Azeotropic Or Azeotrope-like Composition Patents (Class 510/408)
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Patent number: 8148317Abstract: 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: GrantFiled: July 28, 2009Date of Patent: April 3, 2012Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, Gary Knopeck, Louis E. Herena, Jeremy N. Diringer
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Publication number: 20120064014Abstract: 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: ApplicationFiled: November 17, 2011Publication date: March 15, 2012Applicant: HONEYWELL INTERNATIONAL INC.Inventors: RAJAT BASU, LESLIE BEMENT, KANE COOK, RYAN HULSE, GARY KNOPECK, HANG T. PHAM, RAJIV R. SINGH, DAVID J. WILLIAMS
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Patent number: 8133407Abstract: Provided is a composition comprising (a) at least one halogenated compound selected from the group consisting of C3-C5 hydrofluoroolefin, CF3I, and combinations thereof, and (b) an effective stabilizing amount of a sesquiterpene selected from the group consisting of farnesol, farnesene, and mixtures thereof.Type: GrantFiled: May 15, 2009Date of Patent: March 13, 2012Assignee: Honeywell International Inc.Inventors: Gary Zyhowski, Rajiv Ratna Singh, Raymond H. Thomas, Mark W. Spatz, Roy P. Robinson, George J. Samuels, Gregory J. Shafer, Michael Van Der Puy, David P. Wilson, John L. Welch, Ronald P. Vogl, Samuel F. Yana Motta
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Patent number: 8114308Abstract: Provided are azeotropic and azeotrope-like compositions of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) 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: GrantFiled: March 30, 2010Date of Patent: February 14, 2012Assignee: Honeywell International Inc.Inventors: Daniel C. Merkel, Hang T. Pham, Ryan Hulse, Rajiv R. Singh, Konstantin A. Pokrovski, Hsueh S. Tung
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Publication number: 20120010116Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: ApplicationFiled: September 20, 2011Publication date: January 12, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 8075797Abstract: The invention is directed to a ternary azeotrope-like mixture consisting essentially of effective amounts of 1,1,1,3,3-pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride.Type: GrantFiled: January 25, 2010Date of Patent: December 13, 2011Assignee: Honeywell International Inc.Inventors: Ryan Hulse, Rajiv R. Singh, Hsueh S. Tung, Ian Shankland
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Patent number: 8070975Abstract: 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: GrantFiled: February 10, 2009Date of Patent: December 6, 2011Assignee: Honeywell International Inc.Inventors: Hang T. Pham, Rajiv R. Singh, HsuehSung Tung, Konstantin A. Pokrovski, Daniel C. Merkel
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Patent number: 8053404Abstract: 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: GrantFiled: September 11, 2009Date of Patent: November 8, 2011Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
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Patent number: 8044015Abstract: Disclosed are compositions and systems having utility in numerous situations, including in particular solvent cleaning systems, as well as refrigerant lubricants and/or compatibilizing agents, and to methods which utilize such compositions and systems. More particularly, the present invention in preferred aspects is directed to solvents, blowing agents, heat transfer fluids and compatibilizing agents comprising the compound 3-chloro-1,1,1,6,6,6-hexafluoro-2,4-hexadiene.Type: GrantFiled: March 12, 2010Date of Patent: October 25, 2011Assignee: Honeywell International Inc.Inventors: Robert C. Johnson, Hsueh Sung Tung
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Patent number: 8034251Abstract: Provided are ternary azeotropic and azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 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: GrantFiled: March 18, 2009Date of Patent: October 11, 2011Assignee: Honeywell International Inc.Inventors: Daniel C. Merkel, Konstantin A. Pokrovski, Hsuehsung Tung, Hang T. Pham, Rajiv R. Singh
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Publication number: 20110245350Abstract: A process is disclosed for making CF3CF?CH2 or mixtures thereof with CHF?CFCHF2. The process involves contacting CCl3CF2CF3 and optionally CCl2FCF2CClF2 with H2 in the presence of a catalyst including a catalytically effective amount of palladium supported on a support of alumina, fluorided alumina and/or aluminum fluoride, to produce a product mixture including CH2?CFCF3 (and when CCl2FCF2CClF2 is present, CHF?CFCHF2); recovering CH2?CFCF3 or a mixture thereof with CHF?CFCHF2 from the product mixture; and optionally, separating at least a portion of any CHF?CFCHF2 in the product mixture from the CH2?CFCF3 in the product mixture. The mole ratio of H2 to the total of CCl3CF2CF3 and CCl2FCF2CClF2 fed to the reaction zone is between about 1:1 and about 5:1.Type: ApplicationFiled: June 9, 2011Publication date: October 6, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: MARIO JOSEPH NAPPA, Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert
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Publication number: 20110240902Abstract: Provided are azeotropic and azeotrope-like compositions of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF).Type: ApplicationFiled: March 30, 2010Publication date: October 6, 2011Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Daniel C. Merkel, Hang T. Pham, Ryan Hulse, Rajiv R. Singh, Konstantin A. Pokrovski, Hsueh S. Tung
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Publication number: 20110220832Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, n-pentane, 2-methylbutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, n-butane or isobutane. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions.Type: ApplicationFiled: May 20, 2011Publication date: September 15, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: Mark L. Robin
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Patent number: 8017030Abstract: Provided are azeotrope-like compositions comprising heptafluoropropane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agents, fire suppressant compositions, and aerosol propellants.Type: GrantFiled: January 13, 2009Date of Patent: September 13, 2011Assignee: Honeywell International Inc.Inventors: Rajiv Ratna Singh, Hang T. Pham, Robert Gerard Richard
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Patent number: 8008243Abstract: 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: GrantFiled: October 28, 2009Date of Patent: August 30, 2011Assignee: Honeywell International Inc.Inventors: Hsueh S. Tung, Hang T. Pham, Rajiv R. Singh, Daniel C. Merkel, Robert Johnson
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Patent number: 8007677Abstract: Disclosed herein are azeotrope and near-azeotrope compositions comprising E-1,1,1,2,3-pentafluoropropene (E-HFC-1225ye) and hydrogen fluoride. The azeotrope and near-azeotrope compositions are useful in processes to produce and in processes to purify E-HFC-1225ye and/or Z-1,1,1,2,3-pentafluoropropene (Z-HFC-1225ye). Also disclosed are processes for the extractive distillation to separate E-HFC-1225ye from Z-HFC-1225ye.Type: GrantFiled: September 7, 2007Date of Patent: August 30, 2011Assignee: E.I. du Pont de Nemours and CompanyInventors: Jeffrey P. Knapp, Barry Asher Mahler, Velliyur Nott Mallikarjuna Rao
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Patent number: 8008244Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and one or more selected hydrorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: GrantFiled: July 5, 2007Date of Patent: August 30, 2011Assignee: Honeywell International Inc.Inventors: Gary M. Knopeck, Kane D. Cook, Rajiv R. Singh, Hang T. Pham
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Patent number: 7998916Abstract: CFC replacement solvent compositions, methods of using the same and methods of making the same. These compositions meet or exceed the solvency, flammability, and compatibility requirements for CFC's while providing similar or improved environmental and toxicological properties. These solvent compositions have applications including, but not limited to, oxygen handling, refrigeration or heat pumps, electronics, implantable prosthetic devices, and optical equipment.Type: GrantFiled: August 15, 2008Date of Patent: August 16, 2011Assignee: Mainstream Engineering CorporationInventors: Lawrence R. Grzyll, John A. Meyer, Dwight D. Back
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Patent number: 7981311Abstract: Halocarbons of the structure CF3CF2CH2X, wherein X is either F or Cl or mixtures thereof prepared by: contacting at least one 2-fluorochloropropane with hydrogen fluoride in a first fluorination step in the gas phase or liquid phase under substantially anhydrous conditions, in the absence of added catalyst to partially fluorinate said 2-fluorochloropropane; contacting said partially fluorinated 2-fluorochloropropane with at least the stoichiometric molar equivalent of hydrogen fluoride under substantially anhydrous conditions, in the presence of at least one fluorination catalyst in a second fluorination step; removing said reaction products from contact with said catalyst, and isolating a substantial yield of at least 1,1,1,2,2,3-hexafluoropropane or 1,1,1,2,2,penta-3-chloropropane, or mixtures thereof, respectively.Type: GrantFiled: September 5, 2007Date of Patent: July 19, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert, Jeffrey P. Knapp
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Patent number: 7972525Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, n-pentane, 2-methylbutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, n-butane or isobutane. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions.Type: GrantFiled: June 12, 2008Date of Patent: July 5, 2011Assignee: E. I. du Pont de Nemours and CompanyInventor: Mark L. Robin
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Patent number: 7972524Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, pentane, 2-methylbutane, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, dimethoxymethane, or cyclopentane. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: GrantFiled: April 28, 2008Date of Patent: July 5, 2011Assignee: E. I. du Pont de Nemours and CompanyInventor: Mark L. Robin
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Patent number: 7960331Abstract: CFC replacement solvent compositions, methods of using the same and methods of making the same. These compositions meet or exceed the solvency, flammability, and compatibility requirements for CFC's while providing similar or improved environmental and toxicological properties. These solvent compositions have applications including, but not limited to, oxygen handling, refrigeration or heat pumps, electronics, implantable prosthetic devices, and optical equipment.Type: GrantFiled: August 15, 2008Date of Patent: June 14, 2011Inventors: Lawrence R. Grzyll, John A. Meyer, Dwight D. Back
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Patent number: 7875657Abstract: The present invention relates to a composition based on trans-1,2-dichloroethylene. A subject-matter of the invention is more particularly a nonflammable composition comprising trans-1,2-dichloroethylene and at least two hydrofluorocarbons and its uses.Type: GrantFiled: November 11, 2009Date of Patent: January 25, 2011Assignee: Arkema FranceInventors: Laurent Latil, Vincent Enaux
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Patent number: 7825081Abstract: 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: GrantFiled: August 26, 2008Date of Patent: November 2, 2010Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, Gary M. Knopeck, Louis E. Herena, Jeremy N. Diringer
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Publication number: 20100203167Abstract: Disclosed herein are azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride. The azeotrope compositions are useful in processes to produce and in processes to purify 1,2,3,3,3-pentafluoropropene. Additionally, disclosed herein are azeotrope and near-azeotrope compositions comprising 1,1,1,2,3,4,4,5,5,5-decafluoropentane and hydrogen fluoride.Type: ApplicationFiled: April 26, 2010Publication date: August 12, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Ralph Newton Miller, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert
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Patent number: 7767638Abstract: 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: GrantFiled: April 29, 2005Date of Patent: August 3, 2010Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, Gary Knopeck, David J. Williams
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Patent number: 7767635Abstract: Azeotrope-like compositions comprising 1-methoxy-2-propanol and a hydrofluoroether, and uses thereof, are described.Type: GrantFiled: July 25, 2007Date of Patent: August 3, 2010Assignee: 3M Innovative Properties CompanyInventor: John G. Owens
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Patent number: 7763578Abstract: Use of high boiling hydrofluoroethers as nucleating agents in the production of a polymeric foam, in particular in the production of polyurethane foams and phenolic foams. Also, blowing agent compositions and foamable compositions comprising one or more high boiling hydrofluoroether nucleating agents and foams made using such blowing agent compositions and foamable compositions.Type: GrantFiled: November 8, 2005Date of Patent: July 27, 2010Assignee: 3M Innovative Properties CompanyInventors: John G. Owens, Rudolf J. Dams
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Patent number: 7737098Abstract: The present invention relates to the field of solvents. It relates more particularly to a process for the dissolution of oil at low temperature. Another subject matter of the invention is a novel composition based on 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and on 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee).Type: GrantFiled: July 18, 2005Date of Patent: June 15, 2010Assignee: Arkema FranceInventor: Jean-Pierre Lallier
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Patent number: 7709438Abstract: Disclosed herein are azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride. The azeotrope compositions are useful in processes to produce and in processes to purify 1,2,3,3,3-pentafluoropropene. Additionally, disclosed herein are azeotrope and near-azeotrope compositions comprising 1,1,1,2,3,4,4,5,5,5-decafluoropentane and hydrogen fluoride.Type: GrantFiled: October 31, 2006Date of Patent: May 4, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Ralph Newton Miller, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert
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Patent number: 7695635Abstract: 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: GrantFiled: October 27, 2008Date of Patent: April 13, 2010Assignee: Honeywell International IncInventors: Rajiv R. Singh, Hang T. Pham, Andrew J. Poss
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Publication number: 20100047189Abstract: 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: ApplicationFiled: August 17, 2009Publication date: February 25, 2010Inventors: CHRISTOPHER J. SEETON, HANG T. PHAM, RAJIV R. SINGH, RYAN HULSE, MARK W. SPATZ, DAVID P. WILSON, SAMUEL F. YANA MOTTA
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Patent number: 7655610Abstract: 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: GrantFiled: April 29, 2004Date of Patent: February 2, 2010Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Ian Shankland
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Patent number: 7629306Abstract: 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: GrantFiled: April 29, 2005Date of Patent: December 8, 2009Assignee: Honeywell International Inc.Inventors: Ian Shankland, Rajiv R. Singh
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Patent number: 7622435Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and sprayable compositions, including aerosol propellants.Type: GrantFiled: April 18, 2005Date of Patent: November 24, 2009Assignee: Honeywell International Inc.Inventors: David P. Wilson, Hang T. Pham, Rajiv R. Singh, Raymond H. Thomas
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Patent number: 7622053Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: January 19, 2009Date of Patent: November 24, 2009Assignee: E.I. du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 7608574Abstract: Azeotropic or azeotropic-like compositions of 1,1,1-trifluoroethane (HFC-143a) and 1-chloro-2,2,2-trifluoroethane (R-133a).Type: GrantFiled: August 17, 2006Date of Patent: October 27, 2009Assignee: Honeywell International Inc.Inventors: Stephen A. Cottrell, Hang T. Pham, Rajiv R. Singh, Hseuhsung Tung
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Patent number: 7605117Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and pentafluoropropene and uses thereof, including use in refrigerant compositions, blowing agent compositions, foamable compositions, foams, sterilant compositions, sprayable compositions, and systems and methods using same.Type: GrantFiled: April 18, 2005Date of Patent: October 20, 2009Assignee: Honeywell International Inc.Inventors: David P. Wilson, Hang T. Pham, Rajiv R. Singh, Raymond H. Thomas, David Nalewajek
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Patent number: 7544306Abstract: Azeotropic and azeotrope-like compositions of methyl iodide and at least one fluorocarbon or hydrofluorocarbon such as 1,1,1,3,3-pentafluoropropane (HFC-245fa). 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: GrantFiled: February 16, 2007Date of Patent: June 9, 2009Assignee: Honeywell International Inc.Inventors: Andrew J. Poss, Rajiv R. Singh, Hang T. Pham
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Patent number: 7540973Abstract: Disclosed is an azeotrope-like composition comprising: from about 2% by weight to about 50% by weight of a hydrofluorocarbon selected from the group consisting of 1,1,1,2,2,3,4,5,5,5-decafluoropentane and 1,1,1,3,3-pentafluorobutane, from about 2% by weight to about 50% by weight 1,1,2,2,3,3,4-heptafluorocyclopentane, and an amount effective in dissolving oils and contaminants of trans-1,2-dichloroethylene. In another embodiment, are fluorocarbon solvent composition comprising from about 15 to about 99 weight percent 1,1,1,2,2,3,4,5,5,5-decafluoropentane and from about 85 to about 1 percent by weight 1,1,2,2,3,3,4-heptafluorocyclopentane wherein the freezing point of the composition is less than 0° C.Type: GrantFiled: December 7, 2007Date of Patent: June 2, 2009Assignee: E. I. du Pont de Nemours and CompanyInventor: Joan Ellen Bartelt
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Patent number: 7531496Abstract: Disclosed are binary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee) or nonafluoromethoxybutane. The present invention further includes ternary or quaternary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane and 1,1,1,2,3,4,4,5,5,5-decafluoropentane or nonafluoromethoxybutane, and additionally trans-1,2-dichloroethylene, n-propyl bromide, acetone, methanol, ethanol or isopropanol.Type: GrantFiled: June 29, 2005Date of Patent: May 12, 2009Assignee: El and Micro Care CorpInventors: Barbara Haviland Minor, Melodie A. Schweitzer, Thomas L. Tattersall
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Patent number: 7524805Abstract: 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: GrantFiled: April 29, 2004Date of Patent: April 28, 2009Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, Gary M. Knopeck, Louis E. Herena, Jeremy N. Diringer
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Publication number: 20090092556Abstract: 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: ApplicationFiled: December 15, 2008Publication date: April 9, 2009Applicant: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson
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Patent number: 7507702Abstract: The present invention relates to the stabilization of trans-1,2-dichloroethylene (TDCE) for the purpose of its use in the treatment of solid surfaces. The stabilized solution comprises at least one acid acceptor, at least one radical scavenger, at least one Lewis base and at least one compound possessing a buffering effect.Type: GrantFiled: October 11, 2004Date of Patent: March 24, 2009Assignee: Arkema FranceInventors: Jean-Pierre Lallier, Jessica Bains
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Patent number: 7498296Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: February 28, 2007Date of Patent: March 3, 2009Assignee: E. I. DuPont de Nemours and CompanyInventors: Melodie A. Schweitzer, Allen Capron Sievert, Joan Ellen Bartelt, Barbara Haviland Minor
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Patent number: 7494603Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: February 28, 2007Date of Patent: February 24, 2009Assignee: E. I. Du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 7479477Abstract: 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: GrantFiled: April 18, 2005Date of Patent: January 20, 2009Assignee: Honeywell International Inc.Inventors: David P. Wilson, Hang T. Pham, Rajiv R. Singh
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Patent number: 7473716Abstract: Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and at least one hydrocarbon selected from the group n-pentane, iso-pentane, cyclopentane, n-hexane and iso-hexane are provided. The compositions of the invention are useful in the preparation of polyurethane and polyisocyanurate foams.Type: GrantFiled: February 21, 2003Date of Patent: January 6, 2009Assignee: Honeywell International Inc.Inventors: Hilde Lund, legal representative, Robert Christian Parker, Ian Robert Shankland, Earl August Eugene Lund
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Patent number: 7465698Abstract: Provided are azeotrope-like compositions comprising difluoroethane and trifluoroiodomethane, azeotrope-like compositions comprising difluoroethane, tetrafluoropropene and trifluoroiodomethane, and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, aerosol propellants and others.Type: GrantFiled: April 18, 2005Date of Patent: December 16, 2008Assignee: Honeywell International Inc.Inventors: David P. Wilson, Hang T. Pham, Rajiv R. Singh
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Patent number: 7462591Abstract: At least one kind of solvent selected from among nitro methane, nitro ethane, d-limonene and 3-methoxybutyl acetate is mixed to 1,1,1,3,3-pentafluorobutane to such an extent as not imparting any flammability. Also, propylene glycol based solvent(s) is mixed to 1,1,1,3,3-pentafluorobutane to such an extent as not imparting any flammability.Type: GrantFiled: March 10, 2006Date of Patent: December 9, 2008Assignee: Kaneko Chemical Co., Ltd.Inventor: Akiyasu Kaneko