInventors: Hayim Abrevaya, Tamotsu Imai, Lisa M. Lane
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Patent number: 5081094Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from alkali metal bicarbonate, a liquid, and optionally alkali metal carbonate. Optionally, the catalyst support further comprises a carbonaceous compound. Catalyst systems comprise at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises of at least one promoter.Type: GrantFiled: August 10, 1990Date of Patent: January 14, 1992Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 5073664Abstract: Propane is dimerized to 2,3-dimethylbutane with barium peroxide oxidizer.Type: GrantFiled: March 11, 1991Date of Patent: December 17, 1991Assignee: Sun Refining and Marketing CompanyInventors: Vincent A. Durante, James E. Lyons
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Patent number: 5068488Abstract: A process for ethylating detergent-range olefins which comprises contacting a detergent-range olefin with ethylene in the presence of a catalyst prepared by impregnating a porous alumina support with a metal compound decomposable to an oxide upon calcination wherein said metal is selected from the group consisting of potassium, rubidium, cesium and mixtures thereof, and subsequently calcining the resulting material at a temperature of from about 450.degree. C. to about 750.degree. C.Type: GrantFiled: May 2, 1990Date of Patent: November 26, 1991Assignee: Shell Oil CompanyInventor: Lynn H. Slaugh
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Patent number: 5063191Abstract: Catalyst systems containing a catalyst and catalyst support are presented. The catalyst comprises elemental alkali metal and a metal oxide where the metal in the oxide comes from the lanthanide series. Optionally, a promoter is included in the catalyst. The catalyst support comprises an alkali metal carbonate with optionally a carbonaceous compound. This catalyst system can be used to reduce isomerization losses associated with the production of higher alpha-olefins from lower alpha-olefins.Type: GrantFiled: September 17, 1990Date of Patent: November 5, 1991Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 5057639Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from potassium carbonate, sodium carbonate, an aluminum-containing compound, and water. Catalyst systems comprise of at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises of at least one promoter.Type: GrantFiled: November 13, 1990Date of Patent: October 15, 1991Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 5004857Abstract: A method for continuously producing a liquid low molecular weight polymer of conjugated diolefin having a number average molecular weight of 300 to 10000. The method comprises the step of continuously polymerizing or copolymerizing conjugated diolefin in an inert hydrocarbon solvent at a temperature of 40.degree. to 70.degree. C. with maintaining the quantity of dissolved oxygen in the reaction system at 1 ppm or below and in the presence of a polymerization catalyst of an organic sodium compound and a chain transfer agent of an alkylaryl compound.Type: GrantFiled: November 3, 1988Date of Patent: April 2, 1991Assignee: Nippon Petrochemicals Company, LimitedInventors: Shoji Iida, Kazuo Miyazaki, Nobuyuki Takizawa
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Patent number: 4996383Abstract: In processes for dimerization of olefins in the presence of potassium catalysts, plugging of the catalyst bed may be avoided by purging with certain aliphatic hydrocarbons.Type: GrantFiled: March 26, 1990Date of Patent: February 26, 1991Assignee: Phillips Petroleum CompanyInventors: Jeffrey R. Burkinshaw, Leo L. Gingerich
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Patent number: 4988658Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from potassium carbonate, sodium carbonate, an alumina-containing compound, and water. Catalyst systems comprise of at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises of at least one promoter.Type: GrantFiled: July 17, 1989Date of Patent: January 29, 1991Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4982043Abstract: Catalyst systems, methods to improve a catalyst system, and dimerization processes therewith are provided. Catalyst systems which comprise at least one elemental alkali metal supported on an alkali metal carbonate catalyst support, are contacted with a liquid organic solvent in order to improve the isomer ratio of the desired reaction product(s) to undesired product(s).Type: GrantFiled: March 20, 1989Date of Patent: January 1, 1991Assignee: Phillips Petroleum CompanyInventor: Lori C. Hasselbring
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Patent number: 4982044Abstract: A normal 1-alkene containing 3-8 carbons is coupled with itself, another such alkene, or ethene in the presence of a supported alkali metal as a catalyst and about 10-100 mol %, based on the amount of alkali metal catalyst, of an alkali metal hydroxide as a co-catalyst; the support being a silica having a surface area not greater than 5 m.sup.2 /g. In preferred embodiments of the invention, the alkene is propene or a mixture of propene and ethene, the alkali metal is potassium or a potassium alloy, and the co-catalyst is potassium hydroxide.Type: GrantFiled: June 30, 1989Date of Patent: January 1, 1991Assignee: Ethyl CorporationInventor: R. Scott Smith
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Patent number: 4952741Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, and dimerization process therewith are provided. Catalyst systems comprise at least one elemental alkali metal and at least one paraffinic material deposited on an alkali metal carbonate catalyst support. Optionally, the catalyst system further comprises at least one promoter and at least one carbonaceous compound.Type: GrantFiled: January 16, 1990Date of Patent: August 28, 1990Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4950632Abstract: This invention concerns catalyst systems for olefin dimerization wherein said catalyst system comprises at least one elemental alkali metal catalyst, supported on an alkali metal carbonate support, wherein said support includes an inorganic nitrate. This invention further concerns processes for the dimerization of olefins. The catalytic support can optionally comprise a carbonaceous compound(s), an inorganic oxide(s), or a mixture thereof. Furthermore, the catalyst system optionally can comprise at least one promoter selected from the group consisting of elemental copper, elemental cobalt, finely divided stainless steel, finely divided glass, or mixtures thereof.Type: GrantFiled: July 5, 1989Date of Patent: August 21, 1990Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4939313Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, and dimerization process therewith are provided catalyst supports are prepared from an alkali metal carbonate, water, water soluble ketone and optionally at least one carbonaceous compound. Catalyst systems comprise at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises at least one promoter.Type: GrantFiled: November 3, 1989Date of Patent: July 3, 1990Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4912280Abstract: Olefins with between 4 and 24 and preferably between 10 and 20 carbon atoms are selectively dimerized by using zeolite catalysts in acid form which are partially exchanged with salts of metals having a valency of two or more.Type: GrantFiled: September 11, 1987Date of Patent: March 27, 1990Assignees: Enricerche S.p.A., Enichem Augusta S.p.A.Inventor: Mario G. Clerici