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).

  • Medicament formulations
    Patent number: 9308199
    Abstract: Medicinal compositions, and devices, methods and systems which use the compositions, comprising a propellant and at least one medicinally active compound. The propellant comprises at least one fluoroolefin having at least two but less than seven carbon atoms.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: April 12, 2016
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Gary Knopeck, Jeremy Diringer, Louis Herena, Rajiv R. Singh
  • Foaming agents, foamable compositions, foams and articles containing fluorine substitued halogens, and methods of making same
    Patent number: 9303162
    Abstract: Various uses of chloro, fluoroalkenes, particularly (HFCO-1233) in a variety of applications, including as blowing agents are disclosed.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: April 5, 2016
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: James M. Bowman, David J. Williams, Rajiv R. Singh, Ian Shankland
  • FLUOROSURFACTANTS HAVING IMPROVED BIODEGRADABILITY
    Publication number: 20160023973
    Abstract: To address the problem of insufficient biodegradability of perfluorinated surfactants, the present invention provides biodegradable fluorosurfactants derived from olefins having —CHR, —CHRf, —CHF, and/or —CH2 groups, where R is an alkyl group and Rf is a perfluoro or fluroroalkyl group. Preferably, the —CHR, —CHRf, —CHF, and/or —CH2 groups are contained within partially fluorinated alkenes.
    Type: Application
    Filed: October 7, 2015
    Publication date: January 28, 2016
    Inventors: Haridasan K. Nair, Yian Zhai, Andrew J. Poss, Rajiv R. Singh, David Nalewajek
  • 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
  • Fumigation methods
    Patent number: 9232788
    Abstract: Fumigant compositions including hexafluoropropene or 1,1,3,3,3-pentafluoropropene, and methods of preparing such compositions, are provided herein. The fumigant compositions may be suitable for use as soil fumigant compositions and structural fumigant compositions against a variety of undesirable species such as weeds, nematodes, pathogens, animals and insects. The fumigant compositions also have low toxicity and low Global Warming Potential.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: January 12, 2016
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl L. Cantlon
  • Dehalogenation of trans-1-chloro-3,3,3-trifluoropropene
    Patent number: 9216932
    Abstract: The present invention is related to making hydrofluorocarbons (HCFCs), more specifically, 3,3,3-trifluoropropyne (TFP), from trans-1-chloro-3,3,3-trifluoropropene (trans-1233zd) by contacting the trans-1233zd with a base. Preferably, the base is potassium hydroxide or potassium tert-butoxide, which may or may not be dissolved in as solvent.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: December 22, 2015
    Assignee: Honeywell International Inc.
    Inventors: Yian Zhai, Andrew J. Poss, Rajiv R. Singh
  • Stabilized iodocarbon compositions
    Patent number: 9175201
    Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent. These compositions 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: March 13, 2012
    Date of Patent: November 3, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Haridasan K. Nair, Raymond H. Thomas, Lawrence A. Ford, David P. Wilson
  • 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
  • Fluorosurfactants having improved biodegradability
    Patent number: 9126889
    Abstract: To address the problem of insufficient biodegradability of perfluorinated surfactants, the present invention provides biodegradable fluorosurfactants derived from olefins having —CHR, —CHRf, —CHF, and/or —CH2 groups, where R is an alkyl group and Rf is a perfluoro or fluroroalkyl group. Preferably, the —CHR, —CHRf, —CHF, and/or —CH2 groups are contained within partially fluorinated alkenes.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: September 8, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Haridasan K. Nair, Yian Zhai, Andrew J. Poss, Rajiv R. Singh, David Nalewajek
  • 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
  • MONOCHLOROTRIFLUOROPROPENE COMPOUNDS AND COMPOSITIONS AND METHODS USING SAME
    Publication number: 20150231527
    Abstract: Various uses of monochlorotrifluoropropenes, in combination with one or more other components, including other fluoroalkenes, hydrocarbons; hydrofluorocarbons (HFCs), ethers, alcohols, aldehydes, ketones, methyl formate, formic acid, water, trans-1,2-dichloroethylene, carbon dioxide and combinations of any two or more of these, in a variety of applications, including as blowing agents, are disclosed.
    Type: Application
    Filed: February 24, 2015
    Publication date: August 20, 2015
    Inventor: Rajiv R. Singh
  • Compositions containing chlorofluoroolefins or fluoroolefins
    Patent number: 9095737
    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: Grant
    Filed: April 15, 2013
    Date of Patent: August 4, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Robert C. Johnson, Hsueh S. Tung, Rajiv R. Singh, Ian Shankland
  • Solvent compositions containing fluorine substituted olefins and methods and systems using same
    Patent number: 9085504
    Abstract: Various compositions, including particularly solvent compositions, containing fluorinated olefins, including particularly tetra- and penta-fluorpropenes, in a variety of applications are disclosed.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: July 21, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Raymond H. Thomas, Gary Knopeck
  • COMPOSITIONS CONTAINING CHLOROFLUOROOLEFINS OR FLUOROOLEFINS
    Publication number: 20150175867
    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—HF0-1233, or HF0-1354 having properties highly beneficial in foaming and blowing agent applications, articles and methods.
    Type: Application
    Filed: March 10, 2015
    Publication date: June 25, 2015
    Inventors: Robert C. Johnson, Hsueh S. Tung, Rajiv R. Singh, Ian Shankland
  • Method for producing fluorinated organic compounds
    Patent number: 9061957
    Abstract: Disclosed is a method for producing fluorinated organic compounds, including reacting CF2?CFCl with CH2FCl under conditions effective to produce a product composition including CF3CClFCH2Cl. The present invention also relates to the production of 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 C1 addition agent under conditions effective to produce a compound of formula (I).
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: June 23, 2015
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Sudip Mukhopadhyay, Haridasan K. Nair, Rajesh K. Dubey, Rajiv R. Singh, George A. Shia
  • 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
  • Foaming agents, foamable compositions, foams and articles containing fluorine substituted olefins, and methods of making same
    Patent number: 9029430
    Abstract: Various uses of fluoroalkenes, including tetrafluoropropenes, particularly HFO-1234ze, in a variety of applications, including as blowing agents are disclosed.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: May 12, 2015
    Assignee: Honeywell International Inc.
    Inventors: James M. Bowman, David J. Williams, Rajiv R. Singh
  • Synthesis of high molecular weight poly(2,3,3,3-tetrafluoropropene)
    Patent number: 9023962
    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: Grant
    Filed: March 7, 2013
    Date of Patent: May 5, 2015
    Assignee: Honeywell International Inc.
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh, David Nalewajek, Cheryl Cantlon
  • 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