Patents by Inventor George Frederick Salem
George Frederick Salem 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: 11596927Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: GrantFiled: October 19, 2020Date of Patent: March 7, 2023Assignee: Archer-Daniels-Midland CompanyInventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Publication number: 20210094020Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: ApplicationFiled: October 19, 2020Publication date: April 1, 2021Applicant: Archer-Daniels-Midland CompanyInventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Patent number: 10807074Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: GrantFiled: November 3, 2017Date of Patent: October 20, 2020Assignee: Archer-Daniels-Midland CompanyInventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Publication number: 20180214853Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: ApplicationFiled: November 3, 2017Publication date: August 2, 2018Applicant: Archer-Daniels-Midland CompanyInventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Patent number: 9808790Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: GrantFiled: October 12, 2016Date of Patent: November 7, 2017Assignee: Rennovia Inc.Inventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Patent number: 9770705Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: GrantFiled: December 13, 2010Date of Patent: September 26, 2017Assignee: Rennovia Inc.Inventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Publication number: 20170028386Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: ApplicationFiled: October 12, 2016Publication date: February 2, 2017Applicant: Rennovia Inc.Inventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Patent number: 8734548Abstract: Processes are provided for preparing a substantially free-flowing alkali metal gasification catalyst-loaded coal particulate suitable for use as a feedstock for the production of gaseous products, and in particular methane, via the catalytic gasification of the catalyst-loaded coal particulate in the presence of steam.Type: GrantFiled: December 29, 2009Date of Patent: May 27, 2014Assignee: Greatpoint Energy, Inc.Inventors: Alkis S. Rappas, Robert A. Spitz, George Frederick Salem
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Patent number: 8297542Abstract: Particulate compositions are described comprising an intimate mixture of a coal and a gasification catalyst in the presence of steam to yield a plurality of gases including methane and at least one or more of hydrogen, carbon monoxide, carbon dioxide, hydrogen sulfide, ammonia and other higher hydrocarbons are formed. Processes are also provided for the preparation of the particulate compositions and converting the particulate composition into a plurality of gaseous products.Type: GrantFiled: February 27, 2009Date of Patent: October 30, 2012Assignee: Greatpoint Energy, Inc.Inventors: Alkis S. Rappas, George Frederick Salem
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Patent number: 8286901Abstract: Particulate compositions are described comprising an intimate mixture of a coal and a gasification catalyst. The particulate compositions are gasified in the presence of steam to yield a plurality of gases including methane and at least one or more of hydrogen, carbon monoxide, carbon dioxide, hydrogen sulfide, ammonia and other higher hydrocarbons. Processes are also provided for the preparation of the particulate compositions and converting the particulate composition into a plurality of gaseous products.Type: GrantFiled: February 27, 2009Date of Patent: October 16, 2012Assignee: Greatpoint Energy, Inc.Inventors: Alkis S. Rappas, George Frederick Salem
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Patent number: 8163048Abstract: The present invention relates to catalyst-loaded coal compositions having a moisture content of less than about 6 wt %, a process for the preparation of catalyst-loaded coal compositions, and an integrated process for the gasification of the catalyst-loaded coal compositions. The catalyst-loaded coal compositions can be prepared by a diffusive catalyst loading process that provides for a highly dispersed catalyst that is predominantly associated with the coal matrix, such as by ion-exchange.Type: GrantFiled: July 23, 2008Date of Patent: April 24, 2012Assignee: Greatpoint Energy, Inc.Inventors: Alkis S. Rappas, George Frederick Salem, Edwin J. Hippo
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Publication number: 20110306790Abstract: Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. More particularly, the catalysts are supported catalysts including particles comprising gold and particles comprising platinum, wherein the molar ratio of platinum to gold is in the range of about 100:1 to about 1:4, the platinum is essentially present as Pt(0) and the platinum-containing particles are of a size in the range of about 2 to about 50 nm. Also disclosed are methods for the oxidative chemocatalytic conversion of carbohydrates to carboxylic acids or derivatives thereof. Additionally, methods are disclosed for the selective oxidation of glucose to glucaric acid or derivatives thereof using catalysts comprising platinum and gold. Further, methods are disclosed for the production of such catalysts.Type: ApplicationFiled: December 13, 2010Publication date: December 15, 2011Applicant: RENNOVIA, INC.Inventors: Vincent J. Murphy, James Shoemaker, Guang Zhu, Raymond Archer, George Frederick Salem, Eric L. Dias
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Publication number: 20100168494Abstract: Processes are provided for preparing a substantially free-flowing alkali metal gasification catalyst-loaded coal particulate suitable for use as a feedstock for the production of gaseous products, and in particular methane, via the catalytic gasification of the catalyst-loaded coal particulate in the presence of steam.Type: ApplicationFiled: December 29, 2009Publication date: July 1, 2010Applicant: GREATPOINT ENERGY, INC.Inventors: Alkis S. Rappas, Robert A. Spitz, George Frederick Salem
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Publication number: 20090217590Abstract: Particulate compositions are described comprising an intimate mixture of a coal and a gasification catalyst in the presence of steam to yield a plurality of gases including methane and at least one or more of hydrogen, carbon monoxide, carbon dioxide, hydrogen sulfide, ammonia and other higher hydrocarbons are formed. Processes are also provided for the preparation of the particulate compositions and converting the particulate composition into a plurality of gaseous products.Type: ApplicationFiled: February 27, 2009Publication date: September 3, 2009Applicant: GREATPOINT ENERGY, INC.Inventors: Alkis S. Rappas, George Frederick Salem
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Publication number: 20090217586Abstract: Particulate compositions are described comprising an intimate mixture of a coal and a gasification catalyst. The particulate compositions are gasified in the presence of steam to yield a plurality of gases including methane and at least one or more of hydrogen, carbon monoxide, carbon dioxide, hydrogen sulfide, ammonia and other higher hydrocarbons. Processes are also provided for the preparation of the particulate compositions and converting the particulate composition into a plurality of gaseous products.Type: ApplicationFiled: February 27, 2009Publication date: September 3, 2009Applicant: GREATPOINT ENERGY, INC.Inventors: Alkis S. Rappas, George Frederick Salem
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Publication number: 20090048476Abstract: The present invention relates to catalyst-loaded coal compositions having a moisture content of less than about 6 wt %, a process for the preparation of catalyst-loaded coal compositions, and an integrated process for the gasification of the catalyst-loaded coal compositions. The catalyst-loaded coal compositions can be prepared by a diffusive catalyst loading process that provides for a highly dispersed catalyst that is predominantly associated with the coal matrix, such as by ion-exchange.Type: ApplicationFiled: July 23, 2008Publication date: February 19, 2009Applicant: GREATPOINT ENERGY, INC.Inventors: Alkis S. Rappas, George Frederick Salem, Edwin J. Hippo
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Publication number: 20080249331Abstract: A microspheroidal support for the manufacture of a vinyl acetate catalyst which support comprises substantially inert microspheroidal particles of a mixture of silica and 0.5 to 5 wt % (based on the total weight of the support) of aluminium oxide. A vinyl acetate catalyst comprising the microspheroidal support, palladium, at least one metal, M, selected from the group consisting of gold, cerium, copper and mixtures thereof and at least one metal. A, selected from the group consisting of Group I, Group II, lanthanide and transition metal promoters.Type: ApplicationFiled: June 8, 2006Publication date: October 9, 2008Inventors: Robert Edward Allan, John William Couves, George Frederick Salem, Bruce Leo Williams
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Patent number: 7053024Abstract: Process for preparing a supported metal catalyst composition comprising impregnating support particles having a mean diameter of greater than 300 microns with a solution of least one catalytically active metal, or precursor thereof, such that the metal, or its precursor, is in a mobile state in the support particles; and drying the impregnated support particles. The mobile metal, or its precursor, in the support particles is then treated with a liquid comprising at least one reducing agent to deposit and immobilize the metal, or its precursor, in the support particles such that the metal, or its precursor, is distributed in the support particle in a layer below the surface of the support particle, the layer being between an inner and an outer region, each of the inner and outer regions having a lower concentration of the metal or precursor than the layer.Type: GrantFiled: January 9, 2003Date of Patent: May 30, 2006Assignees: BP Chemicals Limited, Johnson Matthey Public Limited CompanyInventors: Michael James Baker, John William Couves, Kenneth George Griffin, Peter Johnston, James Colin McNicol, George Frederick Salem
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Patent number: 6806382Abstract: A process for preparing a supported metal catalyst composition which comprises impregnating microspheroidal support particles with a solution of at least one catalytically active metal, or precursor, drying the impregnated support particles and then treating the mobile metal, or precursor in a mobile state with a liquid comprising at least one reducing agent to deposit and immobilize the metal, or its precursor, in the support particles such that the metal, or its precursor, is distributed in the support particle in a layer below the surface of the support particle, the layer being between an inner and an outer region having a lower concentration of metal or precursor. Also, a composition comprising microspheroidal support particles having at least one catalytically active metal or precursor thereof distributed in a layer below the surface of the particles, the layer being between an inner and an outer region of the support particle each having a lower concentration of metal or precursor.Type: GrantFiled: January 6, 2003Date of Patent: October 19, 2004Inventors: Michael James Baker, John William Couves, Kenneth George Griffin, Peter Johnston, James Colin McNicol, George Frederick Salem
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Publication number: 20030144544Abstract: A composition and process for making same in which the composition comprises support particles having at least one catalytically active metal or precursor thereof distributed therein in a layer below the surface of said particle, said layer being between an inner and an outer region of said support particle) and each of said inner and outer regions having a lower concentration of said metal or precursor thereof than said layer.Type: ApplicationFiled: January 9, 2003Publication date: July 31, 2003Applicant: BP Chemicals Limited & Johnson Matthey Public Limited CompanyInventors: Michael James Baker, John William Couves, Kenneth George Griffin, Peter Johnston, James Colin McNicol, George Frederick Salem