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: 20120053372
    Abstract: The invention is directed to a ternary azeotrope-like mixture consisting essentially of effective amounts of 1,1,1,3,3-pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride.
    Type: Application
    Filed: November 7, 2011
    Publication date: March 1, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RYAN HULSE, RAJIV R. SINGH, HSUEH S. TUNG, IAN SHANKLAND
  • Publication number: 20120053370
    Abstract: Dehydrohalogenation processes for the preparation of fluoropropenes from corresponding halopropanes, in which the fluoropropenes have the formula CF3CY?CXNHP, wherein X and Y are independently hydrogen or a halogen selected from fluorine, chlorine, bromine and iodine; and N and P are independently integers equal to 0, 1 or 2, provided that (N+P)=2.
    Type: Application
    Filed: September 6, 2011
    Publication date: March 1, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Daniel C. Merkel, Rajiv R. Singh, Hsueh Sung Tung
  • Publication number: 20120043492
    Abstract: The instant invention relates to compositions comprising a blend 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) and 1,1-dichloro-1-fluoroethane (HCFC 141b). In particular, the instant invention relates to blowing agents and foamable compositions containing at least such a blend, as well as solvents containing such a blend.
    Type: Application
    Filed: August 15, 2011
    Publication date: February 23, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: David J. WILLIAMS, Rajiv R. SINGH, James M. BOWMAN
  • Publication number: 20120037843
    Abstract: Provided are azeotropic and azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) 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 28, 2011
    Publication date: February 16, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HANG T. PHAM, RAJIV R. SINGH, HSUEHSUNG TUNG, KONSTANTIN A. POKROVSKI, DANIEL C. MERKEL
  • Patent number: 8114308
    Abstract: Provided are azeotropic and azeotrope-like compositions of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) 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: March 30, 2010
    Date of Patent: February 14, 2012
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Hang T. Pham, Ryan Hulse, Rajiv R. Singh, Konstantin A. Pokrovski, Hsueh S. Tung
  • Patent number: 8114828
    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: April 16, 2007
    Date of Patent: February 14, 2012
    Assignee: Honeywell International Inc.
    Inventors: Jim M Bowman, David J Williams, Rajiv R Singh, Hang T Pham, Justin L Becker
  • Patent number: 8101672
    Abstract: The invention pertains to azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene (HFC-1225yc) and any one of 1,1,1,2-tetrafluoropropene (HFC-1234yf) or the Z-isomer of 1,1,1,2,3-pentafluoropropene (HFC-1225yeZ), and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: January 24, 2012
    Assignee: Honeywell International Inc.
    Inventors: Ryan J. Hulse, Hang T. Pham, Rajiv R. Singh
  • Patent number: 8075797
    Abstract: The invention is directed to a ternary azeotrope-like mixture consisting essentially of effective amounts of 1,1,1,3,3-pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: December 13, 2011
    Assignee: Honeywell International Inc.
    Inventors: Ryan Hulse, Rajiv R. Singh, Hsueh S. Tung, Ian Shankland
  • Patent number: 8070975
    Abstract: Provided are azeotropic and azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) 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: February 10, 2009
    Date of Patent: December 6, 2011
    Assignee: Honeywell International Inc.
    Inventors: Hang T. Pham, Rajiv R. Singh, HsuehSung Tung, Konstantin A. Pokrovski, Daniel C. Merkel
  • Publication number: 20110289748
    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: August 5, 2011
    Publication date: December 1, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RAJIV R. SINGH, HANG T. PHAM, IAN SHANKLAND
  • Patent number: 8067660
    Abstract: A method for restraining a chemical discharge comprising (a) deploying a binding agent into a receptacle containing a hazardous material in a liquid state upon the occurrence of at least one predetermined event that increases the risk of accidentally discharging or leaking the hazardous material from the receptacle; and (b) contacting the hazardous material with the binding agent to form a composition comprising at least a portion of the hazardous material and the binding agent and having at least one property selected from a solid or semisolid state, a viscosity greater than the viscosity of the hazardous material at ambient conditions, a vapor pressure lower than the vapor pressure of the hazardous material at ambient conditions, and a surface tension greater that the surface tension of the hazardous material.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: November 29, 2011
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Ian Shankland, Colleen D. Szuch
  • Patent number: 8065882
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including connection with blowing agents, foams, foamable compositions, foaming methods, heat transfer compositions and methods, propellants, and solvating methods.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: November 29, 2011
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland, Raynond H. Thomas, David P. Wilson
  • Publication number: 20110287996
    Abstract: An azeotrope-like composition consisting essentially of 1,1,2,3-tetrachloropropene and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition.
    Type: Application
    Filed: August 4, 2011
    Publication date: November 24, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HSUEH S. TUNG, HANG T. PHAM, RAJIV R. SINGH, DANIEL C. MERKEL, ROBERT JOHNSON
  • Patent number: 8053404
    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: Grant
    Filed: September 11, 2009
    Date of Patent: November 8, 2011
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Patent number: 8034251
    Abstract: Provided are ternary azeotropic and azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb), 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: March 18, 2009
    Date of Patent: October 11, 2011
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Konstantin A. Pokrovski, Hsuehsung Tung, Hang T. Pham, Rajiv R. Singh
  • Patent number: 8034984
    Abstract: Dehydrohalogenation processes for the preparation of fluoropropenes from corresponding halopropanes, in which the fluoropropenes have the formula CF3CY?CXNHP, wherein X and Y are independently hydrogen or a halogen selected from fluorine, chlorine, bromine and iodine; and N and P are independently integers equal to 0, 1 or 2, provided that (N+P)=2.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: October 11, 2011
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Rajiv R. Singh, Hsueh S. Tung
  • Patent number: 8033120
    Abstract: The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is disclosed. These materials 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: Grant
    Filed: April 20, 2009
    Date of Patent: October 11, 2011
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas, Ian Shankland
  • Publication number: 20110240902
    Abstract: Provided are azeotropic and azeotrope-like compositions of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF).
    Type: Application
    Filed: March 30, 2010
    Publication date: October 6, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Daniel C. Merkel, Hang T. Pham, Ryan Hulse, Rajiv R. Singh, Konstantin A. Pokrovski, Hsueh S. Tung
  • Publication number: 20110232939
    Abstract: A method for suppressing an electric arc or corona discharge includes providing a device capable of storing, transmitting, or generating an electrical current or field; and enveloping at least a portion of said device with a dielectric gas consisting essentially of: sulfur hexafluoride; a second component selected from the group consisting of nitrous oxide; carbon dioxide; trifluoromethane (R32); trifluoroiodomethane; octafluoropropane (R218); 1,1,1,2,2-pentafluoroethane (R125); propane (R290); 1,1,1,2-tetrafluoropropene (HFO-1234yf); 1,2,3,3-tetrafluoro-2-propene (HFO-1234yc); 1,1,3,3-tetrafluoro-2-propene (HFO-1234zc); 1,1,1,3-tetrafluoro-2-propene (HFO-1234ze); 1,1,2,3-tetrafluoro-2-propene (HFO-1234ye); 1,1,1,2,3-pentafluoropropene (HFO-1225ye); 1,1,2,3,3-pentafluoropropene (HFO-1225yc); 1,1,1,3,3-pentafluoropropene (HFO-1225zc); (Z)1,1,1,3-tetrafluoropropene (HFO-1234zeZ); (Z)1,1,2,3-tetrafluoro-2-propene (HFO-1234yeZ); (E)1,1,1,3-tetrafluoropropene (HFO-1234zeE); (E)1,1,2,3-tetrafluoro-2-propene (HFO-12
    Type: Application
    Filed: June 9, 2011
    Publication date: September 29, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Matthew H. Luly, Rajiv R. Singh, Robert G. Richard
  • Publication number: 20110232306
    Abstract: An absorptive refrigeration method and refrigerant/absorbant pairs comprising fluorinated organic compounds, such as fluorinated organic compounds having from one to eight carbon atoms (C1-C8), including hydrofluoroolefin and/or hydrochlorofluoroolefin compounds. In certain embodiments, a fluorinated organic compound, including certain hydrofluoroolefin and/or hydrochlorofluoroolefin compounds (e.g. C2-C4 hydrofluoroolefin and/or hydrochlorofluoroolefin compounds) is/are utilized as the refrigerant, with the absorbant portion either being a fluorinated organic compound or a non-fluorinated oil.
    Type: Application
    Filed: March 30, 2011
    Publication date: September 29, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RYAN HULSE, CHRISTOPHER J. SEETON, MARK W. SPATZ, RAJIV R. SINGH