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).

  • Publication number: 20200157262
    Abstract: The invention relates fluorocopolymer compositions for use in coating wires and cables, the use of the coating compositions, and to a substrate coated with the composition. The invention provides a fluorocopolymer that comprises hydrofluoroolefin monomers, vinyl ester monomers and/or halogen-containing monomers.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: ANDREW J. POSS, DAVID NALEWAJEK, RAJIV R. SINGH, Veronika Viner, Christophe Roger
  • Patent number: 10597346
    Abstract: The production of solvents for applications such as heat transfer, cleaning, and degreasing, for example. In particular, the production of solvents derived from 1-chloro-3,3,3-trifluoro-propene, such as chloro and/or fluoro substituted alkanes and chloro and/or fluoro substituted trifluoropropenyl ethers.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: March 24, 2020
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Ya Qun Liu, Hong Min Huang, Jun Liu, Rajiv R. Singh
  • Patent number: 10435342
    Abstract: Various compositions, including particularly aerosol compositions, containing fluorinated olefins, including particularly tetra- and penta-fluorpropenes, in a variety of applications are disclosed.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: October 8, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Patent number: 10427999
    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: Grant
    Filed: March 6, 2017
    Date of Patent: October 1, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Haiyou Wang, Hsueh Sung Tung, Rajiv R. Singh, Ian Shankland
  • Publication number: 20190292120
    Abstract: The production of solvents for applications such as heat transfer, cleaning, and degreasing, for example. In particular, the production of solvents derived from 1-chloro-3,3,3-trifluoro-propene, such as chloro and/or fluoro substituted alkanes and chloro and/or fluoro substituted trifluoropropenyl ethers.
    Type: Application
    Filed: June 10, 2019
    Publication date: September 26, 2019
    Inventors: Ya Qun Liu, Hong Min Huang, Jun Liu, Rajiv R. Singh
  • Patent number: 10414705
    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: Grant
    Filed: January 31, 2017
    Date of Patent: September 17, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Haiyou Wang, Hsueh Sung Tung, Rajiv R. Singh, Ian Shankland
  • Patent number: 10351499
    Abstract: The production of solvents for applications such as heat transfer, cleaning, and degreasing, for example. In particular, the production of solvents derived from 1-chloro-3,3,3-trifluoro-propene, such as chloro and/or fluoro substituted alkanes and chloro and/or fluoro substituted trifluoropropenyl ethers.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: July 16, 2019
    Assignee: Honeywell International Inc.
    Inventors: Ya Qun Liu, Hong Min Huang, Jun Liu, Rajiv R. Singh
  • Publication number: 20190144628
    Abstract: Disclosed are compositions useful in a wide variety of applications, including heat transfer fluids which possess a highly desirable and unexpectedly superior combination of properties, and heat transfer systems and methods based on these fluids. The preferred heat transfer fluid comprises from about 1 to about 40 percent, on a weight basis, of carbon dioxide (CO2) and from about 99 to about 60 percent, on a weight basis, of a compound having the Formula I XCFzR3-z (I), where X is a C2 or a C3 unsaturated, substituted or unsubstituted, alkyl radical, each R is independently Cl, F, Br, I or H, and z is 1 to 3. A preferred compound of Formula I is tetrafluoropropene, particularly 1,1,1,3-tetrafluoropropene and/or 1,1,1,3-tetrafluoropropene.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Publication number: 20190136107
    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: June 1, 2018
    Publication date: May 9, 2019
    Inventors: RAJIV R. SINGH, HANG T. PHAM, GARY M. KNOPECK
  • Publication number: 20190136108
    Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.
    Type: Application
    Filed: July 27, 2018
    Publication date: May 9, 2019
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RAJIV R. SINGH, HARIDASAN K. NAIR, RAYMOND H. THOMAS, LAWRENCE A. FORD, DAVID P. WILSON
  • Publication number: 20190125671
    Abstract: Disclosed are medicinal compositions, and devices, methods and systems which use same, comprising a propellant and at lease one medicinally active compound, said propellant comprising at least one fluoroolefin having at least two but less than seven carbon atoms.
    Type: Application
    Filed: December 18, 2018
    Publication date: May 2, 2019
    Inventors: Gary M. Knopeck, Jeremy Diringer, Louis Herena, Rajiv R. Singh
  • Patent number: 10259760
    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: Grant
    Filed: October 10, 2016
    Date of Patent: April 16, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Hang T. Pham, Daniel C. Merkel, Konstantin A. Pokrovski, Hsueh S. Tung, Rajiv R. Singh
  • Publication number: 20190071585
    Abstract: The present invention generally relates to a novel polymeric material formed, at least in part, from monomeric material comprising 2,3,3,3-tetrafluoropropene (CF3CF?CH2, 1234yf), to polymeric compositions, to coating compositions, and to uses thereof.
    Type: Application
    Filed: November 2, 2018
    Publication date: March 7, 2019
    Inventors: DAVID NALEWAJEK, ANDREW J. POSS, CHERYL CANTLON, RAJIV R. SINGH, CHANGQING LU, THOMAS CANTIE
  • Publication number: 20190055442
    Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent comprising a diene-based compound. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.
    Type: Application
    Filed: July 20, 2018
    Publication date: February 21, 2019
    Inventors: Rajiv R. Singh, Haridasan K. Nair, Raymond H. Thomas, Lawrence A. Ford, David P. Wilson
  • Publication number: 20180371133
    Abstract: In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided.
    Type: Application
    Filed: March 27, 2018
    Publication date: December 27, 2018
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • Publication number: 20180362820
    Abstract: A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C1-c5 hydrofluorocarbon, from about 0.1 weight percent to about 50 weight percent of CF3I, and from about 0.1 weight percent to about 10 weight percent of at least one C1-c6 hydrocarbon and the use of these composition for in methods of the recharging of refrigeration systems.
    Type: Application
    Filed: April 9, 2018
    Publication date: December 20, 2018
    Inventors: MARK W. SPATZ, RAYMOND H. THOMAS, RAJIV R. SINGH, I, SAMUEL F. YANA MOTTA, DAVID P. WILSON, ELIZABET DEL CARMEN VERA BECERRA
  • Publication number: 20180346781
    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-HFO-1233, or HFO-1354 having properties highly beneficial in foaming and blowing agent applications, articles and methods.
    Type: Application
    Filed: August 3, 2018
    Publication date: December 6, 2018
    Inventors: Robert C. Johnson, Hsueh S. Tung, Rajiv R. Singh, Ian Shankland
  • Publication number: 20180343858
    Abstract: A copolymer comprising trans-1,3,3,3-tetrafluoropropene units and vinylidene fluoride units, and methods of making the same. A method of preventing biofouling on an article of manufacture, comprising applying such copolymer to the article of manufacture. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising applying such a copolymer to a support. A method of preventing accumulation of ice on an article of manufacture, comprising applying such a copolymer to an article of manufacture. A method of preparing a polymer, comprising a step of adding trans-1,3,3,3-tetrafluoropropene/vinylidene fluoride copolymer as a polymer processing additive/aid to said polymer.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 6, 2018
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • Publication number: 20180291248
    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: June 11, 2018
    Publication date: October 11, 2018
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas
  • Publication number: 20180250607
    Abstract: Various uses of monochlorotrifluoropropenes, in combination with one or more other components, including other fluoroalkenes, hydrocarbons; hydrofluorocarbons (HFCs), ethers, alcohols, aldehydes, ketones, methyl formate, formic acid, water, trans-1,2-dichloroethylene, carbon dioxide and combinations of any two or more of these, in a variety of applications, including as blowing agents, are disclosed.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 6, 2018
    Inventor: Rajiv R. Singh