Patents by Inventor Claire McGuinness

Claire McGuinness 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 THE PREPARATION OF 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20220220050
    Abstract: The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 14, 2022
    Inventors: John W. Smith, Claire McGuinness, Andrew P. Sharratt, Andrew Taylor
  • Process for the preparation of 2,3,3,3-tetrafluoropropene
    Patent number: 11267772
    Abstract: The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: March 8, 2022
    Assignee: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: John W Smith, Claire McGuinness, Andrew P Sharratt, Andrew M Taylor
  • PROCESS FOR THE PREPARATION OF 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20200325089
    Abstract: The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf.
    Type: Application
    Filed: June 9, 2020
    Publication date: October 15, 2020
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: JOHN W. SMITH, CLAIRE MCGUINNESS, ANDREW P. SHARRATT, ANDREW M. TAYLOR
  • Process for the preparation of 2,3,3,3-tetrafluoropropene
    Patent number: 10683248
    Abstract: The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: June 16, 2020
    Assignee: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: John W Smith, Claire McGuinness, Andrew P Sharratt, Andrew M Taylor
  • PROCESS FOR THE PREPARATION OF 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20180265437
    Abstract: The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf.
    Type: Application
    Filed: April 24, 2018
    Publication date: September 20, 2018
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: John W. Smith, Claire McGuinness, Andrew P. Sharratt, Andrew M. Taylor
  • Process for the preparation of 2,3,3,3-tetrafluoropropene
    Patent number: 9957210
    Abstract: The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: May 1, 2018
    Assignee: MEXICHEM AMANCO HOLDINGS S.A. DE C.V.
    Inventors: John W. Smith, Claire McGuinness, Andrew P. Sharratt, Andrew M. Taylor
  • Process for preparing 3,3,3-trifluoropropene
    Patent number: 9096489
    Abstract: The invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising contacting a compound of formula CX3CH2CH2X or CX3CH?CH2, with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst, wherein each X independently is F, Cl, Br or I, provided that in the compound of formula CX3CH?CH2, at least one X is not F.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: August 4, 2015
    Assignee: Mexichem Amanco Holding S.A. de C.V.
    Inventors: Andrew Paul Sharratt, Claire McGuinness
  • Process For Preparing 3,3,3-Trifluoropropene
    Publication number: 20120071699
    Abstract: The invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising contacting a compound of formula CX3CH2CH2X or CX3CH?CH2, with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst, wherein each X independently is F, Cl, Br or I, provided that in the compound of formula CX3CH?CH2, at least one X is not F.
    Type: Application
    Filed: April 9, 2010
    Publication date: March 22, 2012
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: Andrew Paul Sharratt, Claire McGuinness