Using Alkali Metal-containing Catalyst Patents (Class 585/516)
  • Patent number: 11759768
    Abstract: 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: Grant
    Filed: March 28, 2019
    Date of Patent: September 19, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Ryo Niishiro, Jun Kawahara, Masami Murakami
  • Patent number: 9546231
    Abstract: 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: Grant
    Filed: January 30, 2015
    Date of Patent: January 17, 2017
    Assignee: Reliance Industries Limited
    Inventors: Rajshekhar Ghosh, Ashis Ranjan Bandyopadhyay, Rakshvir Jasra
  • Patent number: 9260549
    Abstract: 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: Grant
    Filed: February 8, 2011
    Date of Patent: February 16, 2016
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kuniaki Kawabe, Toshiyuki Itou, Mai Kurihara, Kazutoshi Fujihara, Ryouichi Seki
  • Patent number: 8597611
    Abstract: 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: Grant
    Filed: June 29, 2011
    Date of Patent: December 3, 2013
    Assignee: UOP LLC
    Inventors: Gregory J. Lewis, Mark A. Miller
  • Publication number: 20130023709
    Abstract: 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: Application
    Filed: May 24, 2012
    Publication date: January 24, 2013
    Applicant: 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
  • Patent number: 8299312
    Abstract: 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: Grant
    Filed: October 26, 2006
    Date of Patent: October 30, 2012
    Assignee: Neste Oil Oyj
    Inventors: Niilo Oikarinen, Kari I. Keskinen, Antti Pyhälahti, Veli-Matti Purola
  • Publication number: 20120190896
    Abstract: 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: Application
    Filed: August 18, 2010
    Publication date: July 26, 2012
    Inventor: MacHteld Maria Wilfried Mertens
  • Publication number: 20120010452
    Abstract: 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: Application
    Filed: June 1, 2011
    Publication date: January 12, 2012
    Applicant: CONOCOPHILLIPS COMPANY - IP SERVICES GROUP
    Inventors: Matthias Dötterl, Helmut Alt, Roland Schmidt
  • Patent number: 7867938
    Abstract: 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: Grant
    Filed: November 20, 2006
    Date of Patent: January 11, 2011
    Assignee: Shell Oil Company
    Inventors: Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Johan Paul Smit, Arie Van Zon
  • Publication number: 20100249478
    Abstract: 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: Application
    Filed: June 10, 2010
    Publication date: September 30, 2010
    Applicant: UOP LLC
    Inventors: Mark A. Miller, Gregory J. Lewis
  • Publication number: 20100160701
    Abstract: 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: Application
    Filed: December 18, 2008
    Publication date: June 24, 2010
    Inventors: Mark A. Miller, Gregory J. Lewis
  • Publication number: 20100152510
    Abstract: 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: Application
    Filed: December 16, 2008
    Publication date: June 17, 2010
    Inventors: Mark A Miller, Gregory J. Lewis
  • Publication number: 20080306319
    Abstract: 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: Application
    Filed: December 12, 2006
    Publication date: December 11, 2008
    Applicant: The Queen's University of Belfast
    Inventors: Martyn John Earle, Johanna Karkkainen, Natalia V. Plechkova, Alina Tomaszowska, Kenneth Richard Seddon
  • Publication number: 20080194400
    Abstract: 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: Application
    Filed: July 12, 2006
    Publication date: August 14, 2008
    Inventor: Friedrich Schmidt
  • Patent number: 7297832
    Abstract: 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: Grant
    Filed: December 19, 2003
    Date of Patent: November 20, 2007
    Assignee: Sasol Technology (PTY) Limited
    Inventors: 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
  • Patent number: 7161053
    Abstract: 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: Grant
    Filed: August 6, 2003
    Date of Patent: January 9, 2007
    Assignee: Oxeno Olefinchemie GmbH
    Inventors: Andreas Beckmann, Franz Nierlich, Udo Peters, Wilfried Büschken, Lothar Kerker, Dietrich Maschmeyer, Dirk Röttger
  • Patent number: 7148177
    Abstract: 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: Grant
    Filed: December 13, 2000
    Date of Patent: December 12, 2006
    Assignee: BASF Aktiengesellschaft
    Inventor: Ulrich Steinbrenner
  • Patent number: 7002053
    Abstract: 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: Grant
    Filed: December 28, 2001
    Date of Patent: February 21, 2006
    Assignee: OXENO Olefinchemie GmbH
    Inventors: Franz Nierlich, Lothar Kerker, Udo Peters, Wilfried Büschken, Andreas Beckmann
  • Patent number: 6414207
    Abstract: 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: Grant
    Filed: June 20, 2001
    Date of Patent: July 2, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Steinbrenner, Eugen Gehrer
  • Patent number: 6344594
    Abstract: 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: Grant
    Filed: April 14, 2000
    Date of Patent: February 5, 2002
    Assignee: The Penn State Research Foundation
    Inventors: Ayusman Sen, Shahid Murtuza, Seth B. Harkins, Cecily Andes
  • Publication number: 20010051758
    Abstract: 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: Application
    Filed: October 8, 1998
    Publication date: December 13, 2001
    Inventors: YUKITOSHI FUKUDA, KEIICHI HASHIMOTO, SHOSHIRO MATSUSHITA
  • Publication number: 20010044563
    Abstract: 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: Application
    Filed: June 20, 2001
    Publication date: November 22, 2001
    Inventors: Ulrich Steinbrenner, Eugen Gehrer
  • Patent number: 5859303
    Abstract: 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: Grant
    Filed: December 18, 1995
    Date of Patent: January 12, 1999
    Assignee: Phillips Petroleum Company
    Inventor: Mark E. Lashier
  • Patent number: 5705725
    Abstract: 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: Grant
    Filed: October 2, 1991
    Date of Patent: January 6, 1998
    Assignee: Phillips Petroleum Company
    Inventors: Ted M. Pettijohn, Mark E. Lashier, Henry L. Hsieh
  • Patent number: 5414178
    Abstract: 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: Grant
    Filed: January 21, 1994
    Date of Patent: May 9, 1995
    Assignee: Phillips Petroleum Company
    Inventor: An-hsiang Wu
  • Patent number: 5243119
    Abstract: 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: Grant
    Filed: November 29, 1990
    Date of Patent: September 7, 1993
    Assignee: Ethyl Corporation
    Inventor: R. Scott Smith
  • Patent number: 5233114
    Abstract: 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: Grant
    Filed: November 22, 1991
    Date of Patent: August 3, 1993
    Assignee: Phillips Petroleum Company
    Inventors: Ted M. Pettijohn, Mark E. Lashier, Henry L. Hsieh
  • Patent number: 5210361
    Abstract: 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: Grant
    Filed: October 1, 1991
    Date of Patent: May 11, 1993
    Assignee: Phillips Petroleum Company
    Inventors: Mark E. Lashier, Mark E. Lashier, Henry L. Hsieh
  • Patent number: 5202298
    Abstract: 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: Grant
    Filed: December 5, 1990
    Date of Patent: April 13, 1993
    Assignee: Phillips Petroleum Company
    Inventors: 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
  • Patent number: 5132483
    Abstract: 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: Grant
    Filed: September 26, 1991
    Date of Patent: July 21, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Paul F. Schubert
  • Patent number: 5118902
    Abstract: 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: Grant
    Filed: September 9, 1991
    Date of Patent: June 2, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 5118901
    Abstract: 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: Grant
    Filed: June 17, 1991
    Date of Patent: June 2, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 5105050
    Abstract: 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: Grant
    Filed: July 25, 1991
    Date of Patent: April 14, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 5105048
    Abstract: 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: Grant
    Filed: April 19, 1990
    Date of Patent: April 14, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Brake
  • Patent number: 5105049
    Abstract: 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: Grant
    Filed: August 8, 1991
    Date of Patent: April 14, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Lori G. Hasselbring
  • Patent number: 5095161
    Abstract: 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: Grant
    Filed: August 6, 1990
    Date of Patent: March 10, 1992
    Assignee: UOP
    Inventors: Hayim Abrevaya, Tamotsu Imai, Lisa M. Lane
  • Patent number: 5081094
    Abstract: 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: Grant
    Filed: August 10, 1990
    Date of Patent: January 14, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 5073664
    Abstract: Propane is dimerized to 2,3-dimethylbutane with barium peroxide oxidizer.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: December 17, 1991
    Assignee: Sun Refining and Marketing Company
    Inventors: Vincent A. Durante, James E. Lyons
  • Patent number: 5068488
    Abstract: 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: Grant
    Filed: May 2, 1990
    Date of Patent: November 26, 1991
    Assignee: Shell Oil Company
    Inventor: Lynn H. Slaugh
  • Patent number: 5063191
    Abstract: 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: Grant
    Filed: September 17, 1990
    Date of Patent: November 5, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 5057639
    Abstract: 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: Grant
    Filed: November 13, 1990
    Date of Patent: October 15, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 5004857
    Abstract: 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: Grant
    Filed: November 3, 1988
    Date of Patent: April 2, 1991
    Assignee: Nippon Petrochemicals Company, Limited
    Inventors: Shoji Iida, Kazuo Miyazaki, Nobuyuki Takizawa
  • Patent number: 4996383
    Abstract: 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: Grant
    Filed: March 26, 1990
    Date of Patent: February 26, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Jeffrey R. Burkinshaw, Leo L. Gingerich
  • Patent number: 4988658
    Abstract: 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: Grant
    Filed: July 17, 1989
    Date of Patent: January 29, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 4982044
    Abstract: 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: Grant
    Filed: June 30, 1989
    Date of Patent: January 1, 1991
    Assignee: Ethyl Corporation
    Inventor: R. Scott Smith
  • Patent number: 4982043
    Abstract: 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: Grant
    Filed: March 20, 1989
    Date of Patent: January 1, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Lori C. Hasselbring
  • Patent number: 4952741
    Abstract: 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: Grant
    Filed: January 16, 1990
    Date of Patent: August 28, 1990
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 4950632
    Abstract: 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: Grant
    Filed: July 5, 1989
    Date of Patent: August 21, 1990
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 4939313
    Abstract: 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: Grant
    Filed: November 3, 1989
    Date of Patent: July 3, 1990
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Patent number: 4912280
    Abstract: 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: Grant
    Filed: September 11, 1987
    Date of Patent: March 27, 1990
    Assignees: Enricerche S.p.A., Enichem Augusta S.p.A.
    Inventor: Mario G. Clerici