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).

  • 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
  • Synthesis of 3,3,3-trifluoropropyne
    Patent number: 8791309
    Abstract: In accordance with the present invention, processes of synthesizing 3,3,3-trifluoropropyne from 1,3,3,3-tetrafluoropropene, 1-chloro-3,3,3-trifluoropropene, and/or 1,1,1,3,3-pentafluoropropane are provided.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: July 29, 2014
    Assignee: Honeywell International Inc.
    Inventors: Yian Zhai, Andrew J. Poss, Rajiv R. Singh, David Nalewajek
  • Compositions, methods and devices for control and clean-up of hazardous spills
    Patent number: 8790587
    Abstract: Disclosed are methods for treating hazardous materials, such as those which result from an unwanted spill or leak, which comprise one or more of the steps or effects of: neutralizing the dispersed material; solidifying the dispersed material; immobilizing the material; and/or reducing the evolution of harmful or unwanted gaseous forms from the spillage, preferably using a binding agent which comprises a polyacrylate-polyacrylamide cross-linked copolymer.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: July 29, 2014
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Ian Shankland
  • 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
  • Process for producing 2,3,3,3-tetrafluoropropene
    Patent number: 8766020
    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: July 28, 2009
    Date of Patent: July 1, 2014
    Assignee: Honeywell International Inc.
    Inventors: Haiyou Wang, Hsueh Sung Tung, Rajiv R. Singh, Ian Shankland
  • SYNTHESIS OF 2,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS
    Publication number: 20140179887
    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: December 6, 2013
    Publication date: June 26, 2014
    Applicant: Honeywell International Inc.
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • 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
  • SYNTHESIS OF 1-BROMO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20140179960
    Abstract: In accordance with the present invention, processes for producing bromofluoropropenes in commercial quantities by reacting 3,3,3-trifluoropropyne with hydrogen bromide at elevated temperatures are provided.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 26, 2014
    Applicant: Honeywell International Inc.
    Inventors: Yian Zhai, Andrew J. Poss, Rajiv R. Singh
  • SYNTHESIS OF 3,3,3-TRIFLUOROPROPYNE
    Publication number: 20140179961
    Abstract: In accordance with the present invention, processes of synthesizing 3,3,3-trifluoropropyne from 1,3,3,3-tetrafluoropropene, 1-chloro-3,3,3-trifluoropropene, and/or 1,1,1,3,3-pentafluoropropane are provided.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 26, 2014
    Applicant: Honeywell International Inc.
    Inventors: Yian Zhai, Andrew J. Poss, Rajiv R. Singh, David Nalewajek
  • FLUORINATED ETHYLENE-PROPYLENE POLYMERIC MEMBRANES FOR GAS SEPARATIONS
    Publication number: 20140150648
    Abstract: A fluorinated ethylene-propylene polymeric membrane comprising a copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride is disclosed. The fluorinated ethylene-propylene polymeric membranes of the invention are especially useful in gas separation processes in air purification, petrochemical, refinery, and natural gas industries.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 5, 2014
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Zara Osman, Howie Q. Tran, Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl L. Cantlon
  • BLEND POLYMERIC MEMBRANES CONTAINING FLUORINATED ETHYLENE-PROPYLENE POLYMERS FOR GAS SEPARATIONS
    Publication number: 20140150646
    Abstract: The present invention generally relates to gas separation membranes and, in particular, to high selectivity fluorinated ethylene-propylene polymer-comprising polymeric blend membranes for gas separations. The polymeric blend membrane comprises a fluorinated ethylene-propylene polymer and a second polymer different from the fluorinated ethylene-propylene polymer. The fluorinated ethylene-propylene polymers in the current invention are copolymers comprising 10 to 99 mol % 2,3,3,3-tetrafluoropropene-based structural units and 1 to 90 mol % vinylidene fluoride-based structural units. The second polymer different from the fluorinated ethylene-propylene polymer is selected from a low cost, easily processable glassy polymer.
    Type: Application
    Filed: February 6, 2014
    Publication date: June 5, 2014
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Zara Osman, Changqing Lu, Andrew J. Poss, Rajiv R. Singh
  • Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
    Patent number: 8741829
    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: March 26, 2012
    Date of Patent: June 3, 2014
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, Gary Knopeck
  • SYNTHESIS AND USE OF TRANS-1,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS
    Publication number: 20140147480
    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: November 11, 2013
    Publication date: May 29, 2014
    Applicant: Honeywell International Inc.
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
    Patent number: 8734671
    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: Grant
    Filed: November 15, 2011
    Date of Patent: May 27, 2014
    Assignee: Honeywell International Inc.
    Inventors: Ryan Hulse, Rajiv R. Singh, Hang T. Pham
  • BLEND POLYMERIC MEMBRANES CONTAINING FLUORINATED ETHYLENE-PROPYLENE POLYMERS FOR GAS SEPARATIONS
    Publication number: 20140138317
    Abstract: The present invention generally relates to gas separation membranes and, in particular, to high selectivity fluorinated ethylene-propylene polymer-comprising polymeric blend membranes for gas separations. The polymeric blend membrane comprises a fluorinated ethylene-propylene polymer and a second polymer different from the fluorinated ethylene-propylene polymer. The fluorinated ethylene-propylene polymers in the current invention are copolymers comprising 10 to 99 mol % 2,3,3,3-tetrafluoropropene-based structural units and 1 to 90 mol % vinylidene fluoride-based structural units. The second polymer different from the fluorinated ethylene-propylene polymer is selected from a low cost, easily processable glassy polymer.
    Type: Application
    Filed: November 16, 2012
    Publication date: May 22, 2014
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Zara Osman, Changqing Lu, Andrew J. Poss, Rajiv R. Singh
  • FLUORINATED ETHYLENE-PROPYLENE POLYMERIC MEMBRANES FOR GAS SEPARATIONS
    Publication number: 20140138314
    Abstract: A fluorinated ethylene-propylene polymeric membrane comprising a copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride is disclosed. The fluorinated ethylene-propylene polymeric membranes of the invention are especially useful in gas separation processes in air purification, petrochemical, refinery, and natural gas industries.
    Type: Application
    Filed: November 16, 2012
    Publication date: May 22, 2014
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Zara Osman, Howie Q. Tran, Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl L. Cantlon
  • USE OF 2,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS TO PREVENT BIOFOULING
    Publication number: 20140142264
    Abstract: A copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride and having a surface energy of between about 20 and about 30 mJ/m2. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising a step of applying said copolymer to a support. A method of preventing biofouling on an article of manufacture comprising applying said copolymer to the article of manufacture. An article of manufacture that is at least partly covered with said copolymer.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: Honeywell International Inc.
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • POLYMERIZATION OF MONOMERS USING FLUORINATED PROPYLENE SOLVENTS
    Publication number: 20140128561
    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: Application
    Filed: March 13, 2013
    Publication date: May 8, 2014
    Applicant: Honeywell International, Inc.
    Inventors: Raymond H. THOMAS, Hang T. Pham, Rajiv R. Singh
  • AZEOTROPES OF ISOBUTYLENE WITH FLUORO-OLEFINS
    Publication number: 20140128559
    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: Application
    Filed: March 13, 2013
    Publication date: May 8, 2014
    Applicant: Honeywell International, Inc.
    Inventors: Raymond H. Thomas, Hang T. Pham, Rajiv R. Singh