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).

  • Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene
    Patent number: 8703006
    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: April 22, 2014
    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 TETRAFLUOROPROPENE AND CARBON DIOXIDE
    Publication number: 20140107242
    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: December 5, 2013
    Publication date: April 17, 2014
    Applicant: Honeywell International Inc.
    Inventors: RAJIV R. SINGH, HANG T. PHAM, IAN SHANKLAND
  • AZEOTROPE-LIKE COMPOSITIONS OF TETRAFLUOROPROPENE AND HYDROFLUOROCARBONS
    Publication number: 20140077124
    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 19, 2013
    Publication date: March 20, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RAJIV R. SINGH, Hang T. Pham, Gary M. Knopeck
  • TRANS-CHLORO-3,3,3-TRIFLUOROPROPENE FOR USE IN CHILLER APPLICATIONS
    Publication number: 20140069129
    Abstract: The present invention relates to refrigerant compositions containing trans-chloro-3,3,3-trifluoropropene (1233zd(E)) useful for chiller applications and processes using 1233zd(E).
    Type: Application
    Filed: November 4, 2013
    Publication date: March 13, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RYAN HULSE, RAJIV R. SINGH, MARK W. SPATZ
  • SYNTHESIS OF HIGH MOLECULAR WEIGHT POLY(2,3,3,3-TETRAFLUOROPROPENE)
    Publication number: 20140051818
    Abstract: A process of synthesizing poly(2,3,3,3-tetrafluoropropene), comprising reacting 2,3,3,3-tetrafluoropropene monomers in a reaction medium in the presence of an initiator, wherein the initiator is added to the reaction medium in multiple portions at different times during the process.
    Type: Application
    Filed: March 7, 2013
    Publication date: February 20, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • Azeotrope-like composition of hexafluoropropane, hexafluoropropene and hydrogen fluoride
    Patent number: 8653311
    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: Grant
    Filed: April 11, 2013
    Date of Patent: February 18, 2014
    Assignee: Honeywell International Inc.
    Inventors: Ryan Hulse, Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung, Daniel C. Merkel, Konstantin A. Pokrovski
  • USE OF 2,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS TO PREVENT BIOFOULING
    Publication number: 20140044764
    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: March 7, 2013
    Publication date: February 13, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • AZEOTROPE-LIKE COMPOSITION OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE (HCFC-1233XF) AND HYDROGEN FLUORIDE (HF)
    Publication number: 20140012052
    Abstract: Provided are azeotropic and azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) 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: September 10, 2013
    Publication date: January 9, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HANG T. PHAM, DANIEL C. MERKEL, KONSTANTIN A. POKROVSKI, HSUEH S. TUNG, RAJIV R. SINGH
  • Compositions containing tetrafluoropropene and carbon dioxide
    Patent number: 8623808
    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: August 5, 2011
    Date of Patent: January 7, 2014
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • COMPOSITIONS, METHODS AND DEVICES FOR CONTROL AND CLEAN-UP OF HAZARDOUS SPILLS
    Publication number: 20130302218
    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: Application
    Filed: July 10, 2013
    Publication date: November 14, 2013
    Inventors: Rajiv R. Singh, Ian Shankland
  • Azeotrope-like composition of 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) and hydrogen fluoride (HF)
    Patent number: 8546624
    Abstract: Provided are azeotropic and azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) 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 3, 2009
    Date of Patent: October 1, 2013
    Assignee: Honeywell International Inc.
    Inventors: Hang T. Pham, Daniel C. Merkel, Konstantin A. Pokrovski, HsuehSung Tung, Rajiv R. Singh
  • COMPOSITIONS CONTAINING CHLOROFLUOROOLEFINS OR FLUOROOLEFINS
    Publication number: 20130228714
    Abstract: Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO-HFO-1233, or HFO-1354, having properties highly beneficial in foaming and blowing agent applications, articles and methods.
    Type: Application
    Filed: April 15, 2013
    Publication date: September 5, 2013
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: ROBERT C. JOHNSON, HSUEH S. TUNG, RAJIV R. SINGH, IAN SHANKLAND
  • AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    Publication number: 20130231399
    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: September 5, 2013
    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 difluoromethane and trifluoroiodomethane
    Patent number: 8492327
    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: April 23, 2012
    Date of Patent: July 23, 2013
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson
  • Heat transfer methods using heat transfer compositions containing trans-1,3,3,3-tetrafluoropropene
    Patent number: 8444874
    Abstract: Disclosed are methods of transferring heat to or from a fluid or body comprising causing heat to be transferred to or from a composition comprising at least trans-1,3,3,3-tetrafluorpropene.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: May 21, 2013
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Willson, Raymond H. Thomas, Mark W. Spatz, David A. Metcalf
  • Azeotrope-like composition of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and hydrogen fluoride (HF)
    Patent number: 8426658
    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: October 28, 2011
    Date of Patent: April 23, 2013
    Assignee: Honeywell International Inc.
    Inventors: Hang T. Pham, Rajiv R. Singh, Hsueh Sung Tung, Konstantin A. Pokrovski, Daniel C. Merkel
  • Foaming agents, foamable compositions, foams and articles containing halogen substituted olefins, and methods of making same
    Patent number: 8420706
    Abstract: Various uses of fluoroalkenes, including tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including as blowing agents are disclosed.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: April 16, 2013
    Assignee: Honeywell International Inc.
    Inventors: James M. Bowman, David J. Williams, Rajiv R. Singh, Ian Shankland
  • Azeotrope-like compositions of 1,1,1,2,3-pentachloropropane and hydrogen fluoride
    Patent number: 8410040
    Abstract: An azeotrope-like composition consisting essentially of 1,1,1,2,3-pentachloropropane and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: April 2, 2013
    Assignee: Honeywell International Inc.
    Inventors: Hsueh S. Tung, Hang T. Pham, Rajiv R. Singh, Daniel C. Merkel
  • Compositions, methods and devices for control and clean-up of hazardous spills
    Patent number: 8404920
    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: October 9, 2012
    Date of Patent: March 26, 2013
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Ian Shankland
  • Method for producing fluorinated organic compounds
    Patent number: 8383867
    Abstract: Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CFnCHmXa-m??(I) to at least one compound of formula (II) CF3CZCHZ??(II). where each X is independently Cl, F, I or Br; each Z is independently H or F; n is 1 or 2; m is 1, 2 or 3, provided that when n is 1, m is 1 or 2; a is 2 or 3, and a-m?0. Certain embodiments include the step of reacting fluorinated C2 olefin, such as tetrafluoroethylene, with a Cl addition agent under conditions effective to produce a compound of formula (I).
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: February 26, 2013
    Assignee: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Haridasan K. Nair, Rajesh K. Dubey, Rajiv R. Singh, George A. Shia