Patents by Inventor James V. Kennedy
James V. Kennedy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5260240Abstract: A process is disclosed for passivating the reactivity of contaminant metals, such as nickel and vanadium, which have been deposited on a catalytic cracking catalyst, by adding to the cracking catalyst a mixture of a calcium-containing material and a magnesium-containing material in a separate reactor in the presence of steam. The preferred calcium-containing material is dolomite and the preferred magnesium-containing material is sepiolite. It is also preferred to include antimony and/or bismuth compounds in the additive mixture.Type: GrantFiled: December 9, 1991Date of Patent: November 9, 1993Assignee: Chevron Research and Technology CompanyInventors: Charles F. Guthrie, Lawrence W. Jossens, James V. Kennedy, John A. Paraskos
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Patent number: 5120425Abstract: A crystalline zeolite SSZ-33 is prepared using a quaternary ion as a template wherein said zeolite is used in hydrocarbon conversion processes.Type: GrantFiled: May 18, 1990Date of Patent: June 9, 1992Assignee: Chevron Research CompanyInventors: Stacey I. Zones, Dennis L. Holtermann, Donald S. Santilli, Lawrence W. Jossens, James V. Kennedy, Andrew Rainis
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Patent number: 5071807Abstract: A composition useful for processing hydrocarbonaceous feedstocks is disclosed comprising a mixture of a calcium/magnesium-containing material and a magnesium-containing material. The preferred calcium/magnesium-containing material is dolomite and the preferred magnesium-containing material is sepiolite.Type: GrantFiled: September 27, 1990Date of Patent: December 10, 1991Assignee: Chevron Research CompanyInventors: James V. Kennedy, Lawrence W. Jossens
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Patent number: 5002653Abstract: A catalytic cracking process is disclosed employing a dual component cracking catalyst system comprising zeolite as a first component and a mixture of a calcium/magnesium-containing material and a magnesium-containing material as a second component. The preferred calcium/magnesium-containing material is dolomite and the preferred magnesium-containing material is sepiolite.Type: GrantFiled: December 29, 1989Date of Patent: March 26, 1991Assignee: Chevron Research CompanyInventors: James V. Kennedy, Lawrence W. Jossens
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Patent number: 4988654Abstract: A dual component cracking catalyst system is disclosed comprising zeolite as a first component and a mixture of a calcium/magnesium-containing material and a magnesium-containing material as a second component. The preferred calcium/magnesium-containing material is dolomite and the preferred magnesium-containing material is sepiolite.Type: GrantFiled: December 29, 1989Date of Patent: January 29, 1991Assignee: Chevron Research CompanyInventors: James V. Kennedy, Lawrence W. Jossens
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Patent number: 4944865Abstract: A process for cracking high metals content feedstocks which comprises contacting said feedstocks under catalytic cracking conditions with a novel catalytic cracking composition comprising a solid cracking catalyst and a magnesium oxide diluent.Type: GrantFiled: September 19, 1986Date of Patent: July 31, 1990Assignee: Chevron Research CompanyInventors: Mario L. Occelli, James V. Kennedy
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Patent number: 4650564Abstract: A process for cracking high metals content feedstocks which comprises contacting said feedstocks under catalytic cracking conditions with a novel catalytic cracking composition comprising a solid cracking catalyst and an alumina diluent.Type: GrantFiled: September 17, 1984Date of Patent: March 17, 1987Assignee: Gulf Research & Development CompanyInventors: Mario L. Occelli, James V. Kennedy
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Patent number: 4465779Abstract: A novel catalytic cracking composition comprising a solid cracking catalyst and a diluent containing a selected magnesium compound or a selected magnesium compound in combination with one or more heat-stable metal compounds.Type: GrantFiled: May 6, 1982Date of Patent: August 14, 1984Assignee: Gulf Research & Development CompanyInventors: Mario L. Occelli, James V. Kennedy
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Patent number: 4465588Abstract: A process for cracking high metals content feedstocks which comprises contacting said charge stock under catalytic cracking conditions with a novel catalytic cracking composition comprising a solid cracking catalyst and a diluent containing a selected magnesium compound or a selected magnesium compound in combination with one or more heat-stable metal compounds.Type: GrantFiled: May 6, 1982Date of Patent: August 14, 1984Assignee: Gulf Research & Development CompanyInventors: Mario L. Occelli, James V. Kennedy
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Patent number: 4217295Abstract: Methanation of carbon oxides such as carbon monoxide and carbon dioxide with hydrogen to produce methane is carried out with the aid of a heated catalyst which is the calcination product of a serpentine containing nickel and optionally magnesium and other elements together with silicon in the essentially laminar nickel serpentine. The catalysts exhibit good conversion at relatively low temperatures, are relatively insensitive to high temperature excursions, and have an extended life.Type: GrantFiled: July 18, 1977Date of Patent: August 12, 1980Assignee: NL Industries, Inc.Inventors: Heinz G. Friedrich, James V. Kennedy
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Patent number: 4214978Abstract: A novel particulate material for promoting combustion of carbon monoxide to carbon dioxide in the regeneration zone of a cyclic fluid cracking process without substantially affecting the ability of separate fluid cracking catalyst particles containing an active crystalline zeolitic aluminosilicate component to catalyze the hydrocarbon conversion reaction in the conversion zone. The novel promoter particles comprise coherent, catalytically inert microspheres of calcined kaolin clay having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of about 2/1, a surface area (B.E.T.) in the range of about 10 to 15 m.sup.2 /g., a pore volume (as determined by nitrogen absorption) in the range of about 0.02 to 0.04 cc./g., the calcined microspheres being impregnated with a trace amount of a platinum compound and being free from a component capable of cracking hydrocarbons in the absence of added hydrogen.Type: GrantFiled: May 29, 1979Date of Patent: July 29, 1980Assignee: Engelhard Minerals & Chemicals CorporationInventors: James V. Kennedy, Lawrence B. Dight
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Patent number: 4171286Abstract: A novel particulate material for promoting combustion of carbon monoxide to carbon dioxide in the regeneration zone of a cyclic fluid cracking process without substantially affecting the ability of separate fluid cracking catalyst particles containing an active crystalline zeolitic aluminosilicate component to catalyze the hydrocarbon conversion reaction in the conversion zone. The novel promoter particles comprise coherent, catalytically inert microspheres of calcined kaolin clay having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of about 2/1, a surface area (B.E.T.) in the range of about 10 to 15 m.sup.2 /g., a pore volume (as determined by nitrogen absorption) in the range of about 0.02 to 0.04 cc./gm., the calcined microspheres being impregnated with a trace amount of a platinum compound and being free from a component capable of cracking hydrocarbons in the absence of added hydrogen.Type: GrantFiled: November 8, 1978Date of Patent: October 16, 1979Assignee: Engelhard Minerals & Chemicals CorporationInventors: Lawrence B. Dight, James V. Kennedy