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).

  • Patent number: 11198921
    Abstract: 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: Grant
    Filed: April 2, 2019
    Date of Patent: December 14, 2021
    Assignee: Petroliam Nasional Berhad (Petronas)
    Inventors: Robin Don Rogers, John Holbrey
  • Patent number: 10626335
    Abstract: 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: Grant
    Filed: March 30, 2010
    Date of Patent: April 21, 2020
    Assignee: Petroliam Nasional Berhad (Petronas)
    Inventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
  • Publication number: 20190360069
    Abstract: 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: Application
    Filed: April 2, 2019
    Publication date: November 28, 2019
    Inventors: Robin Don Rogers, John Holbrey
  • Patent number: 10266913
    Abstract: 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: Grant
    Filed: March 30, 2010
    Date of Patent: April 23, 2019
    Assignee: Petroliam Nasional Berhad (Petronas)
    Inventors: Robin Don Rogers, John Holbrey
  • Patent number: 10138432
    Abstract: 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: Grant
    Filed: August 18, 2016
    Date of Patent: November 27, 2018
    Assignee: THE QUEEN'S UNIVERSITY OF BELFAST
    Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
  • Patent number: 9751841
    Abstract: 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: Grant
    Filed: March 30, 2010
    Date of Patent: September 5, 2017
    Assignee: Petroliam Nasional Berhad
    Inventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
  • Publication number: 20170037323
    Abstract: 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: Application
    Filed: August 18, 2016
    Publication date: February 9, 2017
    Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
  • Patent number: 9447335
    Abstract: 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: Grant
    Filed: October 5, 2011
    Date of Patent: September 20, 2016
    Assignee: The Queen's University of Belfast
    Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Ken Seddon, Geetha Srinivasan, Yiran Zou
  • Publication number: 20160200699
    Abstract: 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: Application
    Filed: August 8, 2014
    Publication date: July 14, 2016
    Inventors: Fergal COLEMAN, John HOLBREY, Kenneth SEDDON, Martin ATKINS, Yoan DELAVOUX, Jeni TOLAND, Ting YAN
  • Patent number: 8721795
    Abstract: 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: Grant
    Filed: September 3, 2008
    Date of Patent: May 13, 2014
    Assignee: Petroliam Nasional Berhad (PETRONAS)
    Inventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon, Laurent Vanoye, Anna Zheng
  • Patent number: 8637661
    Abstract: 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: Grant
    Filed: October 11, 2012
    Date of Patent: January 28, 2014
    Assignee: Petroliam Nasional Berhad
    Inventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon
  • Patent number: 8637660
    Abstract: 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: Grant
    Filed: May 18, 2007
    Date of Patent: January 28, 2014
    Assignee: Petroliam Nasional Berhad
    Inventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon
  • Publication number: 20140001100
    Abstract: 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: Application
    Filed: October 5, 2011
    Publication date: January 2, 2014
    Applicant: The Queen's University of Belfast
    Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Ken Seddon, Geetha Srinivasan, Yiran Zou
  • Patent number: 8574368
    Abstract: 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: Grant
    Filed: September 3, 2008
    Date of Patent: November 5, 2013
    Assignee: Petroliam Nasional Berhard (Petronas)
    Inventors: John Holbrey, Markus Fanselow, Kenneth Richard Seddon, Lauret Vanoye, Anna Zheng
  • Publication number: 20130034891
    Abstract: 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: Application
    Filed: October 11, 2012
    Publication date: February 7, 2013
    Applicant: The Queen's University of Belfast
    Inventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon
  • Publication number: 20120121485
    Abstract: 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: Application
    Filed: March 30, 2010
    Publication date: May 17, 2012
    Inventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
  • Publication number: 20120108822
    Abstract: 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: Application
    Filed: March 30, 2010
    Publication date: May 3, 2012
    Applicant: PETROLIAM NASIONAL BERHAD
    Inventors: Robin Don Rogers, John Holbrey, Hector Rodriguez
  • Publication number: 20120090430
    Abstract: 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: Application
    Filed: March 30, 2010
    Publication date: April 19, 2012
    Inventors: Robin Don Rogers, John Holbrey
  • Publication number: 20120029247
    Abstract: 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: Application
    Filed: September 3, 2008
    Publication date: February 2, 2012
    Applicant: The Queen's University of Belfast
    Inventors: John Holbrey, Markus Fanselow, Kenneth Richard Seddon, Laurent Vanoye, Anna Zheng
  • Publication number: 20110312048
    Abstract: 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: Application
    Filed: September 3, 2008
    Publication date: December 22, 2011
    Applicant: THE QUEEN'S UNIVERSITY OF BELFAST
    Inventors: Markus Fanselow, John Holbrey, Kenneth Richard Seddon, Laurent Vanoye, Anna Zheng