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).

  • Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
    Patent number: 8163196
    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: October 26, 2009
    Date of Patent: April 24, 2012
    Assignee: Honeywell International Inc.
    Inventors: Rajat Basu, Leslie Bement, Kane Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams
  • Azeotrope-like compositions of difluoromethane and trifluoroiodomethane
    Patent number: 8163689
    Abstract: Provided are azeotrope-like compositions comprising difluoromethane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: April 24, 2012
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson
  • Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
    Patent number: 8148317
    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: July 28, 2009
    Date of Patent: April 3, 2012
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, Gary Knopeck, Louis E. Herena, Jeremy N. Diringer
  • AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20120064014
    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 17, 2011
    Publication date: March 15, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RAJAT BASU, LESLIE BEMENT, KANE COOK, RYAN HULSE, GARY KNOPECK, HANG T. PHAM, RAJIV R. SINGH, DAVID J. WILLIAMS
  • AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20120065274
    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 17, 2011
    Publication date: March 15, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RAJAT BASU, LESLIE BEMENT, KANE COOK, RYAN HULSE, GARY KNOPECK, HANG T. PHAM, RAJIV R. SINGH, DAVID J. WILLIAMS
  • 1,3,3,3-TETRAFLUOROPROPENE PROCESS AZEOTROPES WITH HF
    Publication number: 20120056122
    Abstract: The present invention pertains to azeotropic and azeotrope-like compositions of the following three blends: 1. Trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)) and hydrogen fluoride (HF); 2. HFO-1234ze(E), 1,1,1,3,3-pentafluoropropane (HFC-245fa) and HF; and 3. HFO-1234ze(Z), HFC-245fa and HF. These azeotropic and azeotrope-like compositions are useful as intermediates in the production of HFO-1234ze(E).
    Type: Application
    Filed: September 3, 2010
    Publication date: March 8, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Ryan Hulse, Hang T. Pham, Rajiv Ratna Singh, Daniel C. Merkel, Konstantin A. Pokrovski, Hsueh Sung Tung
  • AZEOTROPE-LIKE COMPOSITION OF 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE (HCFC-244bb) AND HYDROGEN FLUORIDE (HF)
    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
  • Azeotrope-like compositions of tetrafluoropropene and alcohols
    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
  • Azeotrope-like composition of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF)
    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
  • Azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene
    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
  • AZEOTROPE-LIKE COMPOSITIONS OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE
    Publication number: 20120004299
    Abstract: This invention relates to azeotrope-like compositions, methods and systems having utility in numerous applications, and in particular, uses for azeotrope-like compositions comprising effective amounts of the compound cis-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzzm), which has the following structure: and another material selected from the group consisting of water, fluoroketones, alcohols, hydrochlorofluoroolefins, and combinations of two or more thereof. These compositions may be used in a wide variety of applications such as, blowing agents, refrigerants, heating agents, power cycle agents, cleaning agents, aerosol propellants, sterilization agents, lubricants, flavor and fragrance extractants, flammability reducing agents, and flame suppression agents.
    Type: Application
    Filed: December 14, 2010
    Publication date: January 5, 2012
    Applicant: Honeywell International Inc.
    Inventors: Ryan Hulse, Rajiv Ratna Singh, Martin R. Paonessa, Hang T. Pham, Mary Bogdan, Cliff Gittere, Martin Cheney, Linda L. Cheney
  • Azeotrope-like composition of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and hydrogen fluoride (HF)
    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
  • Azeotrope-Like Composition of Hexafluoropropane, Hexafluoropropene and Hydrogen Fluoride
    Publication number: 20110295045
    Abstract: The present invention relates to an azeotropic or azeotrope-like mixture consisting essentially of 1,1,1,2,3,3-hexafluoropropane, hexafluoropropene and hydrogen fluoride.
    Type: Application
    Filed: May 27, 2010
    Publication date: December 1, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RYAN HULSE, HANG T. PHAM, RAJIV RATNA SINGH, HSUEH SUNG TUNG, DANIEL C. MERKEL, KONSTANTIN A. POKROVSKI
  • COMPOSITIONS CONTAINING TETRAFLUOROPROPENE AND CARBON DIOXIDE
    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
  • Compositions containing fluorine substituted olefins
    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
  • Azeotrope-like compositions of trans-1,1,1,4,4,4-hexafluoro-2-butene and water
    Patent number: 8066901
    Abstract: Provided are azeotropic and azeotrope-like compositions of trans-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz(E)) and water. Such azeotropic and azeotrope-like compositions are useful in isolating HFO-1336mzz(E) from impurities during production. Azeotropes of the instant invention are similarly useful in final compositions, such as blowing agent, propellants, refrigerants, diluents for gaseous sterilization and the like.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: November 29, 2011
    Assignee: Honeywell International Inc.
    Inventors: Ryan Hulse, Hang T. Pham, Rajiv Ratna Singh
  • Azeotrope-Like Compositions of 1,1,2,3-Tetrachloropropene And Hydrogen Fluoride
    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
  • Azeotrope-Like Compositions Of Tetrafluoropropene And Water
    Publication number: 20110275723
    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: Application
    Filed: April 8, 2011
    Publication date: November 10, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Ryan Hulse, Haluk Kopkalli, Hang T. Pham
  • Azeotrope-Like Compositions Of Pentafluoropropene And Water
    Publication number: 20110275724
    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: Application
    Filed: April 8, 2011
    Publication date: November 10, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Ryan Hulse, Haluk Kopkalli, Hang T. Pham
  • Compositions comprising tetrafluoropropene and carbon dioxide
    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