Patents by Inventor John Holbrey
John Holbrey 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: 11198921Abstract: The present invention relates to a process for dissolving metals in perhalide containing ionic liquids, and to the extraction of metals from mineral ores; the remediation of materials contaminated with heavy, toxic or radioactive metals; and to the removal of heavy and toxic metals from hydrocarbon streams.Type: GrantFiled: April 2, 2019Date of Patent: December 14, 2021Assignee: Petroliam Nasional Berhad (Petronas)Inventors: Robin Don Rogers, John Holbrey
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Patent number: 10626335Abstract: This invention relates to a process for removing metals, particularly mercury, from hydrocarbon streams by use of an ionic liquid, where in the metal-containing hydrocarbon stream is contacted with an ionic liquid to produce a product hydrocarbon stream having reduced mercury content.Type: GrantFiled: March 30, 2010Date of Patent: April 21, 2020Assignee: Petroliam Nasional Berhad (Petronas)Inventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
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Publication number: 20190360069Abstract: The present invention relates to a process for dissolving metals in perhalide containing ionic liquids, and to the extraction of metals from mineral ores; the remediation of materials contaminated with heavy, toxic or radioactive metals; and to the removal of heavy and toxic metals from hydrocarbon streams.Type: ApplicationFiled: April 2, 2019Publication date: November 28, 2019Inventors: Robin Don Rogers, John Holbrey
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Patent number: 10266913Abstract: The present invention relates to a process for dissolving metals in perhalide containing ionic liquids, and to the extraction of metals from mineral ores; the remediation of materials contaminated with heavy, toxic or radioactive metals; and to the removal of heavy and toxic metals from hydrocarbon streams.Type: GrantFiled: March 30, 2010Date of Patent: April 23, 2019Assignee: Petroliam Nasional Berhad (Petronas)Inventors: Robin Don Rogers, John Holbrey
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Patent number: 10138432Abstract: Mercury is removed from a mercury-containing hydrocarbon fluid feed by utilizing ionic liquids. The mercury-containing hydrocarbon fluid feed is contacted with a metallate salt immobilized on a solid support material. A hydrocarbon fluid product having a reduced mercury content compared to the mercury-containing fluid feed is separated from the ionic liquid.Type: GrantFiled: August 18, 2016Date of Patent: November 27, 2018Assignee: THE QUEEN'S UNIVERSITY OF BELFASTInventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
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Patent number: 9751841Abstract: The present invention is a novel process for the preparation of chalcogenone compounds by conversion of ionic liquids and salts comprising nitrogen-containing heterocyclic cations and basic anions to the corresponding nitrogen-containing heterocyclic chalcogenones by reaction with elemental chalcogens.Type: GrantFiled: March 30, 2010Date of Patent: September 5, 2017Assignee: Petroliam Nasional BerhadInventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
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Publication number: 20170037323Abstract: Mercury is removed from a mercury-containing hydrocarbon fluid feed by utilizing ionic liquids. The mercury-containing hydrocarbon fluid feed is contacted with a metallate salt immobilized on a solid support material. A hydrocarbon fluid product having a reduced mercury content compared to the mercury-containing fluid feed is separated from the ionic liquid.Type: ApplicationFiled: August 18, 2016Publication date: February 9, 2017Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
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Patent number: 9447335Abstract: The present invention relates to a process for the removal of mercury from a mercury-containing hydrocarbon fluid feed using specifically selected ionic liquids comprising, contacting the mercury-containing hydrocarbon fluid feed with an ionic liquid having the formula [Cat+][M+][X?] and separating from the ionic liquid a hydrocarbon fluid product having a reduced mercury content compared to the mercury-containing fluid feed.Type: GrantFiled: October 5, 2011Date of Patent: September 20, 2016Assignee: The Queen's University of BelfastInventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Ken Seddon, Geetha Srinivasan, Yiran Zou
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Publication number: 20160200699Abstract: This invention relates to an improved one-pot synthetic process for the preparation of glycidol from the reaction of glycerol and dimethyl carbonate. More specifically, the invention relates to a one-pot synthetic process for the preparation of glycidol comprising the reaction of glycerol and dimethyl carbonate in the presence of an ionic liquid catalyst having the formula: [Cat+][X] wherein: [Cat] represents one or more cationic species, and [X] represents one or more anionic species; wherein the reaction is conducted at a temperature of from 100° C. to 160° C. and wherein the molar ratio of glycerol to dimethylcarbonate is from 1:4 to 1:10.Type: ApplicationFiled: August 8, 2014Publication date: July 14, 2016Inventors: Fergal COLEMAN, John HOLBREY, Kenneth SEDDON, Martin ATKINS, Yoan DELAVOUX, Jeni TOLAND, Ting YAN
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Patent number: 8721795Abstract: A process is described for the preparation of water-soluble cellulose hydrolysis products The process comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprised solely of cations and anions and which exists in a liquid state at a temperature at or below 150° C., and in which the anions are selected from sulfate, hydrogen sulfate and nitrate; and treating the resulting solvate or solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25° C.Type: GrantFiled: September 3, 2008Date of Patent: May 13, 2014Assignee: Petroliam Nasional Berhad (PETRONAS)Inventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon, Laurent Vanoye, Anna Zheng
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Patent number: 8637661Abstract: A process is described for the preparation of water-soluble cellulose hydrolysis product. The process comprise admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprises solely of cations and anions and which exists in a liquid state at a temperature at or below 150° C., and in which the anions are selected from halide and cyanate; and treating the resulting solvate or solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25° C.Type: GrantFiled: October 11, 2012Date of Patent: January 28, 2014Assignee: Petroliam Nasional BerhadInventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon
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Patent number: 8637660Abstract: A process for the preparation of water-soluble cellulose hydrolysis products, which comprises admixing cellulose with an ionic liquid in which the cellulose has at least some solubility, said ionic liquid state at a temperature at or below 150 -C, and treating the resulting solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25 -C.Type: GrantFiled: May 18, 2007Date of Patent: January 28, 2014Assignee: Petroliam Nasional BerhadInventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon
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Publication number: 20140001100Abstract: The present invention relates to a process for the removal of mercury from a mercury-containing hydrocarbon fluid feed using specifically selected ionic liquids comprising, contacting the mercury-containing hydrocarbon fluid feed with an ionic liquid having the formula [Cat+][M+][X?] and separating from the ionic liquid a hydrocarbon fluid product having a reduced mercury content compared to the mercury-containing fluid feed.Type: ApplicationFiled: October 5, 2011Publication date: January 2, 2014Applicant: The Queen's University of BelfastInventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Ken Seddon, Geetha Srinivasan, Yiran Zou
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Patent number: 8574368Abstract: A process is described for the preparation of water-soluble cellulose hydrolysis products, which comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprised solely of cations and anions and which exists in a liquid state at a temperature at or below 150° C.Type: GrantFiled: September 3, 2008Date of Patent: November 5, 2013Assignee: Petroliam Nasional Berhard (Petronas)Inventors: John Holbrey, Markus Fanselow, Kenneth Richard Seddon, Lauret Vanoye, Anna Zheng
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Publication number: 20130034891Abstract: A process is described for the preparation of water-soluble cellulose hydrolysis product. The process comprise admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprises solely of cations and anions and which exists in a liquid state at a temperature at or below 150° C., and in which the anions are selected from halide and cyanate; and treating the resulting solvate or solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25° C.Type: ApplicationFiled: October 11, 2012Publication date: February 7, 2013Applicant: The Queen's University of BelfastInventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon
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Publication number: 20120121485Abstract: This invention relates to a process for removing metals, particularly mercury, from hydrocarbon streams by use of an ionic liquid, where in the metal-containing hydrocarbon stream is contacted with an ionic liquid to produce a product hydrocarbon stream having reduced mercury content.Type: ApplicationFiled: March 30, 2010Publication date: May 17, 2012Inventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
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Publication number: 20120108822Abstract: The present invention is a novel process for the preparation of chalcogenone compounds by conversion of ionic liquids and salts comprising nitrogen-containing heterocyclic cations and basic anions to the corresponding nitrogen-containing heterocyclic chalcogenones by reaction with elemental chalcogens.Type: ApplicationFiled: March 30, 2010Publication date: May 3, 2012Applicant: PETROLIAM NASIONAL BERHADInventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
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Publication number: 20120090430Abstract: The present invention relates to a process for dissolving metals in perhalide containing ionic liquids, and to the extraction of metals from mineral ores; the remediation of materials contaminated with heavy, toxic or radioactive metals; and to the removal of heavy and toxic metals from hydrocarbon streams.Type: ApplicationFiled: March 30, 2010Publication date: April 19, 2012Inventors: Robin Don Rogers, John Holbrey
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Publication number: 20120029247Abstract: A process is described for the preparation of water-soluble cellulose hydrolysis products, which comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprised solely of cations and anions and which exists in a liquid state at a temperature at or below 15O° C.Type: ApplicationFiled: September 3, 2008Publication date: February 2, 2012Applicant: The Queen's University of BelfastInventors: John Holbrey, Markus Fanselow, Kenneth Richard Seddon, Laurent Vanoye, Anna Zheng
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Publication number: 20110312048Abstract: A process is described for the preparation of water-soluble cellulose hydrolysis products The process comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprised solely of cations and anions and which exists in a liquid state at a temperature at or below 15O° C., and in which the anions are selected from sulfate, hydrogen sulfate and nitrate; and treating the resulting solvate or solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25° C.Type: ApplicationFiled: September 3, 2008Publication date: December 22, 2011Applicant: THE QUEEN'S UNIVERSITY OF BELFASTInventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon, Laurent Vanoye, Anna Zheng