Patents by Inventor Hang T. Pham

Hang T. Pham 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).

  • AZEOTROPIC COMPOSITIONS OF 1,1,3,3-TETRACHLOROPROP-1-ENE AND HYDROGEN FLUORIDE
    Publication number: 20160221902
    Abstract: Provided are azeotropic or azeotrope-like mixtures of 1,1,3,3-tetrachloroprop-1-ene (HCO-1230za) and hydrogen fluoride. Such compositions are useful as feed stock in the production of HFC-245fa and HCFO-1233zd.
    Type: Application
    Filed: April 11, 2016
    Publication date: August 4, 2016
    Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Haiyou Wang, Stephen A. Cottrell, Hang T. Pham
  • AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20160215190
    Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1-C3 alcohol, a C5-C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.
    Type: Application
    Filed: November 2, 2015
    Publication date: July 28, 2016
    Inventors: Rajat Basu, Leslie Bement, Kane D. Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams
  • AZEOTROPE-LIKE COMPOSITIONS OF TETRAFLUOROPROPENE AND ALCOHOLS
    Publication number: 20160184194
    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: Application
    Filed: August 31, 2015
    Publication date: June 30, 2016
    Inventors: James M. Bowman, Rajiv R. Singh, David J. Williams, Hang T. Pham, Justin L. Becker
  • Azeotropic compositions of 1,1,3,3-tetrachloroprop-1-ene and hydrogen fluoride
    Patent number: 9334210
    Abstract: Provided are azeotropic or azeotrope-like mixtures of 1,1,3,3-tetrachloroprop-1-ene (HCO-1230za) and hydrogen fluoride. Such compositions are useful as feed stock in the production of HFC-245fa and HCFO-1233zd.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: May 10, 2016
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Haiyou Wang, Stephen A. Cottrell, Hang T. Pham
  • Azeotropic compositions of 1,3,3-trichloro-1,1-difluoropropane and hydrogen fluoride
    Patent number: 9272969
    Abstract: Provided are azeotropic or azeotrope-like mixtures of 1,3,3-trichloro-1,1-difluoro-propane (HCFC-242fa) and hydrogen fluoride. Such compositions are useful as a feed stock or intermediate in the production of HFC-245fa and HCFO-1233zd.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 1, 2016
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Konstantin A. Pokrovski, Hsueh Sung Tung, Haiyou Wang, Stephen A. Cottrell, Hang T. Pham
  • COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME
    Publication number: 20160017231
    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: September 24, 2015
    Publication date: January 21, 2016
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Azeotropic compositions of 1,3,3,3-tetrachloroprop-1-ene and hydrogen fluoride
    Patent number: 9222177
    Abstract: Provided are azeotropic or azeotrope-like mixtures of 1,3,3,3-tetrachloroprop-1-ene (HCO-1230zd) and hydrogen fluoride. Such compositions are useful as a feed stock in the production of HFC245fa and HCFO1233zd.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: December 29, 2015
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Haiyou Wang, Ryan Hulse, Hang T. Pham
  • Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
    Patent number: 9175200
    Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1-C3 alcohol, a C5-C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: November 3, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajat Basu, Leslie Bement, Kane Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams
  • Compositions containing fluorine substituted olefins and methods and systems using same
    Patent number: 9157017
    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 26, 2014
    Date of Patent: October 13, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Azeotropic compositions of 1,1,1,3,3-pentachloropropane and hydrogen fluoride
    Patent number: 9139499
    Abstract: Provided are methods for forming azeotropic or azeotrope-like mixtures of 1,1,1,3,3-pentachloro-propane (240fa) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of HFC-245fa and HCFO-1233zd.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: September 22, 2015
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Hang T. Pham, Ryan Hulse
  • Azeotrope-like compositions of tetrafluoropropene and water
    Patent number: 9126888
    Abstract: Provided are azeotropic and azeotrope-like compositions of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) and water. Such azeotropic and azeotrope-like compositions are useful in isolating trans-1,3,3,3-tetrafluoropropene from impurities during production. Azeotropes of the instant invention are similarly useful in final compositions or for the manufacture of final compositions, such as blowing agent, propellants, refrigerants, diluents for gaseous sterilization and the like.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: September 8, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Ryan Hulse, Haluk Kopkalli, Hang T. Pham
  • Azeotrope-like compositions of tetrafluoropropene and alcohols
    Patent number: 9120906
    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: July 25, 2014
    Date of Patent: September 1, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: James M. Bowman, Rajiv R. Singh, David J. Williams, Hang T. Pham, Justin L. Becker
  • AZEOTROPIC COMPOSITIONS OF 1,1,1,3,3-PENTACHLOROPROPANE AND HYDROGEN FLUORIDE
    Publication number: 20150166442
    Abstract: Provided are methods for forming azeotropic or azeotrope-like mixtures of 1,1,1,3,3-pentachloro-propane (240fa) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of HFC-245fa and HCFO-1233zd.
    Type: Application
    Filed: February 27, 2015
    Publication date: June 18, 2015
    Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Hang T. Pham, Ryan Hulse
  • AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20150147280
    Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1-C3 alcohol, a C5-C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 28, 2015
    Inventors: Rajat Basu, Leslie Bement, Kane Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams
  • Methods of replacing heat transfer fluids
    Patent number: 9005467
    Abstract: Various uses of tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including refrigeration equipment, are 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: June 26, 2006
    Date of Patent: April 14, 2015
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Willson, Raymond H. Thomas, Mark W. Spatz, David A. Metcalf
  • Azeotropic compositions of 1,1,1,3,3-pentachloropropane and hydrogen fluoride
    Patent number: 8999909
    Abstract: Provided are azeotropic or azeotrope-like mixtures of 1,1,1,3,3-pentachloro-propane (240fa) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of HFC-245fa and HCFO-1233zd.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: April 7, 2015
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Hang T. Pham, Ryan Hulse
  • Azeotropes of isobutylene with fluoro-olefins
    Patent number: 8987399
    Abstract: Azeotropic or azeotrope-like compositions of the present invention include trans-1,3,3,3-tetrafluoroprop-1-ene and isobutylene. The azeotropic or azeotrope-like compositions can be used in polymerization processes, including slurry polymerization processes.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 24, 2015
    Assignee: Honeywell International Inc.
    Inventors: Raymond H. Thomas, Hang T. Pham, Rajiv R. Singh
  • Azeotrope-Like Compositions Of Tetrafluoropropene And Hydrofluorocarbons
    Publication number: 20150065585
    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: November 11, 2014
    Publication date: March 5, 2015
    Inventors: RAJIV R. SINGH, HANG T. PHAM, GARY M. KNOPECK
  • Azeotrope-like compositions of pentafluoropropene and water
    Patent number: 8951431
    Abstract: Provided are azeotropic and azeotrope-like compositions of 1,2,3,3,3-pentafluoropropene (HFO-1225ye) and water. Such azeotropic and azeotrope-like compositions are useful in isolating 1,2,3,3,3-pentafluoropropene from impurities during production. Azeotropes of the instant invention are similarly useful in final compositions or manufacturing final compositions, such as blowing agent, propellants, refrigerants, diluents for gaseous sterilization and the like.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: February 10, 2015
    Assignee: E I du Pont de Nemours and Company
    Inventors: Ryan Hulse, Haluk Kopkalli, Hang T. Pham
  • Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
    Patent number: 8946312
    Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1-C3 alcohol, a C5-C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: February 3, 2015
    Assignee: Honeywell International Inc.
    Inventors: Rajat Basu, Leslie Bement, Kane Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams