Patents by Inventor Claire McGuiness

Claire McGuiness 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: 20160023969
    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: October 6, 2015
    Publication date: January 28, 2016
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: JOHN W. SMITH, CLAIRE MCGUINESS, ANDREW P. SHARRATT, ANDREW M. TAYLOR
  • Process for the preparation of 2, 3, 3, 3-tetrafluoropropene
    Patent number: 9162948
    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 1225 ye 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: May 15, 2009
    Date of Patent: October 20, 2015
    Assignee: Mexichem Amanco Holding S.A. de C.V.
    Inventors: John W Smith, Claire McGuiness, Andrew P Sharratt, Andrew M Taylor
  • Process for the preparation of 2,3,3,3,-tetrafluoropropene (R-1234yf)
    Patent number: 8697923
    Abstract: The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF3CHFCH2X, wherein X is Cl or F, and (b) dehydrohalogenating the compound of formula CF3CHFCH2X to produce 1234yf.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: April 15, 2014
    Assignee: Mexichem Amanco Holding S.A. de C.V.
    Inventors: John W. Smith, Claire McGuiness, Andrew P. Sharratt
  • Process for the production of chlorinated and fluorinated alkanes and alkenes in the presence of a catalyst
    Patent number: 8633340
    Abstract: The invention provides a process for preparing 1,1,1-trifluoro-2,3-dichloropropane (243db), which process comprises contacting 3,3,3-trifluoropropene (1243zf) with chlorine in the presence of a catalyst, wherein the catalyst comprises activated carbon, alumina and/or an oxide of a transition metal.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: January 21, 2014
    Assignee: Mexichem Amanco Holding S.A. de C.V.
    Inventors: John W. Smith, Claire McGuiness, Andrew P. Sharratt
  • Process for preparing a compound of formula CFCHFCHX, wherin X is Cl or F, from 1243zf
    Patent number: 8629307
    Abstract: The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF3CHFCH2X, wherein X is Cl or F, and (b) dehydrohalogenating the compound of formula CF3CHFCH2X to produce 1234yf.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: January 14, 2014
    Assignee: Mexichem Amanco S.A. de C.V.
    Inventors: John W. Smith, Claire McGuiness, Andrew P. Sharratt
  • Process for the Preparation of 2,3,3,3,-Tetrafluoropropene (R-1234yf)
    Publication number: 20140012050
    Abstract: The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF3CHFCH2X, wherein X is Cl or F, and (b) dehydrohalogenating the compound of formula CF3CHFCH2X to produce 1234yf.
    Type: Application
    Filed: August 19, 2013
    Publication date: January 9, 2014
    Applicant: Mexichem Amanco Holding S.A. de C.V.
    Inventors: John W. Smith, Claire McGuiness, Andrew P. Sharratt
  • Process for the preparation of 2,3,3,3-tetrafluoropropene
    Patent number: 8552228
    Abstract: The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF3CHFCH2X, wherein X is Cl or F, and (b) dehydrohalogenating the compound of formula CF3CHFCH2X to produce 1234yf.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: October 8, 2013
    Assignee: Mexichem Amanco Holdings S.A. de C.V.
    Inventors: John W. Smith, Claire McGuiness, Andrew P. Sharratt
  • PROCESS
    Publication number: 20110124930
    Abstract: The present invention provides a process for its preparation comprising (a) converting 1,1,1-trifluoro-2,3-dichloropropane (243db) to 3,3,3-trifluoro-2-chloro-prop-1-ene (CF3CCI?CH2) in the presence of a first catalyst in a first reactor, (b) contacting CF3CCI?CH2 with a fluorinating agent in the presence of a second catalyst in a second reactor to produce a compound of formula CF3CFXCH3, wherein X?Cl or F, and (c) dehydrohalogenating the compound of formula CF3CFXCH3 to produce 2,3,3,3-tetrafluoropropene (1234yf).
    Type: Application
    Filed: April 9, 2009
    Publication date: May 26, 2011
    Inventors: John W. Smith, Claire Mcguiness, Andrew P. Sharratt
  • PROCESS
    Publication number: 20110118513
    Abstract: The invention provides a process for preparing 1,1,1-trifluoro-2,3-dichloropropane (243db), which process comprises contacting 3,3,3-trifluoropropene (1243zf) with chlorine in the presence of a catalyst, wherein the catalyst comprises activated carbon, alumina and/or an oxide of a transition metal.
    Type: Application
    Filed: April 9, 2009
    Publication date: May 19, 2011
    Applicant: INEOS FLUOR HOLDINGS LIMITED
    Inventors: John W. Smith, Claire McGuiness, Andrew P. Sharratt
  • Process for the Preparation of 2,3,33-Trifluoropropene
    Publication number: 20110112338
    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: May 15, 2009
    Publication date: May 12, 2011
    Applicant: MEXICHEM/ AMANCO HOLDING S.A. DE C.V.
    Inventors: John W. Smith, Claire McGuiness, Andrew P. Sharratt, Andrew M. Taylor
  • PROCESS
    Publication number: 20110112340
    Abstract: The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF3CHFCH2X, wherein X is Cl or F, and (b) dehydrohalogenating the compound of formula CF3CHFCH2X to produce 1234yf.
    Type: Application
    Filed: April 9, 2009
    Publication date: May 12, 2011
    Inventors: John W. Smith, Claire Mcguiness, Andrew P. Sharratt