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).

  • PROCESS FOR PRODUCING FLUOROPROPENES
    Publication number: 20080194888
    Abstract: Dehydrohalogenation processes for the preparation of fluoropropenes from corresponding halopropanes, in which the fluoropropenes have the formula CF3CY?CXNHP, wherein X and Y are independently hydrogen or a halogen selected from fluorine, chlorine, bromine and iodine; and N and P are independently integers equal to 0, 1 or 2, provided that (N+P)=2.
    Type: Application
    Filed: April 16, 2008
    Publication date: August 14, 2008
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Daniel C. Merkel, Rajiv R. Singh, Hsueh Sung Tung
  • SOLVENT COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME
    Publication number: 20080171652
    Abstract: Various compositions, including particularly solvent compositions, containing fluorinated olefins, including particularly tetra- and penta-fluorpropenes, in a variety of applications are disclosed.
    Type: Application
    Filed: September 4, 2007
    Publication date: July 17, 2008
    Applicant: Honeywell International, Inc.
    Inventors: Rajiv R Singh, Raymond H. Thomas, Gary Knopeck
  • AEROSOL COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME
    Publication number: 20080166305
    Abstract: Various compositions, including particularly aerosol compositions containing fluorinated olefins, including particularly 2,3,3,3-tetraluorpropene (HFO-1234yf), in a variety of applications are disclosed.
    Type: Application
    Filed: September 28, 2007
    Publication date: July 10, 2008
    Applicant: Honeywell International, Inc.
    Inventors: Rajiv R. Singh, Gary Knopeck
  • Azeotrope-like compositions of difluoromethane
    Patent number: 7396485
    Abstract: The invention relates to azeotropic and azeotrope-like mixtures of HFC-32, HCl, and Cl2, and processes for separating the azeotrope-like mixtures of HFC-32 and HCL and HFC-32, HCL and Cl2.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: July 8, 2008
    Assignee: Honeywell International Inc.
    Inventors: Hang T. Pham, Rajiv R. Singh, Hsueh Sung Tung, Franklin S. Wong
  • Stabilized Iodocarbon Compositions
    Publication number: 20080157022
    Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent comprising a diene-based compound. 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: Application
    Filed: December 21, 2005
    Publication date: July 3, 2008
    Inventors: Rajiv R. Singh, Haridasan K. Nair, Raymond H. Thomas, Lawrence A. Ford, David P. Wilson
  • FLUOROCARBON STABILIZERS
    Publication number: 20080157023
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, a lubricant and a metal stabilizer.
    Type: Application
    Filed: November 8, 2007
    Publication date: July 3, 2008
    Inventors: George J. Samuels, Samuel F. Yana Motta, Gregory J. Shafer, Rajiv R. Singh, Mark W. Spatz, Raymond H. Thomas, Michael Van Der Puy, John L. Welch, David P. Wilson, Gary Zyhowski
  • Foaming Agents, Foamable Compositions, Foams And Articles Containing Halogen Substituted Olefins, And Methods of Making Same
    Publication number: 20080135800
    Abstract: Various uses of fluoroalkenes, including tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including as blowing agents are disclosed.
    Type: Application
    Filed: September 27, 2007
    Publication date: June 12, 2008
    Applicant: Honeywell International Inc.
    Inventors: James M. Bowman, David J. Williams, Rajiv R. Singh
  • Purification of nitrogen trifluoride
    Patent number: 7384618
    Abstract: A process and system for adsorption purification of NF3 wherein a crude product containing NF3 and impurities such as CF4 is brought into contact with a polyacrylonitrile-based carbon molecular sieve so that at least a portion of one or more impurities are adsorbed by the sieve without a significant adsorption of the NF3.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: June 10, 2008
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Martin R. Paonessa, Matthew H. Luly, David F. Orlowski
  • Foaming Agents, Foamable Compositions, Foams And Articles Containing Pentafluorinated Olefins, And Methods Of Making Same
    Publication number: 20080125506
    Abstract: Various uses of fluoroalkenes, including pentafluoropropenes, particularly (HFO-1225yez) in a variety of applications, including as blowing agents are disclosed.
    Type: Application
    Filed: September 27, 2007
    Publication date: May 29, 2008
    Applicant: Honeywell International Inc.
    Inventors: James M. Bowman, David J. Williams, Rajiv R. Singh
  • Foaming Agents, Foamable Compositions, Foams and Articles Containing Fluorine Substituted Olefins, and Methods of Making Same
    Publication number: 20080125505
    Abstract: Various uses of fluoroalkenes, including tetrafluoropropenes, particularly HFO-1234ze, in a variety of applications, including as blowing agents are disclosed.
    Type: Application
    Filed: September 26, 2007
    Publication date: May 29, 2008
    Applicant: Honeywell International Inc.
    Inventors: James M Bowman, David J. Williams, Rajiv R. Singh
  • Compositions containing fluorine substituted olefins
    Publication number: 20080121837
    Abstract: Disclosed are heat transfer compositions, and methods of using and selecting heat transfer compositions, in which the composition comprises a first component comprising difluoromethane (R-32), and at least one second component selected from group consisting of CF3I, 1,2,3,3,3-pentafluoropropene (HFO 1225ye), and combinations of these, and optionally, but preferably, at least one third component selected from the group consisting of fluorinated C2-C3 compounds, including any combination of two or more fluorinated C2-C3 compounds.
    Type: Application
    Filed: July 6, 2007
    Publication date: May 29, 2008
    Applicant: Honeywell International, Inc.
    Inventors: Rajiv R. Singh, Ian Shankland, Ryan Hulse
  • IODINE AND IODIDE REMOVAL METHOD
    Publication number: 20080116417
    Abstract: A method for removing iodine and iodide ions from heat transfer compositions which contain a hydrofluoroalkene, an iodocarbon, and iodine and iodide ions. Iodine and iodide ions from such heat transfer compositions by contacting the composition with a molecular sieve, ion exchange resin, clay or alumina, metal impregnated with a metal which is capable of reacting with iodine and iodide ions.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 22, 2008
    Inventors: George J. Samuels, Samuel F. Yana Motta, Gregory J. Shafer, Rajiv R. Singh, Mark W. Spatz, Raymond H. Thomas, Michael Van Der Puy, John L. Welch, Gary Zyhowski, David P. Wilson
  • IODINE REMOVAL WITH ACTIVATED CARBON
    Publication number: 20080110833
    Abstract: A method for removing iodine from heat transfer compositions which contain a hydrofluoroalkene, an iodocarbon, and iodine. Iodine from such heat transfer compositions by contacting the composition with activated carbon.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 15, 2008
    Inventors: George J. Samuels, Samuel F. Yana Motta, Gregory J. Shafer, Rajiv R. Singh, Mark W. Spatz, Raymond H. Thomas, Michael Van Der Puy, John L. Welch, Gary Zyhowski, David P. Wilson
  • HEAT TRANSFER COMPOSITIONS WITH A HYDROFLUOROALKENE, AN IODOCARBON AND ADDITIVES
    Publication number: 20080111099
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, a polyol ester and at least one compound comprising trifluoromethane, methyl iodide, heptafluorobutane or propene.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 15, 2008
    Inventors: Rajiv R. Singh, Raymond H. Thomas, George J. Samuels, David P. Wilson, Michael Van Der Puy, John L. Welch, Gregory J. Shafer, Mark W. Spatz
  • USE OF LOW GWP REFRIGERANTS COMPRISING CF3I WITH STABLE LUBRICANTS
    Publication number: 20080111100
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and carbon atoms, wherein no more than 17% of the total number of hydrogen atoms which are attached to a carbon atom are tertiary hydrogen atoms.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 15, 2008
    Inventors: RAYMOND H. THOMAS, Rajiv R. Singh, George J. Samuels, Ian Shankland, David P. Wilson, Roy P. Robinson, Michael Van Der Puy, John L. Welch, Gregory J. Shafer, Mark W. Spatz, Ryan Hulse
  • Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride
    Patent number: 7361795
    Abstract: The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the production of HFC-365. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent and aerosol to propellant.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: April 22, 2008
    Assignee: Honeywell International, Inc.
    Inventors: Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung
  • Azeotrope-like compositions of tetrafluoropropene and trifluoroiodomethane
    Patent number: 7341984
    Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: March 11, 2008
    Assignee: Honeywell International Inc.
    Inventors: David P. Wilson, Hang T. Pham, Rajiv R. Singh
  • Azeotropic or azeotropic-like compositions of 1,1,1-trifuoroethane and 1-chloro-2,2,2-trifluoroethane
    Publication number: 20080045432
    Abstract: Azeotropic or azeotropic-like compositions of 1,1,1-trifluoroethane (HFC-143a) and 1-chloro-2,2,2-trifluoroethane (R-133a).
    Type: Application
    Filed: August 17, 2006
    Publication date: February 21, 2008
    Inventors: Stephen A. Cottrell, Hang T. Pham, Rajiv R. Singh, Hseuhsung Tung
  • Essentially non-flammable low global warming compositions
    Publication number: 20080026977
    Abstract: Mixtures of heptafluorobutene with tetrafluoropropenes provide compositions that have boiling points within an acceptable range, have good chemical stability, low GWP and are preferably essentially non-flammable.
    Type: Application
    Filed: July 28, 2006
    Publication date: January 31, 2008
    Inventors: Raymond H. Thomas, Hang T. Pham, Rajiv R. Singh
  • Use of molecular sieves for the removal of HFC-23 from fluorocarbon products
    Publication number: 20080011159
    Abstract: Use of molecular sieves to reduce the amount of trifluoromethane (HFC-23) present in a mixture of HFC-23 with other materials, particularly from mixtures containing HFC-23 and trifluoroiodomethane (CF3I).
    Type: Application
    Filed: July 12, 2006
    Publication date: January 17, 2008
    Inventors: Raymond H. Thomas, Rajiv R. Singh, Thomas W. Morris, Roy P. Robinson