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 OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE
    Publication number: 20150018429
    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: September 30, 2014
    Publication date: January 15, 2015
    Inventors: Ryan Hulse, Rajiv Ratna Singh, Martin R. Paonessa, Martin Cheney, Hang T. Pham, Mary Bogdan, Cliff Gittere
  • Polymerization of monomers using fluorinated propylene solvents
    Patent number: 8927666
    Abstract: The present invention relates to the polymerization and copolymerization of monomers in the presence of fluorinated propylene solvents. More particularly, the present invention relates to the use of polymerization mediums suitable to polymerize one or more monomers to form polymers and/or copolymers, with a tetrafluoropolypropylene being used as a solvent or diluent for the one or more monomers.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: January 6, 2015
    Assignee: Honeywell International Inc.
    Inventors: Raymond H. Thomas, Hang T. Pham, Rajiv R. Singh
  • Azeotrope-Like Compositions Comprising Trans-1-Chloro-3,3,3-Trifluoropropene
    Publication number: 20140346390
    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: Application
    Filed: August 12, 2014
    Publication date: November 27, 2014
    Inventors: Rajat S. Basu, Kane D. Cook, Leslie Bement, Gary M. Knopeck, Rajiv R. Singh, Ryan Hulse, Hang T. Pham
  • AZEOTROPE-LIKE COMPOSITIONS OF TETRAFLUOROPROPENE AND ALCOHOLS
    Publication number: 20140336291
    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: July 25, 2014
    Publication date: November 13, 2014
    Inventors: JAMES M. BOWMAN, RAJIV R. SINGH, DAVID J. WILLIAMS, HANG T. PHAM, JUSTIN L. BECKER
  • Compositions containing fluorine substituted olefins
    Publication number: 20140332710
    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: Application
    Filed: June 26, 2006
    Publication date: November 13, 2014
    Applicant: Honeywell International, Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Willson, Raymond H. Thomas, Mark W. Spatz, David A. Metcalf
  • Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
    Patent number: 8883708
    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 19, 2013
    Date of Patent: November 11, 2014
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, Gary M. Knopeck
  • Azeotrope-like compositions of cis-1,1,1,4,4,4-hexafluoro-2-butene
    Patent number: 8846754
    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: Grant
    Filed: December 14, 2010
    Date of Patent: September 30, 2014
    Assignee: Honeywell International Inc.
    Inventors: Ryan Hulse, Rajiv Ratna Singh, Martin R. Paonessa, Hang T. Pham, Mary Bogdan, Cliff Gittere, Linda L. Cheney
  • Separation of close boiling compounds by addition of a third compound
    Patent number: 8845921
    Abstract: The invention provides a method for separating halocarbons. In particular, a method for separating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) by adding a third component and then separating via conventional distillation. More particularly the invention pertains to a method for separating HCFC-244bb from HCFC-1233xf which are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf).
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: September 30, 2014
    Assignee: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Konstantin A. Pokrovski, Hsueh S. Tung, Hang T. Pham, Rajiv R. Singh
  • AZEOTROPE-LIKE COMPOSITIONS OF TETRAFLUOROPROPENE AND WATER
    Publication number: 20140284517
    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: June 9, 2014
    Publication date: September 25, 2014
    Inventors: RYAN HULSE, HALUK KOPKALLI, HANG T. PHAM
  • AZEOTROPIC COMPOSITIONS OF 1,3,3-TRICHLORO-1,1-DIFLUOROPROPANE AND HYDROGEN FLUORIDE
    Publication number: 20140264154
    Abstract: Provided are azeotropic or azeotrope-like mixtures of 1,3,3-trichloro-1,1-difluoropropane (HCFO-242fa) and hydrogen fluoride. Such compositions are useful as a feed stock or intermediate in the production of HFC245fa and HCFO1233zd.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Applicant: Honeywell International Inc.
    Inventors: Daniel C. Merkel, Konstantin A. Pokrovski, Hsueh Sung Tung, Haiyou Wang, Stephen A. Cottrell, Hang T. Pham
  • AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20140264148
    Abstract: An azeotrope-like mixture consisting essentially of a binary azeotrope-like mixture consisting essentially of trans-1-chloro-3,3,3-trifluoropropene (trans-HFO-1233zd) and a second component selected from the group consisting of 2,3,3,3-tetrafluoropropene (HFO-1234yf) and trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze), and combinations of these and various uses thereof.
    Type: Application
    Filed: May 27, 2014
    Publication date: September 18, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RYAN HULSE, Rajiv R. Singh, Hang T. Pham
  • AZEOTROPIC COMPOSITIONS OF 1,1,3,3-TETRACHLOROPROP-1-ENE AND HYDROGEN FLUORIDE
    Publication number: 20140264173
    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: March 13, 2013
    Publication date: September 18, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Haiyou Wang, Stephen A. Cottrell, Hang T. Pham
  • AZEOTROPIC COMPOSITIONS OF 1,3,3,3-TETRACHLOROPROP-1-ENE AND HYDROGEN FLUORIDE
    Publication number: 20140264174
    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: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Daniel C. Merkel, Konstantin A. Pokrovski, Haiyou Wang, Hsueh Sung Tung, Ryan Hulse, Hang T. Pham
  • Azeotrope-like compositions of pentafluoroethane and trifluoroiodomethane
    Patent number: 8809254
    Abstract: Provided are azeotrope-like compositions comprising heptafluoropropane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agents, fire suppressant compositions, and aerosol propellants.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: August 19, 2014
    Assignee: Honeywell International Inc.
    Inventors: Rajiv Ratna Singh, Hang T. Pham, Robert G. Richard
  • Azeotrope-like compositions comprising trans-1-chloro-3,3,3-trifluoropropene
    Patent number: 8802743
    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: March 28, 2011
    Date of Patent: August 12, 2014
    Assignee: Honeywell International Inc.
    Inventors: Rajat S. Basu, Kane D. Cook, Leslie Bement, Gary M. Knopeck, Rajiv R. Singh, Ryan Hulse, Hang T. Pham
  • COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME
    Publication number: 20140216075
    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: April 4, 2014
    Publication date: August 7, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Azeotrope-like compositions of tetrafluoropropene and alcohols
    Patent number: 8791167
    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: February 13, 2012
    Date of Patent: July 29, 2014
    Assignee: Honeywell International Inc.
    Inventors: James M. Bowman, Rajiv R. Singh, David J. Williams, Hang T. Pham, Justin L. Becker
  • COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME
    Publication number: 20140202182
    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: March 26, 2014
    Publication date: July 24, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20140178312
    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: February 25, 2014
    Publication date: June 26, 2014
    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 of tetrafluoropropene and water
    Patent number: 8747691
    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: April 8, 2011
    Date of Patent: June 10, 2014
    Assignee: Honeywell International Inc.
    Inventors: Ryan Hulse, Haluk Kopkalli, Hang T. Pham