Patents by Inventor Rajiv R. Singh

Rajiv R. Singh 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).

  • POLYMERIZATION OF 2,3,3,3-TETRAFLUOROPROPENE AND POLYMERS FORMED FROM 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20170240666
    Abstract: The present invention relates to methods of producing polymerized 2,3,3,3-tetrafluoropropene (poly-1234yf) using one or a combination of the techniques provided herein. In certain embodiments, such techniques include (1) emulsion polymerization; (2) suspension polymerization; (3) solution polymerization; (4) supercritical carbon dioxide polymerization; (5) transition metal catalyzed polymerization; (6) radiation or thermal polymerization; and combinations thereof. A wide array of initiators, catalysts, and solvents may be used in such polymerization processes and may include, but are not limited to, (1) radical initiators; (2) ionic initiators; and (3) single-site and multiple-site catalysts.
    Type: Application
    Filed: May 1, 2017
    Publication date: August 24, 2017
    Inventors: CHANGQING LU, ANDREW J. POSS, DAVID NALEWAJEK, CHERYL CANTLON, RAJIV R. SINGH
  • COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME
    Publication number: 20170233623
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.
    Type: Application
    Filed: November 11, 2016
    Publication date: August 17, 2017
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas
  • FLUORINATED ALKENE REFRIGERANT COMPOSITIONS
    Publication number: 20170233624
    Abstract: Liquid compositions for use in compression refrigeration, air-conditioning and heat pump systems in which a fluoroalkene containing from 3 to 4 carbon atoms and at least 1 but no more than 2 double bonds is combined with an effective amount to provide lubrication of an essentially miscible organic lubricant comprised of carbon, hydrogen and oxygen and having a ratio of oxygen to carbon effective to provide a degree of miscibility with said fluoroalkene so that when up to five weight percent of lubricant is added to said fluoroalkene the refrigerant has one liquid phase at least one temperature between ?40 and +70° C. Methods for producing refrigeration and heating with the fluoroalkenes, alone or in combination with the disclosed lubricants, are also disclosed.
    Type: Application
    Filed: December 23, 2016
    Publication date: August 17, 2017
    Inventors: Raymond H. Thomas, Rajiv R. Singh
  • Azeotrope-like compositions comprising trans-1-chloro-3,3,3-trifluoropropene
    Patent number: 9725570
    Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of pentane, hexane, methanol, and trans-1,2-dichloroethene.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: August 8, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajat S. Basu, Kane D. Cook, Leslie Bement, Gary M. Knopeck, Rajiv R. Singh, Ryan Hulse, Hang T. Pham
  • FLUOROELASTOMERS
    Publication number: 20170218106
    Abstract: A fluoroelastomer comprising a copolymer of fluoroolefin monomers selected from one or more of the group consisting of 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene and 1-chloro-3,3,3-trifluoropropene, and ethylenically unsaturated co-monomers; wherein the fluoroelastomer has a glass transition temperature (Tg) of from about ?60° C. to about 53° C. A process of making the fluoroelastomer.
    Type: Application
    Filed: April 12, 2017
    Publication date: August 3, 2017
    Inventors: Kobe Feng, Andrew J. Poss, Jun Liu, Yun Lin, Rajiv R. Singh
  • Compositions containing fluorine substituted olefins and methods and systems using same
    Patent number: 9708537
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: July 18, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Compositions containing fluorine substituted olefins and methods and systems using same
    Patent number: 9695363
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 4, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • AZEOTROPE-LIKE COMPOSITION OF 2-CHLOR0-3,3,3-TRIFLUOROPROPENE (HCFC-1233xf) AND HYDROGEN FLUORIDE (HF)
    Publication number: 20170183278
    Abstract: Provided are azeotropic and azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and hydrogen fluoride (HF). Such azeotropic and azeotrope-like compositions are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf).
    Type: Application
    Filed: October 10, 2016
    Publication date: June 29, 2017
    Inventors: Hang T. Pham, Daniel C. Merkel, Konstantin A. Pokrovski, Hsueh S. Tung, Rajiv R. Singh
  • PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20170174591
    Abstract: The present invention discloses a manufacturing process to produce high purity 1234yf from 245eb, which preferably includes the removal of impurities present in 245eb raw material, the dehydrofluorination of 245eb, and the removal of impurities present in final crude product. The disclosed manufacturing process allows the production of a 1234yf product with lower the levels of 1225ye and/or trifluoropropene, preferably in amounts of less than about 500, and 50 ppm, respectively.
    Type: Application
    Filed: March 6, 2017
    Publication date: June 22, 2017
    Inventors: HAIYOU WANG, HSUEH SUNG TUNG, RAJIV R. SINGH, IAN SHANKLAND
  • COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME
    Publication number: 20170152422
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.
    Type: Application
    Filed: February 13, 2017
    Publication date: June 1, 2017
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas
  • Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
    Patent number: 9657208
    Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: May 23, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Gary M. Knopeck
  • PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20170137352
    Abstract: The present invention discloses a manufacturing process to produce high purity 1234yf from 245eb, which preferably includes the removal of impurities present in 245eb raw material, the dehydrofluorination of 245eb, and the removal of impurities present in final crude product. The disclosed manufacturing process allows the production of a 1234yf product with lower the levels of 1225ye and/or trifluoropropene, preferably in amounts of less than about 500, and 50 ppm, respectively.
    Type: Application
    Filed: January 31, 2017
    Publication date: May 18, 2017
    Inventors: HAIYOU WANG, HSUEH SUNG TUNG, RAJIV R. SINGH, IAN SHANKLAND
  • Azeotrope-like compositions of tetrafluoropropene and alcohols
    Patent number: 9649262
    Abstract: A composition including an effective amount of trans-1,3,3,3-tetrafluoropropene component combined with an effective amount of an alcohol selected from the group of methanol, ethanol, propanol, isopropanol, tert-butanol, isobutanol, 2-ethyl hexanol and any combination thereof, where the composition has azeotropic properties.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: May 16, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: James M. Bowman, Rajiv R. Singh, David J. Williams, Hang T. Pham, Justin L. Becker
  • Fluoroelastomers
    Patent number: 9631036
    Abstract: A fluoroelastomer comprising a copolymer of fluoroolefin monomers selected from one or more of the group consisting of 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene and 1-chloro-3,3,3-trifluoropropene, and ethylenically unsaturated co-monomers; wherein the fluoroelastomer has a glass transition temperature (Tg) of from about ?60° C. to about 53° C. A process of making the fluoroelastomer.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: April 25, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Kobe Feng, Andrew J. Poss, Jun Liu, Yun Lin, Rajiv R. Singh
  • Fluorinated alkene refrigerant compositions
    Patent number: 9631129
    Abstract: Liquid compositions for use in compression refrigeration, air-conditioning and heat pump systems in which a fluoroalkene containing from 3 to 4 carbon atoms and at least 1 but no more than 2 double bonds is combined with an effective amount to provide lubrication of an essentially miscible organic lubricant comprised of carbon, hydrogen and oxygen and having a ratio of oxygen to carbon effective to provide a degree of miscibility with said fluoroalkene so that when up to five weight percent of lubricant is added to said fluoroalkene the refrigerant has one liquid phase at at least one temperature between ?40 and +70° C. Methods for producing refrigeration and heating with the fluoroalkenes, alone or in combination with the disclosed lubricants, are also disclosed.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: April 25, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Raymond H. Thomas, Rajiv R. Singh
  • Azeotrope-Like Compositions of Tetrafluoropropene And Hydrofluorocarbons
    Publication number: 20170081576
    Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Application
    Filed: December 2, 2016
    Publication date: March 23, 2017
    Inventors: RAJIV R. SINGH, HANG T. PHAM, GARY M. KNOPECK
  • COMPOSITIONS CONTAINING CHLOROFLUOROOLEFINS OR FLUOROOLEFINS
    Publication number: 20170073558
    Abstract: Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO-HF0-1233, or HF0-1354 having properties highly beneficial in foaming and blowing agent applications, articles and methods.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 16, 2017
    Inventors: Robert C. Johnson, Hsueh S. Tung, Rajiv R. Singh, Ian Shankland
  • Aerosol compositions containing fluorine substituted olefins and methods and systems using same
    Patent number: 9592412
    Abstract: Various compositions, including particularly aerosol compositions, containing fluorinated olefins, including particularly tetra- and penta-fluoropropenes, in a variety of applications are disclosed.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: March 14, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas, Gary Knopeck
  • AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,2-TETRAFLUOROPROPENE AND 1,1,1,2-TETRAFLUOROETHANE
    Publication number: 20170065953
    Abstract: Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Inventors: Christopher J. Seeton, Hang T. Pham, Rajiv R. Singh, Ryan Hulse, Mark W. Spatz, David P. Wilson, Samuel F. Yana Motta
  • Compositions containing chlorofluoroolefins or fluoroolefins
    Patent number: 9586071
    Abstract: Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO—HF0-1233, or HF0-1354 having properties highly beneficial in foaming and blowing agent applications, articles and methods.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: March 7, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Robert C. Johnson, Hsueh S. Tung, Rajiv R. Singh, Ian Shankland