Patents by Inventor Robert E. Low

Robert E. 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).

  • COMPOSITIONS
    Publication number: 20240018403
    Abstract: A composition comprises (i) from about 2 to about 50% by weight 1,1-difluoroethene (vinylidene fluoride, R-1132a), (ii) from about 2 to about 95% by weight difluoromethane (R-32), and (iii) 2,3,3,3-tetrafluoropropene (R-1234yf).
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Applicant: MEXICHEM FLUOR S.A DE C.V.
    Inventor: ROBERT E. LOW
  • Compositions
    Patent number: 11773308
    Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: October 3, 2023
    Assignee: MEXICHEM FLUOR S.A DE C.V.
    Inventor: Robert E. Low
  • Heat transfer compositions
    Patent number: 11760911
    Abstract: A heat transfer composition includes: (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-34a), and mixtures thereof; and optionally (iv) a fourth component selected from fluoroethane (R-161), 1,1-difluoroethane (R-152a) and mixtures thereof.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: September 19, 2023
    Assignee: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventor: Robert E. Low
  • Compositions
    Patent number: 11692115
    Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: July 4, 2023
    Assignee: MEXICHEM FLUOR S.A DE C.V.
    Inventor: Robert E. Low
  • Refrigerant composition
    Patent number: 11692114
    Abstract: A refrigerant composition comprising carbon dioxide (CO2; R-744) and from 1 to 32 weight % difluoromethane (R-32) based on the total weight of the composition is described. Also described is the use of the refrigerant composition for providing heating and cooling and a refrigeration, air-conditioning or heat pump system comprising the refrigerant composition.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: July 4, 2023
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventor: Robert E. Low
  • COMPOSITIONS
    Publication number: 20230123381
    Abstract: The invention provides a composition comprising (a) carbon dioxide (R-744, C02); (b) difluoromethane (R-32); and (c)a third component selected from 1,1,1,2-tetrafluoroethane (R- 134a), trans- 1,3, 3, 3-tetrafluoropropene (R-1234ze(E)), 2,3,3,3-tetrafluoropropene (R-1234yf), 1,1,1,2,3,3,3-heptafluoropropane (R-227ea) and mixtures thereof.
    Type: Application
    Filed: February 12, 2021
    Publication date: April 20, 2023
    Inventor: Robert E. Low
  • COMPOSITIONS
    Publication number: 20230105619
    Abstract: The invention provides a composition comprising carbon dioxide (CO2, R-744), difluoromethane (R-32) and trifluoroiodomethane (CF3I) and the use of such a composition as a working fluid in a heat transfer system, such as a refrigeration, heat pump or air-conditioning system.
    Type: Application
    Filed: February 12, 2021
    Publication date: April 6, 2023
    Inventor: Robert E. Low
  • COMPOSITIONS
    Publication number: 20230082725
    Abstract: According to the present invention, there is provided a composition carbon dioxide (CO2, R-744), difluoromethane (R-32) and 1,1-difluoroethylene (R-1132a).
    Type: Application
    Filed: February 12, 2021
    Publication date: March 16, 2023
    Inventor: Robert E. Low
  • Compositions
    Patent number: 11560502
    Abstract: The present invention provides a composition, such as a refrigerant composition comprising 1,1-difluoroethene (vinylidene fluoride, R-1132a); trifluoromethane (R-23); and one or more compound selected from hexafluoroethane (R-116), ethane (R-170) and carbon dioxide (R-744, CO2).
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: January 24, 2023
    Assignee: MEXICHEM FLUOR S.A.DE C.V.
    Inventors: Robert E. Low, Andrew Sharratt
  • COMPOSITIONS
    Publication number: 20210395589
    Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).
    Type: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Applicant: MEXICHEM FLUORS S.A DE C. V.
    Inventor: ROBERT E. LOW
  • COMPOSITIONS
    Publication number: 20210395590
    Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).
    Type: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Applicant: MEXICHEM FLUOR S.A DE C.V.
    Inventor: ROBERT E. LOW
  • COMPOSITIONS
    Publication number: 20210388252
    Abstract: The present invention provides a composition, such as a refrigerant composition comprising 1,1-difluoroethene (vinylidene fluoride, R-1132a); trifluoromethane (R-23); and one or more compound selected from hexafluoroethane (R-116), ethane (R-170) and carbon dioxide (R-744, CO2).
    Type: Application
    Filed: June 21, 2021
    Publication date: December 16, 2021
    Inventors: Robert E. Low, Andrew Sharratt
  • Compositions
    Patent number: 11136482
    Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetra-fluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: October 5, 2021
    Assignee: MEXICHEM FLUOR S.A DE C.V.
    Inventor: Robert E Low
  • REFRIGERANT COMPOSITION AND USE THEREOF
    Publication number: 20210261840
    Abstract: Use as a refrigerant in a heat pump system in an electric vehicle of a composition is described. The composition comprises 1,1-difluoroethylene (R-1132a) and at least one fluorocarbon refrigerant compound selected from the group consisting of 2,3,3,3-tetrafluoropropene (R-1234yf), difluoromethane (R-32), 1,3,3,3-tetrafluoropropene (R-1234ze(E)) and 1,1-difluoroethane (R-152a).
    Type: Application
    Filed: August 14, 2019
    Publication date: August 26, 2021
    Inventor: Robert E. Low
  • Compositions comprising 1,1-difluoroethene, trifluoromethane and a third component
    Patent number: 11084962
    Abstract: The present invention provides a composition, such as a refrigerant composition comprising 1, 1-difluoroethene (vinylidene fluoride, R-1132a); trifluoromethane (R-23); and one or more compound selected from hexafluoroethane (R-116), ethane (R-170) and carbon dioxide (R-744, CO2).
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: August 10, 2021
    Inventors: Robert E. Low, Andrew Sharratt
  • HEAT TRANSFER COMPOSITIONS
    Publication number: 20210198548
    Abstract: A heat transfer composition includes: (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-34a), 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: November 10, 2020
    Publication date: July 1, 2021
    Inventor: Robert E. Low
  • REFRIGERANT COMPOSITION
    Publication number: 20210179908
    Abstract: A refrigerant composition comprising carbon dioxide (CO2; R-744) and from 1 to 32 weight % difluoromethane (R-32) based on the total weight of the composition is described. Also described is the use of the refrigerant composition for providing heating and cooling and a refrigeration, air-conditioning or heat pump system comprising the refrigerant composition.
    Type: Application
    Filed: August 14, 2019
    Publication date: June 17, 2021
    Inventor: Robert E. Low
  • Heat transfer compositions
    Patent number: 10844260
    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: Grant
    Filed: April 23, 2019
    Date of Patent: November 24, 2020
    Assignee: MEXICHEM AMANCO HOLDING S.A. DE C.V.
    Inventor: Robert E. Low
  • Compositions comprising 1,1-difluoroethene (R-1132A)
    Patent number: 10767913
    Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a); a second component selected from the group consisting of hexafluoroethane (R-116), ethane (R-170) and mixtures thereof; and, optionally carbon dioxide (CO2, R-744).
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: September 8, 2020
    Assignee: Mexichem Fluor S.A. De C.V.
    Inventors: Robert E. Low, Andrew P. Sharratt
  • COMPOSITIONS
    Publication number: 20200224071
    Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetra-fluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).
    Type: Application
    Filed: August 6, 2018
    Publication date: July 16, 2020
    Applicant: MEXICHEM FLUOR S.A. DE C.V.
    Inventor: ROBERT E LOW