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Attorney: Szuch; Colleen D.


Number of patents: 120
Last date: January 24, 2012

1      
NumberTitleIssue Date
8101672Azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene
The invention pertains to azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene (HFC-1225yc) and any one of 1,1,1,2-tetrafluoropropene (HFC-1234yf) or the Z-isomer of 1,1,1,2,3-pentafluoropropene (HFC-1225yeZ), and uses thereof, including use in refrigerant co...
01/24/2012
8065882Compositions containing fluorine substituted olefins
Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including connection with blowing agents, foams, foamable compositions, foaming methods, heat transfer compositions and methods, propellan...
11/29/2011
8053404Compositions comprising tetrafluoropropene and carbon dioxide
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 ...
11/08/2011
8038899Refrigerant compositions having a siloxane solubilizing agent
Provided are refrigerant compositions which are blends of one or more hydrofluorocarbons, siloxanes, hydrocarbons and lubricants, as well as methods for using these compositions in applications such as the recharging of refrigeration systems and for replacing a chlo...
10/18/2011
8033120Compositions and methods containing fluorine substituted olefins
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 a...
10/11/2011
8008244Compositions of tetrafluoropropene and hydrocarbons
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. ...
08/30/2011
7985299Solvent compositions containing chlorofloroolefins or fluoroolefins
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. ...
07/26/2011
7833433Heat transfer methods using heat transfer compositions containing trifluoromonochloropropene
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 one trifluoro, monochloropropene. ...
11/16/2010
7825081Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
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. ...
11/02/2010
7767638Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
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. ...
08/03/2010
7704404Refrigerant compositions and use thereof in low temperature refrigeration systems
A process for obtaining low temperature refrigeration in an existing or new low temperature refrigeration system designed to operate with, or suitable for use with, or capable of being used with HCFC-22 as the refrigerant, the refrigerant composition being a refrige...
04/27/2010
7674756Solvent compositions containing chlorofluoroolefins or fluoroolefins
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. ...
03/09/2010
7655610Blowing agent compositions comprising fluorinated olefins and carbon dioxide
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 ...
02/02/2010
7629306Compositions comprising tetrafluoropropene and carbon dioxide
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 ...
12/08/2009
7622435Methods of replacing refrigerant
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....
11/24/2009
7605117Methods of replacing refrigerant
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 s...
10/20/2009
7597818Azeotrope-like compositions of tetrafluoropropenes and bromofluoropropenes
Mixtures of tetrafluoropropenes with bromofluoropropenes provide compositions that have boiling points within an acceptable range, have good chemical stability, low GWP and are essentially non-flammable. ...
10/06/2009
7597744Use of molecular sieves for the removal of HFC-23 from fluorocarbon products
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). ...
10/06/2009
7563384Essentially non-flammable low global warming compositions
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. ...
07/21/2009
7557254Method for producing fluorinated organic compounds
A method for preparing fluorinated organic compounds wherein at least one fluorinated olefin is reacted with methyl fluoride in the gas-phase and in the presence of a Lewis Acid catalyst to form at least one product having at least 3 carbon atoms. ...
07/07/2009
7534366Compositions containing fluorine substituted olefins
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 a...
05/19/2009
7524805Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
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. ...
04/28/2009
7485760Integrated HFC trans-1234ze manufacture process
An integrated process for the manufacture of HFO trans-1,3,3,3-tetrafluoropropene (HFO trans-1234ze) by first catalytically dehydrofluorinating 1,1,1,3,3-pentafluoropropane to thereby produce a mixture of cis-1,3,3,3-tetrafluoropropene, trans-1,3,3,3-tetrafluoroprop...
02/03/2009
7479477Azeotrope-like compositions of difluoromethane and trifluoroiodomethane
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. ...
01/20/2009
7473716Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrocarbons
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 polyuretha...
01/06/2009
7470828Direct conversion of HCFC 225ca/cb mixture to HFC 245cb and HFC 1234yf
Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane. ...
12/30/2008
7465698Azeotrope-like compositions of difluoromethane and trifluoroiodomethane
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, refrigeratio...
12/16/2008
7428816Working fluids for thermal energy conversion of waste heat from fuel cells using Rankine cycle systems
A process for recovering waste heat which comprises: (a) passing a liquid phase working fluid through a heat exchanger in communication with a process which produces the waste heat; (b) removing a vapor phase working fluid from the heat exchanger; (c) passing the va...
09/30/2008
7413674Azeotrope-like trifluoroiodomethane compositions
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, refrigeratio...
08/19/2008
7396965Method for producing fluorinated organic compounds
A method for preparing fluorinated organic compounds wherein at least one fluorinated olefin is reacted with methyl fluoride in the gas-phase and in the presence of a Lewis Acid catalyst to form at least one product having at least 3 carbon atoms. ...
07/08/2008
7396485Azeotrope-like compositions of difluoromethane
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. ...
07/08/2008
7371905Method of producing hydrofluorocarbons
A process for producing fluorinated C1 HFCs comprising fluorinating a reactive organic compound to produce a reaction product comprising at least the desired C1 HFC, unreacted reactive organic compound and a byproduct having a boiling point between the boiling point...
05/13/2008
7371363Methods of purifying hydrogen fluoride
Provided are methods of producing anhydrous hydrogen fluoride comprising: providing a mixture comprising hydrogen fluoride and at least one halogenated hydrocarbon; and extracting hydrogen fluoride from the mixture by contacting the mixture with a solution of less t...
05/13/2008
7371904Processes for synthesis of 1,3,3,3-tetrafluoropropene
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene which comprises, in one embodiment, reacting a compound of CF3X1 with a compound of CX2H═CHX3, wherein X1, X2, and X3
05/13/2008
7345209Processes for synthesis of 1,3,3,3-tetrafluoropropene
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises, in one preferred embodiment, providing a compound of the formula CF3CH2CHFX, wherein X is a selected from the group consisting of chlorine, bromine and iodin...
03/18/2008
7341984Azeotrope-like compositions of tetrafluoropropene and trifluoroiodomethane
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. ...
03/11/2008
7335804Direct conversion of HCFC 225ca/cb mixture
Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane. ...
02/26/2008
7288211Hydrofluorocarbon blown foam and method for preparation thereof
The invention relates to the addition of α-methyl styrene, isobutanol and/or isopropanol to reduce vapor pressure, improve k-factor, enhance the solubility of the blowing agent in the premix and/or improve the processing characteristics of polyurethane and polyisoc...
10/30/2007
7265082Azeotrope-like compositions of 1,1,1,3,3-pentachloropropane and carbon tetrachloride
The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentachloropropane (HCC-240fa) and carbon tetrachloride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the prod...
09/04/2007
7238299Heat transfer fluid comprising difluoromethane and carbon dioxide
Disclosed are 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 heat transfer fluid comprise from about 30 to about 70 percent, on a molar basis...
07/03/2007
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