Patents by Inventor Thomas Edward Clark

Thomas Edward Clark 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).

  • Process for carbonylating dimethyl ether
    Patent number: 11053187
    Abstract: A process for the production of methyl acetate by carbonylating dimethyl ether with carbon monoxide at a temperature of 250 to 350° C. in the presence of a zeolite catalyst and hydrogen such that the molar ratio of hydrogen to carbon monoxide is at least 1, and one or more compounds containing a hydroxyl functional group and in the absence of any added methyl acetate.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: July 6, 2021
    Assignee: Ineos Acetyls UK Limited
    Inventor: Thomas Edward Clark
  • Carbonylation process for the production of methyl acetate
    Patent number: 11046633
    Abstract: A process for the production of methyl acetate by carbonylating at a temperature of 250 to 350° C., in the presence of a zeolite catalyst, a feed comprising dimethyl ether, a gas comprising carbon monoxide and hydrogen at a molar ratio of hydrogen to carbon monoxide of at least 1, methyl acetate and one or more compounds containing a hydroxyl functional group.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: June 29, 2021
    Assignee: Ineos Acetyls UK Limited
    Inventors: Thomas Edward Clark, Nicholas John Hazel, John Glenn Sunley
  • Carbonylation Process for the Production of Methyl Acetate
    Publication number: 20200354303
    Abstract: A process for the production of methyl acetate by carbonylating at a temperature of 250 to 350° C., in the presence of a zeolite catalyst, a feed comprising dimethyl ether, a gas comprising carbon monoxide and hydrogen at a molar ratio of hydrogen to carbon monoxide of at least 1, methyl acetate and one or more compounds containing a hydroxyl functional group.
    Type: Application
    Filed: April 12, 2017
    Publication date: November 12, 2020
    Applicant: BP Chemicals Limited
    Inventors: Thomas Edward CLARK, Nicholas John HAZEL, John Glenn SUNLEY
  • PROCESS FOR CARBONYLATING DIMETHYL ETHER
    Publication number: 20200031755
    Abstract: A process for the production of methyl acetate by carbonylating dimethyl ether with carbon monoxide at a temperature of 250 to 350° C. in the presence of a zeolite catalyst and hydrogen such that the molar ratio of hydrogen to carbon monoxide is at least 1, and one or more compounds containing a hydroxyl functional group and in the absence of any added methyl acetate.
    Type: Application
    Filed: April 10, 2018
    Publication date: January 30, 2020
    Inventor: Thomas Edward Clark
  • Dehydration-hydrolysis processes and catalysts therefor
    Patent number: 10328420
    Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometers (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: June 25, 2019
    Assignee: BP Chemicals Limited
    Inventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
  • DEHYDRATION-HYDROLYSIS PROCESSES AND CATALYSTS THEREFOR
    Publication number: 20180036722
    Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.
    Type: Application
    Filed: October 11, 2017
    Publication date: February 8, 2018
    Inventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
  • Dehydration-hydrolysis processes and catalysts therefor
    Patent number: 9873112
    Abstract: Process for the co-production of acetic acid and dimethyl ether by contacting methyl acetate and methanol in the presence of a catalyst containing a crystalline zeolite having a FER framework type. The zeolite has crystallites having a dimension of about 500 nm or less in the c-axis.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: January 23, 2018
    Assignee: BP CHEMICALS LIMITED
    Inventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
  • Process for the production of acetic acid and dimethyl ether
    Patent number: 9365483
    Abstract: Process for producing acetic acid and dimethyl ether by contacting a mixture of methanol and methyl acetate with a zeolite catalyst. The zeolite has a 2-dimensional channel system having at least one channel with a 10-membered ring and containing at least 5% of its cation exchange capacity occupied by one or more alkali metal cations.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: June 14, 2016
    Assignee: BP CHEMICALS LIMITED
    Inventors: Thomas Edward Clark, John Glenn Sunley
  • Catalyst and process for the production of acetic acid and dimethyl ether
    Patent number: 9302253
    Abstract: Process for the co-production of acetic acid and dimethyl ether products from a mixture of methanol and methyl acetate by contacting the mixture at a temperature from 200 to 260° C., with a catalyst composition containing a zeolite possessing a 2-dimensional channel system. The catalyst system contains at least one channel having a 10-membered ring and a silica:alumina molar ratio of at least 22:1.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: April 5, 2016
    Assignee: BP CHEMICALS LIMITED
    Inventors: Thomas Edward Clark, David John Law, Bruce Leo Williams
  • PROCESS FOR THE PRODUCTION OF ACETIC ACID AND DIMETHYL ETHER
    Publication number: 20160031791
    Abstract: A process for the production of acetic acid and dimethyl ether by contacting a mixture of methanol and methyl acetate with a zeolite catalyst wherein the zeolite has a 2-dimensional channel system comprising at least one channel having a 10-membered ring and having at least 5% of its cation exchange capacity occupied by one or more alkali metal cations.
    Type: Application
    Filed: February 22, 2013
    Publication date: February 4, 2016
    Applicant: BP CHEMICALS LIMITED
    Inventors: Thomas Edward CLARK, John Glen SUNLEY
  • DEHYDRATION-HYDROLYSIS PROCESSES AND CATALYSTS THEREFOR
    Publication number: 20150375217
    Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.
    Type: Application
    Filed: February 13, 2014
    Publication date: December 31, 2015
    Inventors: Thomas Edward Clark, Evert Jan DITZEL, David John LAW, Bruce Leo WILLIAMS
  • CATALYST AND PROCESS FOR THE PRODUCTION OF ACETIC ACID AND DIMETHYL ETHER
    Publication number: 20150352535
    Abstract: A process for the co-production of acetic acid and dimethyl ether products from a mixture of methanol and methyl acetate by contacting the mixture at a temperature from 200 to 260° C., with a catalyst composition comprising a zeolite possessing a 2-dimensional channel system comprising at least one channel having a 10-membered ring and a silica:alumina molar ratio of at least 22:1.
    Type: Application
    Filed: February 22, 2013
    Publication date: December 10, 2015
    Inventors: Thomas Edward Clark, David John Law, Bruce Leo Williams
  • Processes for the preparation of calixarene derivatives
    Patent number: 8252954
    Abstract: A method for the preparation of calix[n]arene derivatives, in particular phosphonated calix[n]arenes. The present invention also relates to nano-structures of phosphonated calix[n]arenes.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: August 28, 2012
    Assignees: The Curators of The University of Missouri, The University of Western Australia
    Inventors: Colin L. Raston, Mohamed Makha, Thomas Edward Clark, Jerry L. Atwood
  • PROCESSES FOR THE PREPARATION OF CALIXARENE DERIVATIVES
    Publication number: 20100185022
    Abstract: A method for the preparation of calix[n]arene derivatives, in particular phosphonated calix[n]arenes. The present invention also relates to nano-structures of phosphonated calix[n]arenes.
    Type: Application
    Filed: June 6, 2008
    Publication date: July 22, 2010
    Inventors: Colin L. Raston, Mohamed Makha, Thomas Edward Clark, Jerry L. Atwood