Patents by Inventor William J. Bartley
William J. Bartley 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: 6534441Abstract: A nickel/rhenium catalyst composition for the reductive amination of lower aliphatic alkane derivatives is described. The catalyst includes from about 2 to about 75 weight percent nickel and has a nickel to rhenium weight percent ratio of from about 1:1 to about 200:1. The nickel and rhenium are supported on an alumina-silica support which contains from about 5 to about 65 weight percent silica and has a BET surface area of from about 30 to about 450 m2/g. A process for the reductive amination of lower aliphatic alkane derivatives using such a catalyst composition is also provided.Type: GrantFiled: March 3, 2000Date of Patent: March 18, 2003Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: William J Bartley, Ronald Gary Cook, Kendrick Edward Curry, Stefan Kent Mierau
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Patent number: 6521783Abstract: This invention relates in part to a processes for the conversion of a feedstock stream comprising carbon monoxide and hydrogen to a product stream comprising at least one of an ester, acid, acid anhydride and mixtures thereof. This invention also relates in part to processes for converting an alcohol and/or ether feedstock to oxygenated products, e.g., esters, acids, acid anhydrides and mixtures thereof. The processes and catalysts are especially suitable for the production of acetic acid and methyl acetate from a synthesis gas feedstock or from an alcohol and/or ether feedstock.Type: GrantFiled: July 10, 2000Date of Patent: February 18, 2003Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Richard William Wegman, David McNeill Somerville, Barry Brent Fish, Raymond Edwin Rooks, Chinsoo Stephen Lee, Paul Frank Bryan, William J. Bartley, David Michael Anthony Minahan, Fungau Ho
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Patent number: 6387842Abstract: This invention relates in part to a processes and catalysts for the conversion of a feedstock comprising carbon monoxide and hydrogen to a product stream comprising at least one of an ester, acid, acid anhydride and mixtures thereof. This invention also relates in part to processes and catalysts for converting an alcohol, ether and/or ether alcohol feedstock to oxygenated products, e.g., esters, acids, acid anhydrides and mixtures thereof. The processes and catalysts are especially suitable for the production of acetic acid and methyl acetate from a synthesis gas feedstock or from an alcohol, ether or ether alcohol feedstock.Type: GrantFiled: April 21, 2000Date of Patent: May 14, 2002Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Richard William Wegman, David Michael Minahan, William J. Bartley, Chinsoo Stephen Lee, David McNeill Somerville
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Patent number: 6127432Abstract: This invention relates in part to a processes and catalysts for the conversion of a feedstock comprising carbon monoxide and hydrogen to a product stream comprising at least one of an ester, acid, acid anhydride and mixtures thereof. This invention also relates in part to processes and catalysts for converting an alcohol, ether and/or ether alcohol feedstock to oxygenated products, e.g., esters, acids, acid anhydrides and mixtures thereof. The processes and catalysts are especially suitable for the production of acetic acid and methyl acetate from a synthesis gas feedstock or from an alcohol, ether or ether alcohol feedstock.Type: GrantFiled: December 24, 1998Date of Patent: October 3, 2000Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Richard William Wegman, David Michael Minahan, William J. Bartley, Chinsoo Stephen Lee, David McNeill Somerville
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Patent number: 5342987Abstract: This invention provides a process for producing improved catalysts for the production of alkenyl alkanoates by the reaction of an alkene, an alkanoic acid and an oxygen-containing gas. The catalysts contain palladium, gold and a potassium promoter and are characterized by a reduced sodium content which results in increased catalyst activity. The reduced sodium content is obtained by washing the catalyst, at a particular intermediate point in its production, with a cation exchange solution.Type: GrantFiled: September 28, 1992Date of Patent: August 30, 1994Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: William J. Bartley
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Patent number: 5274181Abstract: A shell impregnated catalyst for use in the production of vinyl acetate from ethylene, acetic acid and an oxygen containing gas is provided. The catalyst has a productivity of greater than 661 grams of vinyl acetate per hour per liter of catalyst at 150.degree. C. and consists essentially of:(1) a catalyst support having a particle diameter from about 3 to about 7 mm and a pore volume of 0.2 to 1.5 ml per gram(2) palladium and gold distributed in the outermost 1.0 mm thick layer of the catalyst support particles, and(3) from about 3.5 to 9.5% by weight of potassium acetate.The catalyst is characterised by having a gold to palladium weight ratio in the range 0.60 to 1.25.Type: GrantFiled: October 7, 1992Date of Patent: December 28, 1993Assignee: BP Chemicals LimitedInventors: William J. Bartley, Simon Jobson, Gordon G. Harkreader, Melanie Kitson, Mike Lemanski
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Patent number: 5189004Abstract: This invention provides a process for producing improved catalysts for the production of alkenyl alkanoates by the reaction of an alkene, an alkanoic acid and an oxygen-containing gas. The catalysts contain palladium, gold and a potassium promoter and are characterized by a reduced sodium content which results in increased catalyst activity. The reduced sodium content is obtained by washing the catalyst with water or with an aqueous solution of a potassium promoter after it has been impregnated with a potassium promoter.Type: GrantFiled: November 18, 1991Date of Patent: February 23, 1993Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: William J. Bartley
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Patent number: 5185308Abstract: A shell impregnated catalyst for use in the production of vinyl acetate from ethylene, acetic acid and an oxygen containing gas is provided. The catalyst has a productivity of greater than 661 grams of vinyl acetate per hour per liter of catalyst at 150.degree. C. and consists essentially of:(1) a catalyst support having a particle diameter from about 3 to about 7 mm and a pore volume of 0.2 to 1.5 ml per gram(2) palladium and gold distributed in the outermost 1.0 mm thick layer of the catalyst support particles, and(3) from about 3.5 to 9.5% by weight of potassium acetate.The catalyst is characterized by having a gold to palladium weight ratio in the range 0.60 to 1.25.Type: GrantFiled: May 6, 1991Date of Patent: February 9, 1993Assignee: BP Chemicals LimitedInventors: William J. Bartley, Simon Jobson, Gordon G. Harkreader, Melanie Kitson, Michael F. Lemanski
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Patent number: 5179056Abstract: This invention provides a process for producing improved catalysts for the production of alkenyl alkanoates by the reaction of an alkene, an alkanoic acid and an oxygen-containing gas. The catalysts contain palladium, gold and a potassium promoter and are characterized by a reduced sodium content which results in increased catalyst activity. The reduced sodium content is obtained by using essentially sodium-free starting materials in the process for producing the catalysts.Type: GrantFiled: November 18, 1991Date of Patent: January 12, 1993Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: William J. Bartley
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Patent number: 5179057Abstract: This invention provides a process for producing improved catalysts for the production of alkenyl alkanoates by the reaction of an alkene, an alkanoic acid and an oxygen-containing gas. The catalysts contain palladium, gold and a potassium promoter and are characterized by a reduced sodium content which results in increased catalyst activity. The reduced sodium content is obtained by washing the catalyst, at a particular intermediate point in its production, with a cation exchange solution.Type: GrantFiled: November 18, 1991Date of Patent: January 12, 1993Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: William J. Bartley
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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: 4677234Abstract: A process for the preparation of ethylene glycol by the vapor phase catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate in the presence of a hydrogenation catalyst comprising a carrier, which catalyst is suitable for the hydrogenation of alkyl oxalate and alkyl glycolate to ethylene glycol, wherein the improvement lies in preparing the catalyst by contacting the carrier with a cooper ammonium carbonate complex medium and reducing the catalytically-active copper moiety to its active copper form.Type: GrantFiled: February 4, 1985Date of Patent: June 30, 1987Assignee: Union Carbide CorporationInventor: William J. Bartley
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Patent number: 4661643Abstract: This invention relates to a process for selectively cleaving a polyalkylene glycol, e.g., diethylene glycol, containing at least one ether group therein at a carbon-to-oxygen covalent bond and independently at a carbon-to-carbon covalent bond by heating the polyalkylene glycol with molecular hydrogen in the presence of a hydrogenation catalyst containing ruthenium to produce at least one of monoethylene glycol monomethyl ether, monoethylene glycol and ethanol. The production rate of each of said monoethylene glycol monomethyl ether, monoethylene glycol and ethanol is at least about 10 moles/kilogram ruthenium/hour.Type: GrantFiled: May 21, 1985Date of Patent: April 28, 1987Assignee: Union Carbide CorporationInventor: William J. Bartley
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Patent number: 4649225Abstract: This invention relates to a process for selectively cleaving a polyalkylene glycol, e.g., diethylene glycol, containing at least one ether group therein at a carbon-to-oxygen covalent bond and independently at a carbon-to-carbon covalent bond by heating the polyalkylene glycol with molecular hydrogen in the presence of a hydrogenation catalyst containing iridium to produce at least one of monoethylene glycol monoethyl ether, monoethylene glycol monomethyl ether, monoethylene glycol and ethanol. Monoethylene glycol monoethyl ether can be produced in significant amounts by employing the process of this invention.Type: GrantFiled: May 21, 1985Date of Patent: March 10, 1987Assignee: Union Carbide CorporationInventor: William J. Bartley
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Patent number: 4628129Abstract: A process for the preparation of ethylene glycol by the catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate in the presence of a hydrogenation catalyst comprising a carrier, which catalyst is suitable for the hydrogenation of alkyl oxalate and alkyl glycolate to ethylene glycol, wherein the carrier has a leachable iron content not greater than about 0.03%, by weight of the carrier.Type: GrantFiled: February 4, 1985Date of Patent: December 9, 1986Assignee: Union Carbide CorporationInventor: William J. Bartley
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Patent number: 4628128Abstract: A process for the preparation of ethylene glycol by the vapor phase catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate in the presence of a hydrogenation catalyst comprising a carrier, which catalyst is suitable for the hydrogenation of alkyl oxalate and alkyl glycolate to ethylene glycol, the improvement lies within the preparation of the catalyst by employment of catalysts comprising carriers having specific ranges of physical parameters, including average pore diameter and pore volume, which parameters are interrelated by a relative activity index.Type: GrantFiled: February 4, 1985Date of Patent: December 9, 1986Assignee: Union Carbide CorporationInventor: William J. Bartley
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Patent number: 4471075Abstract: A process for selectively preparing a mixture of two-carbon atom oxygenated hydrocarbons, namely, acetic acid, ethanol and acetaldehyde, by continuously contacting a gaseous reaction mixture containing hydrogen and carbom monoxide with a solid catalyst comprising rhodium in combination with sodium at reaction conditions correlated so as to favor the formation of a substantial proportion of such two-carbon atom products.Type: GrantFiled: June 16, 1983Date of Patent: September 11, 1984Assignee: Union Carbide CorporationInventors: William J. Bartley, Thomas P. Wilson
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Patent number: 4446251Abstract: A process for selectively preparing a mixture of two-carbon atom oxygenated hydrocarbons, namely, acetic acid, ethanol and acetaldehyde, by continuously contacting a gaseous reaction mixture containing hydrogen and carbon monoxide with a solid catalyst comprising rhodium in combination with sodium at reaction conditions correlated so as to favor the formation of a substantial proportion of such two-carbon atom products.Type: GrantFiled: March 17, 1982Date of Patent: May 1, 1984Assignee: Union Carbide CorporationInventors: William J. Bartley, Thomas P. Wilson
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Patent number: 4312955Abstract: Lanthanum rhodate, or metal substituted lanthanum rhodate, having a perovskite structure is a highly active catalyst for the production of methanol from hydrogen and carbon monoxide. The lanthanum rhodate displays excellent stability and excellent selectivity to methanol.Type: GrantFiled: December 1, 1980Date of Patent: January 26, 1982Assignee: Union Carbide CorporationInventor: William J. Bartley
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Patent number: 4250116Abstract: A heterogeneous process for selectively producing monoamines in which the nitrogen is bonded only to methyl, ethyl, hydrogen or combinations thereof which comprises contacting a mixture of carbon monoxide, hydrogen and a nitrogen-containing compound selected from the group consisting of ammonia, nitric oxide and mixtures thereof with a heterogeneous solid catalyst comprising rhodium and iron. The monoamines of the invention are formed in a collective amount of at least 50 weight percent of the total amine products of the reaction.Type: GrantFiled: December 19, 1979Date of Patent: February 10, 1981Assignee: Union Carbide CorporationInventor: William J. Bartley