Patents by Inventor Robert Elliott Low

Robert Elliott Low 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).

  • Publication number: 20220259137
    Abstract: A compound of formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br, and I; X is independently selected from the group consisting of H, F, Cl, Br, and I; Y is independently selected from the group consisting of F, Cl, Br, and I; Z is independently selected from the group consisting of H, F, Cl, Br, and I; n is an integer from 1 to 8; and n? is an integer from 1 to 12.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Inventors: Andrew Paul SHARRATT, Robert Elliott LOW, Emma Jane HODGSON
  • Patent number: 11352313
    Abstract: A compound of formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br, and I; X is independently selected from the group consisting of H, F, Cl, Br, and I; Y is independently selected from the group consisting of F, Cl, Br, and I; Z is independently selected from the group consisting of H, F, Cl, Br, and I; n is an integer from 1 to 8; and n? is an integer from 1 to 12.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: June 7, 2022
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, Emma Jane Hodgson
  • Patent number: 10926215
    Abstract: A method of drying a fluid comprising a fluoropropene, which method comprises the step of contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. A heat transfer device comprising a heat transfer fluid comprising a fluoropropene, and a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. Preferably, the fluoropropene is R134yf or R-1225ye.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 23, 2021
    Assignee: Mexichem Amaneo Holding S.A. de C.V.
    Inventors: Robert Elliott Low, Stuart Corr
  • Patent number: 10766849
    Abstract: A compound of formula (I): wherein W is independently selected from the group consisting of H, F, CI, Br, and I; X is independently selected from the group consisting of H, F, CI, Br, and I; Y is independently selected from the group consisting of F, CI, Br, and I; Z is independently selected from the group consisting of H, F, CI, Br, and I; n is an integer from 1 to 8; and n? is an integer from 1 to 12.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: September 8, 2020
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, Emma Jane Hodgson
  • Publication number: 20200239403
    Abstract: A compound of formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br, and I; X is independently selected from the group consisting of H, F, Cl, Br, and I; Y is independently selected from the group consisting of F, Cl, Br, and I; Z is independently selected from the group consisting of H, F, Cl, Br, and I; n is an integer from 1 to 8; and n? is an integer from 1 to 12.
    Type: Application
    Filed: February 19, 2020
    Publication date: July 30, 2020
    Applicant: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Andrew Paul SHARRATT, Robert Elliott LOW, Emma Jane HODGSON
  • Publication number: 20200101417
    Abstract: A method of drying a fluid comprising a fluoropropene, which method comprises the step of contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. A heat transfer device comprising a heat transfer fluid comprising a fluoropropene, and a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. Preferably, the fluoropropene is R134yf or R-1225ye.
    Type: Application
    Filed: December 3, 2019
    Publication date: April 2, 2020
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: ROBERT ELLIOTT LOW, STUART CORR
  • Patent number: 10493399
    Abstract: A method of drying a fluid comprising a fluoropropene, which method comprises the step of contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. A heat transfer device comprising a heat transfer fluid comprising a fluoropropene, and a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. Preferably, the fluoropropene is R134yf or R-1225ye.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: December 3, 2019
    Assignee: Mexichem Amanco Holding S.A. de C.V.
    Inventors: Robert Elliott Low, Stuart Corr
  • Publication number: 20190083927
    Abstract: A method of drying a fluid comprising a fluoropropene, which method comprises the step of contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. A heat transfer device comprising a heat transfer fluid comprising a fluoropropene, and a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 ? to about 5 ?. Preferably, the fluoropropene is R134yf or R-1225ye.
    Type: Application
    Filed: November 13, 2018
    Publication date: March 21, 2019
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: ROBERT ELLIOTT LOW, STUART CORR
  • Publication number: 20170313645
    Abstract: A compound of formula (I): wherein W is independently selected from the group consisting of H, F, CI, Br, and I; X is independently selected from the group consisting of H, F, CI, Br, and I; Y is independently selected from the group consisting of F, CI, Br, and I; Z is independently selected from the group consisting of H, F, CI, Br, and I; n is an integer from 1 to 8; and n? is an integer from 1 to 12.
    Type: Application
    Filed: October 21, 2015
    Publication date: November 2, 2017
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, Emma Jane Hodgson
  • Patent number: 8835699
    Abstract: The invention relates to a process for preparing 2,3,3,3-tetrafluoropropene (CF3CF?CH2), performed using the steps of dehydrohalogenating 1,1,1,2,2-pentafluoropropane (CH3CF2CF3, HFC-245ca) 1,1,1,2-tetrafluoro-2-chloropropane, 1,1,1,2,3-pentafluoropropane (CH2FCHFCF3, HFC-245eb) and/or 1,1,1,2-tetrafluoro-3-chloropropane in the presence of a base, and converting a trifluorodichloropropane or a difluorotrichloropropane or a fluorotetrachloropropane to CH3CF2CF3, 1,1,1,2-tetrafluoro-2-chloropropane, CH2FCHFCF3, and/or 1,1,1,2-tetrafluoro-3-chloropropane.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: September 16, 2014
    Assignee: Mexichem Amanco Holding S.A. de C.V
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, John Charles McCarthy
  • Patent number: 8822740
    Abstract: The invention relates to a process for preparing 2,3,3,3-tetrafluoropropene (CF3CF?CH2), performed using the steps of dehydrohalogenating 1,1,1,2,2-pentafluoropropane (CH3CF2CF3, HFC-245ca) 1,1,1,2-tetrafluoro-2-chloropropane, 1,1,1,2,3-pentafluoropropane (CH2FCHFCF3, HFC-245eb) and/or 1,1,1,2-tetrafluoro-3-chloropropane in the presence of a base, and converting a trifluorodichloropropane or a difluorotrichloropropane or a fluorotetrachloropropane to CH3CF2CF3, 1,1,1,2-tetrafluoro-2-chloropropane, CH2FCHFCF3, and/or 1,1,1,2-tetrafluoro-3-chloropropane.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: September 2, 2014
    Assignee: Mexichem Amanco Holding S.A. de C.V.
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, John Charles McCarthy
  • Publication number: 20140222699
    Abstract: The invention provides a heat transfer composition comprising up to about 30% by weight carbon dioxide (R-744), from about 30% to about 80% by weight difluoromethane (R-32), and 1,3,3,3-tetrafluoropropene (R-1234ze).
    Type: Application
    Filed: August 2, 2012
    Publication date: August 7, 2014
    Inventor: Robert Elliott Low
  • Publication number: 20130274528
    Abstract: The invention relates to a process for preparing 2,3,3,3-tetrafluoropropene (CF3CF?CH2), performed using the steps of dehydrohalogenating 1,1,1,2,2-pentafluoropropane (CH3CF2CF3, HFC-245ca) 1,1,1,2-tetrafluoro-2-chloropropane, 1,1,1,2,3-pentafluoropropane (CH2FCHFCF3, HFC-245eb) and/or 1,1,1,2-tetrafluoro-3-chloropropane in the presence of a base, and converting a trifluorodichloropropane or a difluorotrichloropropane or a fluorotetrachloropropane to CH3CF2CF3, 1,1,1,2-tetrafluoro-2-chloropropane, CH2FCHFCF3, and/or 1,1,1,2-tetrafluoro-3-chloropropane.
    Type: Application
    Filed: June 13, 2013
    Publication date: October 17, 2013
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, John Charles McCarthy
  • Publication number: 20130217927
    Abstract: The invention relates to a process for preparing 2,3,3,3-tetrafluoropropene (CF3CF?CH2), performed using the steps of dehydrohalogenating 1,1,1,2,2-pentafluoropropane (CH3CF2CF3, HFC-245ca) 1,1,1,2-tetrafluoro-2-chloropropane, 1,1,1,2,3-pentafluoropropane (CH2FCHFCF3, HFC-245eb) and/or 1,1,1,2-tetrafluoro-3-chloropropane in the presence of a base, and converting a trifluorodichloropropane or a difluorotrichloropropane or a fluorotetrachloropropane to CH3CF2CF3, 1,1,1,2-tetrafluoro-2-chloropropane, CH2FCHFCF3, and/or 1,1,1,2-tetrafluoro-3-chloropropane.
    Type: Application
    Filed: April 1, 2013
    Publication date: August 22, 2013
    Applicant: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, John Charles Mccarthy
  • Publication number: 20130193369
    Abstract: The invention provides a heat transfer composition comprising: (i) trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)); (ii) a second component selected from difluoromethane (R-32), propene (R-1270)propane (R290) and mixtures thereof; (iii) a third component selected from pentafluoroethane (R-125), 1,1,1,2-tetrafluoroethane (R-134a), and mixtures thereof; and optionally (iv) a fourth component selected from fluoroethane (R-161), 1,1-difluoroethane (R-152a) and mixtures thereof.
    Type: Application
    Filed: June 24, 2011
    Publication date: August 1, 2013
    Applicant: Mexichem Amanco Holding C.V. de S.A.
    Inventor: Robert Elliott Low
  • Patent number: 8410325
    Abstract: The invention relates to a process for preparing a compound of formula CF3CF?CHX, CHX2CX?CX2 or a linear or branched C4-7 (hydro)fluoroalkene, wherein each X is, independently, H or F provided that in CHX2CX?CX2 at least one X is F, which process comprises dehydrohalogenating a compound of formula CF3CFYCH2X, CF3CFHCYHX, CHX2CXYCX2H, CHX2CXHCX2Y, or a linear or branched C4-7 hydro(halo)fluoroalkane, wherein each X is, independently, H or F provided that in CHX2CXYCX2H and CHX2CXHCX2Y at least one X is F, wherein Y is F, Cl, Br, or I, in the presence of a base.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: April 2, 2013
    Assignee: Mexichem Amanco Holding S.A. de C.V.
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, John Charles McCarthy
  • Publication number: 20110260095
    Abstract: The invention provides a heat transfer composition comprising R-1243zf, R-32 (difluoromethane) and R-161 (fluoroethane).
    Type: Application
    Filed: December 2, 2009
    Publication date: October 27, 2011
    Applicant: MEXICHEM AMANCO HOLDINGS S.A. DE C.V.
    Inventor: Robert Elliott Low
  • Publication number: 20110258147
    Abstract: The invention provides a heat transfer composition comprising: (ii) R-1243zf; (iii) a second component selected from R-32 (difluoromethane), R-744 (CO)2, R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof; and (iv) a third component selected from R-134a (1,1,1,2-tetrafluoroethane), R-125 (pentafluoroethane), R-1234yf (2,3,3,3-tetrafluoroprop-1-ene) and mixtures thereof.
    Type: Application
    Filed: December 2, 2009
    Publication date: October 20, 2011
    Applicant: MEXICHEM AMANCO HOLDINGS S.A. DE C.V.
    Inventor: Robert Elliott Low
  • Publication number: 20110258146
    Abstract: The invention provides a heat transfer composition comprising a minimum of about 80% by weight of R-1243zf and a maximum of 20% by weight of R-32, based on the total weight of the composition.
    Type: Application
    Filed: December 2, 2009
    Publication date: October 20, 2011
    Applicant: MEXICHEM AMANCO HOLDINGS S.A. DE C.V.
    Inventor: Robert Elliott Low
  • Publication number: 20100145111
    Abstract: The invention relates to a process for preparing a compound of formula CF3CF?CHX, CHX2CX?CX2 or a linear or branched C4-7 (hydro)fluoroalkene, wherein each X is, independently, H or F provided that in CHX2CX?CX2 at least one X is F, which process comprises dehydrohalogenating a compound of formula CF3CFYCH2X, CF3CFHCYHX, CHX2CXYCX2H, CHX2CXHCX2Y, or a linear or branched hydro(halo)fluoroalkane, wherein each X is, independently, H or F provided that in CHX2CXYCX2H and CHX2CXHCX2Y at least one X is F, wherein Y is F, Cl, Br, or I, in the presence of a base.
    Type: Application
    Filed: December 18, 2007
    Publication date: June 10, 2010
    Inventors: Andrew Paul Sharratt, Robert Elliott Low, John Charles McCarthy