Using Alkali Metal-containing Catalyst Patents (Class 585/516)
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Patent number: 4906600Abstract: 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: August 17, 1988Date of Patent: March 6, 1990Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4895819Abstract: 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 depositd on the catalyst support. Optionally, the catalyst system further comprises at least one promoter.Type: GrantFiled: July 18, 1988Date of Patent: January 23, 1990Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4876410Abstract: 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, alcohol, 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 14, 1988Date of Patent: October 24, 1989Assignee: Phillips Petroleum CompanyInventors: Warren M. Ewert, Donald H. Kubicek, Charles A. Drake
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Patent number: 4835330Abstract: Catalysts and processes for the dimerization or co-dimerization of dimerizable olefins are provided. The catalysts comprise at least one elemental alkali metal and a finely divided glass promoter on an alkali metal carbonate support. Optionally, the support may also contain a carbonaceous component, an inorganic metal oxide or stainless steel. The finely divided glass promoter may be combined with finely divided stainless steel, elemental copper, or elemental cobalt.Type: GrantFiled: April 25, 1988Date of Patent: May 30, 1989Assignee: Phillips Petroleum CompanyInventors: Charles A. Drake, Donald H. Kubicek
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Patent number: 4795842Abstract: The invention relates to the conversion of methane to higher hydrocarbons by contact with a solid oxidative synthesizing agent, the specific improvement being the addition to the reaction system of one or more components of the oxidative synthesizing agent which are lost during the reaction.Type: GrantFiled: August 4, 1987Date of Patent: January 3, 1989Assignee: Atlantic Richfield CompanyInventors: Anne M. Gaffney, C. Andrew Jones, John A. Sofranko
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Patent number: 4727213Abstract: Catalyst supports, catalysts, method for the preparation thereof, and dimerization processes therewith are provided. Catalyst supports consist essentially of alkaline earth aluminate-containing potassium carbonate with at least one carbonaceous compound and having a crush strength of at least 5 pounds. Catalysts consist essentially of at least one elemental alkali metal deposited on the novel catalyst supports. Optionally, the catalysts further contain at least one promoter selected from the group consisting of elemental copper, elemental cobalt, and finely divided stainless steel.Type: GrantFiled: January 8, 1987Date of Patent: February 23, 1988Assignee: Phillips Petroleum CompanyInventors: Charles A. Drake, Donald H. Kubicek
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Patent number: 4713424Abstract: A continuous, liquid phase method for producing a polymer having a predetermined number of conjugated diene units per molecule in which (a) a first monomer stream is contacted with an organo-lithium compound, in a manner to intimately mix increments of monomer, containing the predetermined number of moles of conjugated diene, with each mole of organo-lithium and continuously mix and move the mixture through a first, elongated reaction zone to react the predetermined number of moles of conjugated diene with one mole of organo-lithium, (b) mixing the effluent from (a) with an alkyl-substituted aromatic hydrocarbon, an organo-alkali metal of potassium, rubidium or cesium and a tertiary amine to form a complex-initiator of the aromatic hydrocarbon, the alkali metal and the amine, (c) mixing the effluent from (b) with a second stream of monomer, in a manner to intimately mix increments of monomer, containing the predetermined number of moles of conjugated diene, with each mole of complex-initiator and continuouslyType: GrantFiled: November 5, 1984Date of Patent: December 15, 1987Assignee: Phillips Petroleum CompanyInventor: Ronald E. Brown
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Patent number: 4687877Abstract: A process for the dimerization of propylene or a C.sub.4 olefin or the codimerization of ethylene with propylene or a C.sub.4 olefin comprising passing the olefin(s) in contact with a catalyst comprising (a) elemental potassium and (b) elemental copper, and (c) an alpha-alumina support therefor, wherein:(i) the potassium is present in the catalyst in an amount in the range of about 0.25 to about 30 percent by weight based on the weight of the catalyst;(ii) the ratio of copper to potassium, by weight, is in the range of about 0.1 to one to about 5 to one; and(iii) the process is carried out at a temperature in the range of about 75.degree. C. to about 225.degree. C. and at a pressure in the range of about atmospheric pressure to about 10,000 psig.Type: GrantFiled: June 30, 1986Date of Patent: August 18, 1987Assignee: Union Carbide CorporationInventors: William J. Bartley, Werner C. von Dohlen, deceased
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Patent number: 4661466Abstract: Catalyst supports, catalysts, method for the preparation thereof, and dimerization processes therewith are provided. Catalyst supports consist essentially of alkaline earth aluminate-containing potassium carbonate with at least one carbonaceous compound and having a crush strength of at least 5 pounds. Catalysts consist essentially of at least one elemental alkali metal deposited on the novel catalyst supports. Optionally, the catalysts further contain at least one promoter selected from the group consisting of elemental copper, elemental cobalt, and finely divided stainless steel.Type: GrantFiled: December 23, 1985Date of Patent: April 28, 1987Assignee: Phillips Petroleum CompanyInventors: Charles A. Drake, Donald H. Kubicek
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Patent number: 4607130Abstract: This invention relates to acid catalysis of organic compound feedstock, e.g. conversion of olefins and/or paraffins to higher hydrocarbons, over catalyst material treated in a special way for increasing the acid catalytic activity thereof. In particular, a novel catalyst activation process is followed to enhance the alpha value of high-silica zeolite catalyst by contact with an ammoniacal solution of an alkali metal aluminate under appropriate conditions of time, temperature and pH.Type: GrantFiled: October 15, 1985Date of Patent: August 19, 1986Assignee: Mobil Oil CorporationInventors: Clarence D. Chang, Joseph N. Miale
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Patent number: 4605805Abstract: Substitution of aluminum or gallium for boron or iron contained in the framework of a high silica content zeolite is effected by treating the zeolite in liquid water in the presence of a compound of aluminum or gallium. Catalyst comprising the treated zeolite is used for conducting acid-catalyzed reactions of organic compounds, e.g. olefin/paraffin conversion.Type: GrantFiled: October 15, 1985Date of Patent: August 12, 1986Assignee: Mobil Oil CorporationInventors: Clarence D. Chang, Joseph N. Miale
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Patent number: 4604493Abstract: The invention provides a novel compound 1-cyclohexyl-1,4-dimethyl decahydronaphthalene which is useful as fluids for traction drive. The compound can be synthesized by the hydrogenation of 1,4-dimethyl-4-phenyl-1,2,3,4-tetrahydronaphthalene and analytical results for the identification of the compound are given.Type: GrantFiled: October 8, 1985Date of Patent: August 5, 1986Assignee: Idemitsu Kosan Company LimitedInventors: Nobuaki Shimizu, Toshiyuki Tsubouchi, Hitoshi Hata
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Patent number: 4604492Abstract: The invention provides a novel class of compounds dicyclohexylcyclopentanes or, in particular, 1,3-dicyclohexyl-1-methyl cyclopentane which is synthesized by the hydrogenation of 1-methyl-1,3-diphenyl cyclopentane which in turn is obtained by the dimerization reaction of .alpha.-methylstyrene in the presence of metallic sodium as the catalyst. The compound is useful as a fluid for traction drive.Type: GrantFiled: October 8, 1985Date of Patent: August 5, 1986Assignee: Idemitsu Kosan Company LimitedInventors: Nobuaki Shimizu, Toshiyuki Tsubouchi, Hitoshi Hata
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Patent number: 4595787Abstract: Catalyst supports, catalysts, method for the preparation thereof, and dimerization processes therewith are provided. Catalyst supports consist essentially of potassium carbonate with a crush strength of at least 5 pounds and at least one carbonaceous compound. Catalysts consist essentially of at least one elemental alkali metal deposited on the novel catalyst supports. Optionally, the catalysts further consist essentially of at least one promoter selected from the group consisting of elemental copper, elemental cobalt, and finely divided stainless steel.Type: GrantFiled: June 24, 1985Date of Patent: June 17, 1986Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4544790Abstract: Catalysts and proceses for the dimerization or co-dimerization of dimerizable olefins are provided. Catalysts consist essentially of at least one elemental alkali metal on one of several potassium carbonate-containing supports optionally in the presence of at least one promoter selected from the group consisting of elemental copper, elemental cobalt and finely divided stainless steel.Type: GrantFiled: July 26, 1984Date of Patent: October 1, 1985Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4533781Abstract: A process for preparing 4-methyl-1-pentene comprising dimerizing propylene in the presence of a catalyst, characterized in that the catalyst is composed from the treatment of precatalyst by at least one oxygen-containing compound selected from oxygen, alcohols, ethers, acetals, orthocarboxylates and esters. The precatalyst is composed of element or compound selected from sodium, potassium, sodium amide and potassium amide supported on a carrier principally represented by the following formula (1):K.sub.2 O.xAl.sub.2 O.sub.3 (1)wherein x has a value in the range of 0.5.ltoreq.x.ltoreq.11. In one embodiment, the precatalyst is hydogenated prior to the use thereof.The use of above mentioned catalyst so remarkably increases the rate of reaction and the selectivity of 4-methyl-1-pentene and allows the reaction rate and selectivity to be kept high for a long period of time.Type: GrantFiled: October 26, 1984Date of Patent: August 6, 1985Assignee: Nippon Oil Company, Ltd.Inventors: Mitsuo Matsuno, Michio Kudoh, Hiroshuke Imai
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Patent number: 4520126Abstract: A catalyst composition consisting essentially of a molded article comprising an anhydrous inorganic potassium compound and metallic sodium and metallic potassium dispersed on the surface of the molded article, said molded article further containing 0.7 to 3% by weight, based on the weight of the inorganic potassium compound, of elemental carbon, the atomic ratio of metallic sodium to metallic potassium being in the range of from 20:80 to 90:10. This catalyst composition is useful for the dimerization or codimerization of alpha-olefins.Type: GrantFiled: December 28, 1982Date of Patent: May 28, 1985Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Keiji Kawamoto, Keigo Kato, Takahiro Aida
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Patent number: 4450310Abstract: A methane conversion process is provided for the production of olefins and hydrogen comprising contacting methane in the absence of oxygen and in the absence of water at a reaction temperature of at least 500.degree. C. with a catalyst comprising the mixed oxides of a first metal selected from lithium, sodium, potassium, rubidium, cesium and mixtures thereof, a second metal selected from beryllium, magnesium, calcium, strontium, barium, and mixtures thereof, and optionally a promoter metal selected from copper, rhenium, tungsten, zirconium, rhodium, and mixtures thereof.Type: GrantFiled: March 4, 1983Date of Patent: May 22, 1984Assignee: The Standard Oil CompanyInventors: Joseph R. Fox, Benedict S. Curatolo, Frederick A. Pesa
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Patent number: 4388480Abstract: A process for preparing 4-methyl-1-pentene comprising dimerizing propylene in the presence of a catalyst, characterized in that the catalyst is composed of sodium and/or sodium amide supported on a carrier represented by the following formula K.sub.2 O.xAl.sub.2 O.sub.3 wherein x has a value in the range of 0.5.ltoreq..times..ltoreq.11. In one embodiment, the catalyst is hydrogenated prior to the use thereof.Type: GrantFiled: January 7, 1982Date of Patent: June 14, 1983Assignee: Nippon Oil Co., Ltd.Inventors: Hirosuke Imai, Mitsuo Matsuno, Michio Kudoh
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Patent number: 4179580Abstract: A process for increasing the reaction rate of condensation reactions which occur between non-conjugated non-aromatic olefinically unsaturated hydrocarbons and active hydrogen-containing organic compounds in the presence of alkali metal comprising carrying out the reaction in the presence of titanium metal.Type: GrantFiled: May 11, 1978Date of Patent: December 18, 1979Assignee: Phillips Petroleum CompanyInventor: Raymond L. Cobb