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| Number | Title | Issue Date |
| 8168077 | Refrigerant compositions and use thereof in low temperature refrigeration systems A refrigerant composition. The composition has 25 to 35 mass % difluoromethane, 20 to 40 mass % pentafluoroethane, and 35 to 45 mass % tetrafluoroethane. The composition exhibits a positive superheat at an evaporation temperature of about −30° F. There is also a ... | 05/01/2012 |
| 8163196 | Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene 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 ... | 04/24/2012 |
| 8163197 | Azeotropic compositions comprising fluorinated olefins for cleaning applications The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C3F7CH═CHC3F7, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether,... | 04/24/2012 |
| 8153018 | Methods for making 3-chloro-1,1,1,6,6,6-hexafluoro-2,4-hexadiene 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 particul... | 04/10/2012 |
| 8147709 | Compositions comprising 3,3,3-trifluoropropyne Disclosed are compositions comprising HFC-245eb and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-245fa, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC... | 04/03/2012 |
| 8147710 | Compositions comprising 2,3,3,3-tetrafluoropropene, 2-chloro-2,3,3,3-tetrafluoropropanol, 2-chloro-2,3,3,3-tetrafluoro-propyl acetate or zinc (2-chloro-2,3,3,3-tetrafluoropropoxy) chloride Compositions comprising CF3CClFCH2OH, CF3CClFCH2OZnCl, and CF3CClFCH2OC(═O)CH3 are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf may comprise at least one add... | 04/03/2012 |
| 8142680 | Compositions that can be used as refrigerants The invention relates to compositions that can be used as refrigerants. More specifically, the invention relates to compositions having a very low contribution to the greenhouse effect, which can be used in the cooling and production of conditioned air. The GWP of t... | 03/27/2012 |
| 8133406 | Processes for producing 2,3,3,3-tetrafluoropropene and/or 1,2,3,3-tetrafluoropropene A process is disclosed for making CF3CF═CH2 or mixtures thereof with CHF2CF═CHF. This process involves (a) reacting CHCl2CF2CF3, and optionally CHClFCF2CClF2, with H2 | 03/13/2012 |
| 8133407 | Sesquiterpene stabilized compositions 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 sele... | 03/13/2012 |
| 8114308 | Azeotrope-like composition of 2,3-dichloro-3,3-difluoropropene (HCFO-1232xf) and hydrogen fluoride (HF) 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-123... | 02/14/2012 |
| 8097182 | Hydrocarbon refrigerant and detergent composition The hydrocarbon refrigerant and detergent composition is a hydrocarbon-based composition, which may be used as a refrigerant for air conditioners, refrigerators or the like, and which may also be used as a detergent for cleaning precision components, such as semicon... | 01/17/2012 |
| 8097181 | Ascorbic acid, terephthalate and nitromethane stabilizers for fluoroolefins The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one ascorbic acid, terephthalate, or nitromethane, or mixtures thereof. The stabilized compositions may be useful in cooli... | 01/17/2012 |
| 8075796 | Phenol stabilizers for fluoroolefins The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be at least one phenol or a mixture of at least one phenol with other stabilizers. The stabilized compositions may be useful in cooling ... | 12/13/2011 |
| 8075798 | Hydrofluoroolefin compositions The present invention relates to compositions containing hydrofluoroolefins and to the uses thereof as heat transfer fluids, blowing agents, solvents and aerosols. More particularly, the invention relates to compositions having: 2 to 55% by weight, of 2,3,3,3-tetraf... | 12/13/2011 |
| 8075797 | Azeotrope-like compositions of pentafluoropropane, chlorotrifluoropropene, and hydrogen fluoride 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. ... | 12/13/2011 |
| 8070976 | Compositions comprising fluoroolefins and uses thereof The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the p... | 12/06/2011 |
| 8070977 | Hydrofluoroolefin compositions The present invention relates to compositions containing hydrofluoroolefins and to the uses thereof as heat transfer fluids, blowing agents, solvents and aerosols. More particularly, the invention relates to compositions having: 5 to 65% by weight, preferably from 5... | 12/06/2011 |
| 8070975 | Azeotrope-like composition of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and hydrogen fluoride (HF) 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-1... | 12/06/2011 |
| 8066899 | Non-ignitable gaseous composition comprising difluoromethane and tetrafluoroethylene The present disclosure relates to non-ignitable gaseous compositions comprising difluoromethane and tetrafluoroethylene. When the pressure is at least 150 psig, the molar percentage of tetrafluoroethylene in the non-ignitable gaseous composition is no more than 111.... | 11/29/2011 |
| 8066901 | Azeotrope-like compositions of trans-1,1,1,4,4,4-hexafluoro-2-butene and water Provided are azeotropic and azeotrope-like compositions of trans-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz(E)) and water. Such azeotropic and azeotrope-like compositions are useful in isolating HFO-1336mzz(E) from impurities during production. Azeotropes of the i... | 11/29/2011 |
| 8066900 | Azeotropic-like compositions with 1,1,1,2,3,3-hexafluoro-3-methoxy-propane and 1-bromopropane Azeotrope-like compositions comprising 1-bromopropane and 1,1,1,2,3,3-hexafluoro-3-methoxy-propane, and uses thereof, are described. ... | 11/29/2011 |
| 8034251 | Azeotropic compositions of 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf), 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb), and hydrogen fluoride (HF) 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 intermediate... | 10/11/2011 |
| 8029691 | Refrigerant A refrigerant that is azeotropic or near-azeotropic comprises a binary blend of R744 and R41. In one embodiment the binary blend has a molar composition of 20 to 60 percent R744, the remainder being R41. ... | 10/04/2011 |
| 8012368 | Compositions comprising fluoroolefins and uses thereof The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the p... | 09/06/2011 |
| RE42652 | Near-azeotropic ternary compositions constituted by hydrogenated fluorocarbons and hydrocarbons, suitable as refrigerating fluids Near-azeotropic ternary compositions of hydrofluorocarbons with n-butane or isobutane selected from: | 08/30/2011 |
| 7981312 | Processes for producing and compositions comprising 2,3,3,3-tetrafluoropropene and/or 1,2,3,3-tetrafluoropropene A process is disclosed for making CF3CF═CH2 or mixtures thereof with CHF═CFCHF2. The process involves contacting CCl3CF2CF3 and optionally CCl2FCF2CClF2 with H | 07/19/2011 |
| 7981311 | Process and methods of purification for the manufacture fluorocarbons 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 ... | 07/19/2011 |
| 7976721 | Refrigerant composition To provide a safe, nontoxic, and high-performance mixed refrigerant for hot water supply/heating system which is prepared by mixing dimethyl ether with carbon dioxide and which does not deplete the ozone layer, has a low global warming potential, and permits low-pre... | 07/12/2011 |
| 7943055 | Secondary circulation cooling system To provide a secondary circulation cooling system using a composition which is less influential over the environment as a secondary coolant, is non-inflammable, has a small pressure drop particularly at a low temperature and has a large heat transfer coefficient. | 05/17/2011 |
| 7935268 | Azeotrope-like compositions comprising -1-chloro-3,3,3-trifluoropropene An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of pentane, hexane, methanol, and trans-1,2-dichloroethene. ... | 05/03/2011 |
| 7927502 | Azeotropic compositions comprising fluorinated compounds for cleaning applications 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-l... | 04/19/2011 |
| 7922930 | Azeotropic compositions comprising fluorinated olefins for cleaning applications The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z -C3F7CH═CHC3F7, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether, ... | 04/12/2011 |
| 7914696 | Heat transfer compositions Heat transfer compositions are usable in their own right or are suitable as a replacement for existing refrigeration usages. The compositions possess a reduced Greenhouse Warming Potential, yet have a capacity and energy efficiency (which may be conveniently express... | 03/29/2011 |
| 7862739 | Refrigerant This invention relates to a refrigerant that is azeotropic or near-azeotropic and comprises a binary blend of R1270 and R161, R170 and R717, or R744 and R41. In a first embodiment, the binary blend has a molar composition of 50 to 80 percent R1270, the remainder bei... | 01/04/2011 |
| 7833434 | Tetrafluoropropene production processes A process is disclosed for producing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. The process involves pyrolyzing 1,1,1,2,3-pentafluoropropane. ... | 11/16/2010 |
| 7833433 | Heat 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 |
| 7803283 | Azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) and 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) Provided are azeotropic and azeotrope-like compositions of 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb). Such azeotropic and azeotrope-like compositions are useful as intermediates in the production of 2,3,3,3-te... | 09/28/2010 |
| 7744774 | Azeotropic compositions comprising fluorinated olefins for cleaning applications The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C3F7CH═CHC3F7, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether,... | 06/29/2010 |
| 7736529 | Azeotrope-like compositions containing sulfur hexafluoride and uses thereof 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 el... | 06/15/2010 |
| 7722780 | Refrigerant composition and process for preparation thereof The present application provides a refrigerant composition for a single stage refrigeration system operation comprising: more than 25 molar percent but less than 30 molar percent of Nitrogen; at least some but less than 20 molar percent of Methane; more than 30 mola... | 05/25/2010 |
