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).

  • Publication number: 20100171062
    Abstract: A method for suppressing an electric arc or corona discharge includes providing a device capable of storing, transmitting, or generating an electrical current or field; and enveloping at least a portion of said device with a dielectric gas consisting essentially of: sulfur hexafluoride; a second component selected from the group consisting of nitrous oxide; carbon dioxide; trifluoromethane (R32); trifluoroiodomethane; octafluoropropane (R218); 1,1,1,2,2-pentafluoroethane (R125); propane (R290); 1,1,1,2-tetrafluoropropene (HFO-1234yf); 1,2,3,3-tetrafluoro-2-propene (HFO-1234yc); 1,1,3,3-tetrafluoro-2-propene (HFO-1234zc); 1,1,1,3-tetrafluoro-2-propene (HFO-1234ze); 1,1,2,3-tetrafluoro-2-propene (HFO-1234ye); 1,1,1,2,3-pentafluoropropene (HFO-1225ye); 1,1,2,3,3-pentafluoropropene (HFO-1225yc); 1,1,1,3,3-pentafluoropropene (HFO-1225zc); (Z)1,1,1,3-tetrafluoropropene (HFO-1234zeZ); (Z)1,1,2,3-tetrafluoro-2-propene (HFO-1234yeZ); (E)1,1,1,3-tetrafluoropropene (HFO-1234zeE); (E)1,1,2,3-tetrafluoro-2-propene (HFO-12
    Type: Application
    Filed: March 22, 2010
    Publication date: July 8, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Matthew H. Luly, Rajiv R. Singh, Robert G. Richard
  • Publication number: 20100155652
    Abstract: A method for the development or generation of pollution credits by the substitution of lower global warming potential (GWP) mixtures of halogenated hydrocarbons or mixtures of halogenated hydrocarbons with CO2 for fluorocarbons or fluorocarbon-containing compositions of higher GWP, such as for perfluorocarbon compounds (PFC's), hydrofluorocarbon compounds (HFC's), chlorofluorocarbons (CFC's), hydrochlorofluorocarbon compounds (HCFC's), and compositions thereof, in compositions and processes employing the higher GWP compounds, and receive allocation of pollution credits for such substitution.
    Type: Application
    Filed: March 2, 2010
    Publication date: June 24, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Matthew H. Luly, Rajiv R. Singh
  • Publication number: 20100152504
    Abstract: Disclosed are processes for an isomerization reaction between (E)1-chloro-3,3,3-trifluoropropene and (Z)1-chloro-3,3,3-trifluoropropene. Some of the disclosed processes include the step of contacting a feed stream with a heated surface, where the feed stream includes (E)1-chloro-3,3,3-trifluoropropene, (Z)1-chloro-3,3,3-trifluoropropene or mixtures thereof. The resulting product stream includes (E)1-chloro-3,3,3-trifluoropropene and (Z)1-chloro-3,3,3-trifluoropropene, where the ratio of (E) isomer to (Z) isomer in the product stream is different than the ratio feed stream. The (E) and (Z) isomers in the product stream may be separated from one another.
    Type: Application
    Filed: December 8, 2009
    Publication date: June 17, 2010
    Applicant: Honeywell International Inc.
    Inventors: Ryan Hulse, Rajiv R. Singh, Konstantin A. Pokrovski, Hsueh Sung Tung, Daniel Merkel, Haiyou Wang, Michael Van Der Puy
  • Patent number: 7736529
    Abstract: Provided are novel azeotrope-like compositions of SF6 and N2O, as well as methods of using the same. Also provided are methods of using SF6 compositions, including azeotrope-like compositions, including a method for suppressing an electric arc or corona discharge and a method for flame suppression. Further provided are electrical devices using such SF6 compositions as a dielectric insulating gas and rigid closed-cell foams having such SF6 compositions within the cells, wherein the foam is both thermally and electrically insulative.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: June 15, 2010
    Assignee: Honeywell International Inc
    Inventors: Matthew H. Luly, Rajiv R. Singh, Robert G. Richard
  • Publication number: 20100139274
    Abstract: Aspects of the present invention are directed to working fluids and their use in processes wherein the working fluids comprise compounds having the structure of formula (I): wherein R1, R2, R3, and R4 are each independently selected from the group consisting of: H, F, Cl, Br, and C1-C6 alkyl, at least C6 aryl, at least C3 cycloalkyl, and C6-C15 alkylaryl optionally substituted with at least one F, Cl, or Br, wherein formula (I) contains at least one F and at least one Cl or Br, provided that if any R is Br, then the compound does not have hydrogen. The working fluids are useful in Rankine cycle systems for efficiently converting waste heat generated from industrial processes, such as electric power generation from fuel cells, into mechanical energy or further to electric power. The working fluids of the invention are also useful in equipment employing other thermal energy conversion processes and cycles.
    Type: Application
    Filed: December 3, 2009
    Publication date: June 10, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Gary Zyhowski, Ryan Hulse, Haridasan K. Nair, David Nalewajek, Rajiv R. Singh
  • Publication number: 20100127209
    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: September 11, 2009
    Publication date: May 27, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
  • Publication number: 20100130762
    Abstract: Disclosed are compositions and methods for extracting oils comprising contacting material containing the oil with a composition comprising 1-chloro-3,3,3-trifluoropropene in an amount sufficient to dissolve at least a portion of the oil, and separating the solvent/oil solution from the material.
    Type: Application
    Filed: November 18, 2009
    Publication date: May 27, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Ryan Hulse, Rajiv R. Singh, Martin R. Paonessa, Kane Cook, Gary M. Knopeck
  • Publication number: 20100119460
    Abstract: Provided are azeotropic or azeotrope-like mixtures of 2,3,3,3-tetrafluoropropene (1234yf) and 3,3,3-trifluoropropene (1243zf), as well as methods for producing and using the same.
    Type: Application
    Filed: November 9, 2009
    Publication date: May 13, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HANG T. PHAM, RAJIV R. SINGH, HSUEH S. TUNG, DANIEL C. MERKEL, HALUK KOPKALLI, RYAN HULSE
  • Publication number: 20100113322
    Abstract: An azeotrope-like composition consisting essentially of 1,1,2,3-tetrachloropropene and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition.
    Type: Application
    Filed: October 28, 2009
    Publication date: May 6, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HSUEH S. TUNG, HANG T. PHAM, RAJIV R. SINGH, DANIEL C. MERKEL, ROBERT JOHNSON
  • Publication number: 20100113323
    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: Application
    Filed: October 28, 2009
    Publication date: May 6, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HSUEH S. TUNG, HANG T. PHAM, RAJIV R. SINGH, DANIEL C. MERKEL
  • Publication number: 20100102272
    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: October 26, 2009
    Publication date: April 29, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajat Basu, Leslie Bement, Kane Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams
  • Patent number: 7700815
    Abstract: Disclosed is a method for producing fluorinated organic compounds, including petnafluoropropenes, which preferably comprises converting at least one compound of formula (I): CFnXmCFaXbCH2X??(I) to at least one compound of formula (II) CF3CF?CHF??(II) where each X is independently Cl, I or Br; n is 2 or 3; m is 0 or 1, a is 1 or 2, b is 0 or 1, m+n=3 and a+b=2.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: April 20, 2010
    Assignee: Honeywell International Inc
    Inventors: Hsueh Sung Tung, Rajiv R. Singh, Michael Van Der Puy
  • Patent number: 7695635
    Abstract: An azeotropic or azeotrope-like composition comprising a mixture of methyl iodide, 1-chloro-3,3,3,-trifluoropropene, and optionally one or more of fluorocarbons and/or hydrofluorocarbons. The compositions are present as a gas, at temperatures of about 30° C. or below. The inventive compositions serve as a non-ozone-depleting gaseous fumigant which is useful in a variety of applications, in place of methyl bromide. These compositions serve as a drop-in replacement for gaseous methyl bromide, providing the benefits of a methyl iodide fumigant while also utilizing existing methyl bromide equipment.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: April 13, 2010
    Assignee: Honeywell International Inc
    Inventors: Rajiv R. Singh, Hang T. Pham, Andrew J. Poss
  • Publication number: 20100081570
    Abstract: Chloropentafluoropropene is employed as a herbicide for the effective control of undesirable spermatophyte growth.
    Type: Application
    Filed: September 24, 2009
    Publication date: April 1, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: ANDREW J. POSS, MICHAEL VAN DER PUY, RAJIV R. SINGH, GEORGE J. SAMUELS, DAVID NALEWAJEK, CHERYL L. CANTLON
  • Patent number: 7674756
    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 solvent cleaning applications.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: March 9, 2010
    Assignee: Honeywell International Inc.
    Inventors: Robert C. Johnson, Hsueh Sung Tung, Rajiv R. Singh, Ian Shankland
  • Publication number: 20100047189
    Abstract: Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Application
    Filed: August 17, 2009
    Publication date: February 25, 2010
    Inventors: CHRISTOPHER J. SEETON, HANG T. PHAM, RAJIV R. SINGH, RYAN HULSE, MARK W. SPATZ, DAVID P. WILSON, SAMUEL F. YANA MOTTA
  • Publication number: 20100029997
    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: Application
    Filed: July 28, 2009
    Publication date: February 4, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HAIYOU WANG, HSUEH SUNG TUNG, RAJIV R. SINGH, IAN SHANKLAND
  • Patent number: 7655610
    Abstract: Disclosed are compositions useful in a wide variety of applications, including as blowing agents. The preferred blowing agents comprise 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.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: February 2, 2010
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Ian Shankland
  • Publication number: 20100016457
    Abstract: A composition which is a blowing agent which comprises from about 75% to about 90% by weight trans-1,3,3,3-tetrafluoropropene, from about 1% to about 15% by weight cis-1,3,3,3-tetrafluoropropene, and from about 1% about 15% by weight 1,1,3,3,3-pentafluoropropane.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 21, 2010
    Inventors: James M. Bowman, David J. Williams, Rajiv R. Singh, Haiyou Wang
  • Publication number: 20090302285
    Abstract: The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is 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: April 20, 2009
    Publication date: December 10, 2009
    Applicant: Honeywell International, Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas