Entries |
Document | Title | Date |
20080197317 | Working Fluid For Heat Transfer - Working fluid for the heat transfer, in particular for the heat transfer by heat pipes, containing or consisting of partially fluorinated and/or perfluorinated hydrocarbons and/or perfluorinated polyethers. Preferably, a mixture of pentafluorobutane and perfluorinated polyether is used as a working fluid. | 08-21-2008 |
20080230738 | Compositions comprising a fluoroolefin - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. | 09-25-2008 |
20080230739 | Hydrofluorocarbon-Based Composition - The objective of the present invention is to provide a composition capable of being used as a refrigerant and which corresponds to the desire for a reduced environmental impact. | 09-25-2008 |
20080245992 | Mixture of Refrigerant Gases Based on Hydrocarbons in Order to Obtain Greater Efficiency in Air Conditioning and Refrigeration Compression Systems - The invention relates to the mixture of natural gases based on hydrocarbons (HC) which do not damage the ozone layer and which have an insignificant greenhouse effect, said gases being substitutes for CFC gases R-12 and R-22, whereby the R-12 substitute is known as HC-12 and the R-22 substitute is known as HC-22. The aforementioned mixtures, which generate a specific pressure/temperature curve, improve the efficiency of air conditioning and refrigeration compression systems. Specifically, since condensation pressures are lower, less pressure and, consequently, less work is required from the compressor, and hence power consumption is reduced. In addition, the refrigerant gases, based on HC mixtures, replace CFCs and HCFCs and are compatible with materials and elements used in commercial refrigeration and air conditioning systems. The resulting mixture generates a specific pressure/temperature curve with a range of plus or minus 5%. Said refrigerant gases, based on HC mixtures, replace alternative refrigerants comprising mixtures containing large amounts of HFCs (hydrofluorocarbons) and are compatible with materials and elements used in commercial refrigeration and air conditioning systems. | 10-09-2008 |
20080265202 | Thermally conductive and electrically resistive liquid crystalline polymer composition - A thermally conductive polymer composition comprising liquid crystalline polymer; metal alloy having a melting point of between about 200° C. and about 500° C.; and thermally conductive filler other than the metal alloy. The composition has a volume resistivity of at least about 1×10 | 10-30-2008 |
20080283793 | 1,1,1,2,2,3,3,4,4-NONAFLUORO-4-METHOXYBUTANE REFRIGERANT COMPOSITIONS COMPRISING A FLUOROETHER AND USES THEREOF - Disclosed herein are 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane refrigerant or heat transfer fluid compositions further comprising and a fluoroether compound, which are useful in refrigeration or air conditioning apparatus or as heat transfer fluids. The compositions of the present invention are also useful in centrifugal compressor apparatus that employ two-stage compressors or single slab/single pass heat exchangers. | 11-20-2008 |
20080308763 | AZEOTROPE-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. | 12-18-2008 |
20080315149 | HEAT TRANSFER AND REFRIGERANT COMPOSITIONS COMPRISING 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENE AND A HYDROCARBON - The present invention relates to: | 12-25-2008 |
20090008596 | HEAT TRANSFER FLUIDS - Use as heat transfer fluids in the presence of metals and/or Lewis acids of mixtures comprising: (A) hydrofluoroethers and/or hydrofluoropolyethers, liquid under the environmental conditions (25° C., 1 atm); (B) a compound having a fluoropolyether structure having end groups selected from the pyridine, amine, aryl classes; and having a number average molecular weight comprised between 400 and 10,000. | 01-08-2009 |
20090026410 | LOW TEMPERATURE HEAT TRANSFER FLUID COMPOSITION - A two component low temperature heat transfer composition comprising 18% to 76% by volume of an ether component and 82% to 24% by volume of an alkylbenzene component which composition transfers thermal energy to itself from a material which is to be cooled and maintains a prolonged liquid phase in the temperature range from room temperature of about 68° F. to a very cold −175° F.; said composition being continually rejuvenated by exposure in alternating cycles to cryogenic or refrigerant materials, such as liquid nitrogen which removes thermal energy from the ether alkylbenzene composition which is maintained in a prolonged liquid phase throughout said temperature range which makes it suitable for use in very cold applications. | 01-29-2009 |
20090045375 | Refrigerant Composition - [Problems] 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-pressure operation. | 02-19-2009 |
20090108230 | Thermally-responsive materials and devices comprising such materials - Devices are described that include a component comprised of a material having a structure of R | 04-30-2009 |
20090127496 | Tetrafluoropropene Production Processes - A process is disclosed for the manufacture of CF | 05-21-2009 |
20090159835 | REFRIGERATION OIL FROM GAS-TO-LIQUID-DERIVED AND BIO-DERIVED TRIESTERS - The present invention is directed to a refrigerator oil composition comprising
| 06-25-2009 |
20090184283 | Antioxidants for phase change ability and thermal stability enhancement - Phase change ability and thermal stability enhancement have been attained by use of antioxidants and solid component. The phase change component consists essentially of secondary antioxidant (preferably with a minor proportion of primary antioxidant). Both said secondary antioxidant and said primary antioxidant are not dissolved in a liquid solvent. Thus, phase change materials exhibiting high heat of fusion, high thermal stability of the liquid (phase after melting), good phase change cyclability and melting temperature below about 50° C. are provided. By the combined use of the phase change component and second solid that remains a solid above the melting temperature of said phase change component, a phase change composite is provided. Said composite, wherein said second solid is dispersed in said phase change component, is effective for use as a thermal interface material for enhancing thermal contacts at use temperatures above the melting temperature of said phase change component. By using secondary and primary antioxidants, both dissolved in polyol ester liquid, in combination with dispersed solid (dispersed in said liquid) that enhances the thermal stability of said liquid, polyol-ester-based pastes that exhibit high thermal stability at temperatures up to at least 220° C. are provided. The secondary antioxidant, whether it is dissolved in a liquid solvent or not, is preferably thioether, most preferably thiopropionate. The primary antioxidant is preferably half-hindered phenolic. In case that antioxidants are dissolved in polyol ester liquid, the primary antioxidant and secondary antioxidant in combination preferably amount to less than 5% by weight of the liquid part of the polyol-ester-based paste. Both said second solid in said phase change composite and said dispersed solid in said paste are selected from the group: boron nitride, zinc oxide, alumina, carbon black, carbon fiber, carbon nanotube, graphite, diamond, silver, gold, aluminum and nickel. | 07-23-2009 |
20090261289 | R502, R12 or R22 Substitute Mixed Refrigerant and Refrigeration System Using Thereof - The present invention relates to a refrigerant mixture for substituting R502, R22 or R12 used in a vapor compression refrigerator or air conditioner and a refrigeration system using the same. More specifically, the present invention relates to a refrigerant mixture comprising a combination of two or three components, which is capable of being used without causing ozone layer destruction and global warming and at the same time, without replacement of the existing refrigeration system, wherein the components are selected from the group consisting of propylene, propane, 1,1,1,2-tetrafluoroethane, pentafluoroe thane, 1,1,1-trifluoroethane, 1,1-difluoroethane, dimethylether and isobutane; and a refrigeration system using the same. | 10-22-2009 |
20090267018 | Refrigerant Composition | 10-29-2009 |
20090278074 | Stable Suspensions Containing Microcapsules and Methods for Preparation Thereof - A stable suspension for the production of a temperature-regulating, polymer-containing material or fabric, comprises a solvent and a plurality of microcapsules containing at least one phase-change material. The microcapsules are incorporated in the polymer-containing material, and the stable suspension is characterized in that the solvent is capable of dissolving a fabric-forming component selected from the group consisting of at least one of the polymer and precursors thereof and the suspension is stable for at least about 20 hours. A method for manufacturing a suspension comprising a solvent and a plurality of microcapsules containing at least one phase-change material comprises providing microcapsules containing a phase-change material, providing a solvent capable of dissolving a fabric-forming component selected from the group consisting of at least one of the polymer and precursors thereof, and mixing the solvent and the microcapsules to form the suspension. | 11-12-2009 |
20090278075 | COMPOSITIONS COMPRISING 1,1,1,2,3-PENTAFLUOROPROPANE OR 2,3,3,3- TETRAFLUOROPROPENE - 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-23, HFC-143a, HFC-134, HFC-134a, FC-1216, HFO-1234yf, HFC-254eb, HFO-1243zf, and HFC-254fb. Compositions comprising HFC-245eb are useful in processes to make HFO-1234yf. Also disclosed are compositions comprising HFO-1 234yf and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFC-254fb, HFO-1243zf, HFCHFC-245eb, HFC-245fa, HFC-245cb, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-134, HFC-134a, HFO-1132a and FC-1216. Compositions comprising HFO-1234yf are useful as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems. | 11-12-2009 |
20100001227 | 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 being R161. In a second embodiment, the binary blend has a molar composition of 30 to 60 percent R717, the remainder being R170. In a third embodiment the binary blend has a molar composition of 20 to 60 percent R744, the remainder being R161. | 01-07-2010 |
20100006796 | HEAT TRANSFER FLUID, ADDITIVE PACKAGE, SYSTEM AND METHOD - Disclosed herein is a heat transfer fluid, comprising a hydroxylated carboxylic acid of formula (OH)x(R1)(COOH)y, wherein x is 2 to 10, y is 3 to 10, and R1 is a C2-50 aliphatic group, a C6-50 aromatic group, or a combination thereof; and wherein the hydroxylated carboxylic acid comprises the hydroxylated carboxylic acid, an ester thereof, a salt thereof, an anhydride thereof, or a combination thereof. A heat transfer system comprises an aluminum component, a magnesium component, or an aluminum component and a magnesium component; and the foregoing heat transfer fluid. | 01-14-2010 |
20100006797 | Heat Transfer Medium, Phosphonium Ionic Liquids, and Methods of Making - The invention generally encompasses phosphonium ionic liquids and compositions and their use in many applications, including but not limited to: as electrolytes in electronic devices such as memory devices including static, permanent and dynamic random access memory, as battery electrolytes, as a heat transfer medium, fuel cells and electrochromatic devices, among other applications. In particular, the invention generally relates to phosphonium ionic liquids, compositions and molecules possessing structural features, wherein the molecules exhibit superior combination of thermodynamic stability, low volatility, wide liquidus range and ionic conductivity. The invention further encompasses methods of making such phosphonium ionic liquids, compositions and molecules, and operational devices and systems comprising the same. | 01-14-2010 |
20100019190 | Refrigerant 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 refrigerant composition comprising difluoromethane (HFC-32), pentafluoroethane (HFC-125) and tetrafluoroethane (HFC134a), the three components being present in the composition in amounts such that the operating characteristic of the refrigerant composition in regard to superheat is provided at an acceptable level and the operating characteristics of the refrigerant composition in regard to cooling capacity, mass flow and efficiency (COP) characteristics, when employed as the refrigerant in a low temperature refrigeration system, are each at least 95% of the operating characteristics of chlorodifluoromethane (HCFC-22) if HCFC-22 were to be employed as the refrigerant in such low temperature refrigeration system. | 01-28-2010 |
20100025619 | Method for heating and cooling using fluoroether compounds, compositions suitable therefore and their use - Compounds of general formula (I) C | 02-04-2010 |
20100025620 | PROCESSES FOR PRODUCING AND COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3- TETRAFLUOROPROPENE - A process is disclosed for making CF | 02-04-2010 |
20100032610 | COMPOSITIONS COMPRISING 1,2,3,3,3-PENTAFLUOROPROPENE WITH Z- AND E-ISOMER RATIO OPTIMIZED FOR REFRIGERATION PERFORMANCE - Azeotropic or near-azeotropic compositions are disclosed comprising about 0.1 weight percent to about 99.9 weight percent Z-1,2,3,3,3-pentafluoropropene (Z-1225ye) and about 99.9 weight percent to about 0.1 weight percent E-1,2,3,3,3-pentafluoropropene (E-1225ye). | 02-11-2010 |
20100038581 | MULTINARY SALT SYSTEM FOR STORING AND TRANSFERRING THERMAL ENERGY - Salt composition containing an amount of at least 10% by weight KNO | 02-18-2010 |
20100038582 | REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATOR - The working fluid composition for a refrigerating machine of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a content of a C5-C9 branched fatty acid of 50-100% by mole, and a fluoropropene refrigerant and/or trifluoroiodomethane refrigerant. The refrigerating machine oil of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a content of a C5-C9 branched fatty acid of 50-100% by mole, and by being used together with a fluoropropene refrigerant and/or trifluoroiodomethane refrigerant. | 02-18-2010 |
20100044619 | Compositions Containing Difluoromethane and Fluorine Substituted Olefins - Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment. | 02-25-2010 |
20100044620 | 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 the inventive compositions is preferably at most equal to 150. | 02-25-2010 |
20100044621 | DOPED Gd5Ge2Si2 COMPOUNDS AND METHODS FOR REDUCING HYSTERESIS LOSSES IN Gd5Ge2Si2 COMPOUND | 02-25-2010 |
20100051852 | PROCESSES FOR PRODUCING PENTAFLUOROPROPENES AND AZEOTROPES COMPRISING HF AND CERTAIN HALOPROPENES OF THE FORMULA C3CL2F4, C3CLF5, OR C3HF5 - A process is disclosed for making CF | 03-04-2010 |
20100051853 | PROCESSES FOR PRODUCING PENTAFLUOROPROPENES AND CERTAIN AZEOTROPES COMPRISING HF AND CERTAIN HALOPROPENES OF THE FORMULA C3HCLF4 - A process is disclosed for making CF | 03-04-2010 |
20100065772 | TRACER-CONTAINING COMPOSITIONS - The present invention relates to the field of compression refrigeration and air conditioning. Specifically, the present invention relates to a tracer-containing compositions comprising refrigeration/heating fluid and tracer compound(s). Additionally, the present invention relates to a method for detecting tracer compounds to identify gases after leaving the custody of the original manufacturer or prior source, and the verification of authenticity. The aforementioned method provides for the detection of tracer compounds, which in turn, may alert the refrigeration industry to when dilution, adulteration, contamination or other unauthorized practices have occurred with refrigeration products. | 03-18-2010 |
20100072415 | PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES AND AZEOTROPIC COMPOSITIONS OF 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE WITH HF AND OF 1,1,1,2,2-PENTAFLUOROPROPANE WITH HF - A process is disclosed for making CF | 03-25-2010 |
20100072416 | HEAT-DISSIPATING RESIN COMPOSITION, SUBSTRATE FOR LED MOUNTING, REFLECTOR, AND SUBSTRATE FOR LED MOUNTING HAVING REFLECTOR PORTION - The objective of the present invention is to provide a heat-dissipating resin composition that is used for forming a substrate for LED mounting or a reflector provided on the substrate for LED mounting and is excellent in heat dissipation, electrical insulation, heat resistance and light resistance while an LED element emits light, a substrate for LED mounting and a reflector comprising the composition. The present composition comprises a thermoplastic resin such as modified PBT and a thermally conductive filler consisting of scaly boron nitride or the like, and has thermal deformation temperature of 120° C. or higher, a thermal conductivity of 2.0 W/(m·K) or higher, and a thermal emissivity of 0.7 or higher. | 03-25-2010 |
20100127208 | 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 present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential. | 05-27-2010 |
20100155652 | METHOD FOR GENERATING POLLUTION CREDITS - 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 CO | 06-24-2010 |
20100163780 | Process for Production of Dichlorotrifluoroethane - A process for the production of dichlorotrifluoroethane is described. The process comprises reacting perchloroethylene with hydrogen fluoride (HP) at elevated temperature in the vapour phase in at least one reactor in the presence of a fluorination catalyst. The process is operated so that 30 weight % or more of the perchloroethylene reactant that is fed to the at least one reactor remains unreacted having passed through the or each reactor. The dichlorotrifluoroethane may be purified and then used as it is or used to prepare pentafluoroethane. | 07-01-2010 |
20100163781 | PROCESS - A process for isomerising a (hydrohalo)fiuoroalkene, the process comprising contacting the (hydrohalo)fluoroalkene with a catalyst comprising an unsupported Lewis acid, a chromia-containing catalyst containing at least one additional metal, an alumina, a supported liquid catalyst, and mixtures thereof. | 07-01-2010 |
20100171067 | TEMPERATURE-REGULATING FIBER AND A METHOD OF MAKING THE SAME - A temperature-regulating fiber may include a spun phase change polymeric material that may include a plurality of phase change polymer blocks. The fiber may have a fixity ratio of at least 80% and a recovery ratio of at least 74%. | 07-08-2010 |
20100181523 | CARBON DIOXIDE-BASED WORKING FLUIDS FOR REFRIGERATION AND AIR CONDITIONING SYSTEMS - A working fluid comprising (a) a refrigerant comprising carbon dioxide and (b) a poly(neopentylpolyol)ester composition produced by reacting a neopentylpolyol having the formula: | 07-22-2010 |
20100200797 | 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. | 08-12-2010 |
20100200798 | Tetrafluoropropene Production Processes - A process is disclosed for the manufacture of CF | 08-12-2010 |
20100270492 | Temperature Control Materials (TCM) - The present invention discloses a composition for temperature control and heat storage consisting of sodium sulfate decahydrate, a compound of copolymers, a kind of fibres, a fusion temperature-depressing salt, a nucleating agent, and water, and a method of making it. The composition has high heat storage capacity and temperature control ability of about 35-65 Kwh/m | 10-28-2010 |
20100276628 | INSULATION PAPER WITH HIGH THERMAL CONDUCTIVITY MATERIALS - The present invention provides for a high thermal conductivity (HTC) paper that comprises a host matrix, such as mica, and HTC materials intercalated into the host matrix. The HTC materials are comprised of at least one of nanofillers, diamond like coatings directly on the host matrix, and diamond like coatings on the nanofillers. | 11-04-2010 |
20100282999 | REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATING MACHINE - The refrigerator oil of the invention comprises an ester of a polyhydric alcohol and a fatty acid with a content of a C5-C9 fatty acid of 50-100% by mole, a content of a C5-C9 branched fatty acid of at least 30% by mole and a content of a C5 or lower straight-chain fatty acid of not greater than 40% by mole, and it is used with a fluoropropene refrigerant and/or trifluoroiodomethane refrigerant. The working fluid composition for a refrigerating machine according to the invention comprises the ester and a fluoropropene refrigerant and/or trifluoroiodomethane refrigerant. | 11-11-2010 |
20100294979 | PROCESS FOR PRODUCING 1,2,3,3,3-PENTAFLUOROPROPENE AND RELATED AZEOTROPIC COMPOSITIONS - A process for making CHF═CFCF | 11-25-2010 |
20100294980 | Cellulosic Fibers Having Enhanced Reversible Thermal Properties and Methods of Forming Thereof - A viscose fiber comprises a fiber body including a regenerated cellulosic material and a plurality of microcapsules dispersed in the regenerated cellulosic material. The regenerated cellulosic material is derived from an organic plant material and the plurality of microcapsules containing a phase change material has a transition temperature in the range of 0° C. to 100° C., the phase change material providing thermal regulation based on at least one of absorption and release of latent heat at the transition temperature. | 11-25-2010 |
20100301258 | POLYMER SHEETS AND OTHER BODIES HAVING ORIENTED CHAINS AND METHOD AND APPARATUS FOR PRODUCING SAME - that are made up of oriented polymer chains are provided. Chains of polymer may be oriented or substantially aligned in one or more directions exhibiting enhanced thermal conductivity along the direction of orientation. Orientation of polymers within sheets may lead to a wide range of thermally relevant applications. | 12-02-2010 |
20100314573 | SHEET FORMABLE MONOMER COMPOSITION, HEAT CONDUCTIVE SHEET AND PRODUCTION METHOD OF THE HEAT CONDUCTIVE SHEET - To provide a composition useful for forming a heat conductive sheet that satisfies both high heat conductivity and sufficient softness, has sufficient cohesive strength at a surface portion of a heat conductive sheet and does not cause remaining paste and breakage of an electronic appliance when the sheet is peeled. The composition comprises (A) a photo polymerizable component consisting of a (meth)acryl type monomer or its partial polymer; (B) a heat conductive filler; (C) a photo reaction initiator for initiating the polymerization of the photo polymerizable component; and (D) a photo absorber for absorbing and removing a predetermined wavelength band from electromagnetic rays used for the polymerization of the photo polymerizable component. | 12-16-2010 |
20100320412 | PROCESSES FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3-TETRAFLUOROPROPENE - A process is disclosed for making CF | 12-23-2010 |
20100320413 | 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 semiconductor chips, motherboards or the like. The hydrocarbon composition includes about 5.0% ethane, about 60.0% propane, about 5.0% isobutene and about 30.0% butane by volume. | 12-23-2010 |
20110017940 | Refrigerant Composition - [Problems] 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-pressure operation. | 01-27-2011 |
20110017941 | Refrigerant Composition - The present invention is directed to using a composition comprising carbon dioxide and dimethyl ether as a refrigerant. In particular, the refrigerant composition comprises 3-6% by mole dimethyl ether and 97-94% by mole of carbon dioxide on the basis of a total number of moles of dimethyl ether and carbon dioxide. Advantageously, the refrigerant composition does not cause ozonosphere depletion, has a low global warming potential, and is safe and nontoxic. | 01-27-2011 |
20110037016 | FLUOROPROPENE COMPOUNDS AND COMPOSITIONS AND METHODS USING SAME - Various uses of fluorinated olefin having an MRI value of less than ethane, in combination with one or more other components, including other fluoroalkenes, hydrocarbons; hydrofluorocarbons (HFCs), ethers, alcohols, aldehydes, ketones, methyl formate, formic acid, water, trans-1,2-dichloroethylene, carbon dioxide and combinations of any two or more of these, in a variety of applications, including as blowing agents, are disclosed. | 02-17-2011 |
20110042608 | OPEN-CELLED, POROUS SHAPED BODY FOR HEAT EXCHANGERS - An open-cell porous shaped body for heat exchangers comprises a thermomagnetic material selected from, for example,
| 02-24-2011 |
20110049413 | INTERMETALLIC COMPOUNDS, THEIR USE AND A PROCESS FOR PREPARING THE SAME - The present invention relates to new intermetallic compounds having a crystalline structure of Ni | 03-03-2011 |
20110062373 | MAGNETOCALORIC STRUCTURE - A magnetocaloric structure includes a magnetocaloric material and at least one protective layer. The magnetocaloric material has bar type or plank type. The protective layer is disposed on the magnetocaloric material. | 03-17-2011 |
20110084228 | 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-tetrafluoropropene, 2 to 55% by weight of HFC-152 | 04-14-2011 |
20110095224 | 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 to 15% by weight, of 2,3,3,3-tetrafluoropropene, 5 to 70% by weight, preferably 40 to 60% by weight, of HFC-134a and 25 to 42% by weight of HFC-32. | 04-28-2011 |
20110101264 | HYDROGEN FLUORIDE-HFC-254EB AZEOTROPE AND ITS USES - Described is a process for separating 1,1,1,2-tetrafluoropropane and hydrogen fluoride from a mixture comprising 1,1,1,2-tetrafluoropropane, 1,1,1,2,3-pentafluoropropane and hydrogen fluoride comprising: subjecting said 1,1,1,2-tetrafluoropropane, 1,1,1,2,3-pentafluoropropane and hydrogen fluoride mixture to a distillation step, forming a column distillate composition comprising an azeotropic or near-azeotropic composition of said 1,1,1,2-tetrafluoropropane and hydrogen fluoride, and a bottoms composition of 1,1,1,2,3-pentafluoropropane. The column distillate may optionally be made essentially free of 1,1,1,2,3-pentafluoropropane and the column bottoms composition may optionally be made essentially free of HF. Also described is a process for separating 1,1,1,2-tetrafluoropropane and hydrogen fluoride from a mixture of 1,1,1,2-tetrafluoropropane and hydrogen fluoride. Also described are azeotropic and azeotrope-like compositions comprising 1,1,1,2-tetrafluoropropane and hydrogen fluoride. | 05-05-2011 |
20110133113 | "MALONE" ENGINE WITH CARBON DIOXIDE IN LIQUID SOLUTION - The invention refers to applying carbon dioxide (CO2) solution in liquid, as working fluid in the “Malone” engines, by all possible pressures in the cool reservoir. These solutions have multiply greater coefficient of thermal expansion, by which will be avoided all defects of the till know existing engines. As a solvent can be used water and all kinds of other liquids, by which would be obtained an optimal combination between the different indicators. The invention is based on the discovery we made that the blood capillaries of all warm blooded (endothermic) animals represent the working part of “Stirling-Malone” engines with free pistons, in which the working fluid is the containing carbon dioxide blood plasma, the pistons represent the obtaining parachute-form in the capillaries red blood cells, the surrounding tissue is the external heat source, the heart is the external pump (the displacer), the skin veins and the lungs are the cool reservoir (the temperature sink), and all other veins and arteries are heat-transporting tubes and heat exchangers (regenerators). | 06-09-2011 |
20110168940 | COMPOSITION FOR ENHANCING EVAPORATION OF SOLUTION AND METHOD THEREOF - The present invention discloses a composition for enhancing evaporation of a solution and a method thereof. A far-infrared ray is released by a far-infrared releasing substance in the composition so as to induce evaporation of the solution. The far-infrared releasing substance may be ceramic minerals and mainly comprises 80˜99.9 wt % of oxide minerals including 60˜95 wt % of the aluminum oxide. The present invention can enhance evaporation of the solution by a simple physical method. Hence, the present invention not only promotes the application of the products but also reduces the pollutants generated by a chemical reaction, thereby achieving the object of protecting the environment from the pollution. | 07-14-2011 |
20110175015 | Azeotrope-Like Compositions Comprising Trans-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. | 07-21-2011 |
20110175016 | Method for transferring heat - A process for transferring heat from a heat source to a heat sink, comprising using as heat transfer medium a composition comprising: at least one fluorinated fluid free from functional groups (fluid (H)); at least one functional (per)fluoropolyether (functional PFPE(1)) comprising recurring units (R1), said recurring units comprising at least one ether linkage in the main chain and at least one fluorine atom (fluoropolyoxyalkylene chain), and at least one functional end group chosen between —COOH and —CONH | 07-21-2011 |
20110186772 | HEAT TRANSFER FLUID - The present invention relates to compositions which are based on tetrafluoropropene and more particularly relates to compositions comprising 60% to 90% by weight of 2,3,3,3-tetrafluoropropene and 10% to 40% by weight of at least one compound selected from difluoroethane and difluoromethane, which can be used as a heat transfer fluid. | 08-04-2011 |
20110193008 | METHOD FOR PRODUCING A PHASE-CHANGE MATERIAL COMPOSITION - The invention relates to a method for producing a low-exuding preferably non-exuding polymer-bonded phase-change material composition containing phase-change material, characterized in that the phase-change material is liquefied, the liquid phase-change material is introduced into an extruder at a temperature of between 50° C. and 130° C., however at least 20° C. to 70° C. above the melting point of the phase-change material into which the polymer is also introduced, wherein the extruder comprises mixing transport and holder elements and the introduction of the phase-change material into the extruder in the extrusion direction is performed after the polymer. | 08-11-2011 |
20110309287 | TRANS-1,2-DICHLOROETHYLENE WITH FLASH POINT ELEVATED BY 1-CHLORO-3,3,3-TRIFLUOROPROPENE - A trans-1,2-dichloroethylene blend which comprises a combination of a major amount of trans-1,2-dichloroethylene and a minor amount of a hydrohaloolefin having an elevated flash point is disclosed The combination exhibits a flash point significantly higher than trans-1,2-dichloroethylene alone The preferred hydrohaloolefin is 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) The subject blends find application as heat transfer agents, propellents and sprayable compositions, blowing agents, solvents and cleaning agents. | 12-22-2011 |
20110315915 | AZEOTROPE AND AZEOTROPE-LIKE COMPOSITIONS OF CHLOROTRIFLUOROPROPENE AND PENTANE - Provided are azeotrope or azeotrope-like compositions comprised of chlorotrifluoropropene, particularly 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) and iso-pentane, n-pentane, cyclo-pentane and mixtures thereof, and uses thereof. | 12-29-2011 |
20120018666 | METHOD AND SYSTEM FOR ALIGNMENT OF GRAPHITE NANOFIBERS FOR ENHANCED THERMAL INTERFACE MATERIAL PERFORMANCE - The exemplary embodiments of the present invention provide a method and system for aligning graphite nanofibers in a thermal interface material to enhance the thermal interface material performance. The method includes preparing the graphite nanofibers in a herringbone configuration, and dispersing the graphite nanofibers in the herringbone configuration into the thermal interface material. The method further includes applying a magnetic field of sufficient intensity to align the graphite nanofibers in the thermal interface material. The system includes the graphite nanofibers configured in a herringbone configuration and a means for dispersing the graphite nanofibers in the herringbone configuration into the thermal interface material. The system further includes a means for applying a magnetic field of sufficient intensity to align the graphite nanofibers in the thermal interface material. | 01-26-2012 |
20120032105 | HEAT CARRIER MEDIUM FOR MAGNETOCALORIC MATERIALS - What is described is the use of alcohols, alcoholamines, diols, polyols or mixtures thereof in heat carrier media or as heat carrier media which are in contact with magnetocaloric materials. | 02-09-2012 |
20120043497 | Working Component for Magnetic Heat Exchange and Method of Producing a Working Component for Magnetic Refrigeration - A working component for magnetic heat exchange comprises a magnetocalorically active phase comprising La | 02-23-2012 |
20120056122 | 1,3,3,3-TETRAFLUOROPROPENE PROCESS AZEOTROPES WITH HF - The present invention pertains to azeotropic and azeotrope-like compositions of the following three blends:
| 03-08-2012 |
20120056123 | 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: 10 to 55% by weight, of 2,3,3,3-tetrafluoropropene, 5 to 50% by weight of HFC-152a and 30 to 55% by weight of HFC-32. | 03-08-2012 |
20120056124 | AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS OF Z-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND ETHANOL - 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 ethanol, 2-chloro-3,3,3-trifluoropropene, methanol, E-1,1,1,4,4,5,5,5-octafluoro-2-pentene, 2-bromo-3,3,3-trifluoropropene, methyl acetate, acetone, chloroform, n-hexane or 1-chloro-3,3,3-trifluoropropene. 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. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as dielectrics. | 03-08-2012 |
20120091390 | Refrigerant composition on the basis of at least one non-halogenated inflammable hydrocarbon - Refrigerant composition on the basis of at least one non-halogenated inflammable hydrocarbon, in which an addition of at least one refrigerant/extinguishing agent selected from the group of fluorinated hydrocarbons is made. | 04-19-2012 |
20120097885 | Compositions Containing Difluoromethane and Fluorine Substituted Olefins - Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment. | 04-26-2012 |
20120119136 | LOW GWP HEAT TRANSFER COMPOSITIONS - Heat transfer compositions and methods wherein the compositions have a burning velocity (BV) of less than about 10 and a global warming potential (GWP) of less than about 400 comprising: (a) from about 0 to about 50% by weight of HFC-32; (b) from about 50% to about 90% by weight of a compound selected from unsaturated —CF3 terminated propenes, unsaturated —CF3 terminated butenes, and combinations of these; and (c) from about 0 to about 25% by weight of a compound selected from HFO-1243zf, HFC-152a, and combinations of these, provided that the combination of components (a) and (c) together comprise at least about 10% by weight of the composition, and further provided that the amount of each of the components (a), (b) and (c) is selected to ensure that the BV of the composition is less than about 10 and the GWP of the composition is less than about 400. | 05-17-2012 |
20120153213 | TERNARY COMPOSITIONS FOR HIGH-CAPACITY REFRIGERATION - The invention relates to compositions containing 2,3,3,3-tetrafluoropropene and to the uses thereof as heat transfer fluid, expansion agents, solvents and aerosol. The invention specifically relates to compositions essentially containing between 15 and 50 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 40 wt. % of HFC-134a and between 45 and 60 wt. %, preferably between 45 and 50 wt. %, of HFC-32. | 06-21-2012 |
20120161063 | MONOCHLOROTRIFLUOROPROPENE COMPOUNDS AND COMPOSITIONS AND MEHTODS USING SAME - Various uses of monochlorotrifluoropropenes, in combination with one or more other components, including other fluoroalkenes, hydrocarbons; hydrofluorocarbons (HFCs), ethers, alcohols, aldehydes, ketones, methyl formate, formic acid, water, trans-1,2-dichloroethylene, carbon dioxide and combinations of any two or more of these, in a variety of applications, including as blowing agents, are disclosed. | 06-28-2012 |
20120168672 | 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 CF | 07-05-2012 |
20120205574 | AZEOTROPE AND AZEOTROPE-LIKE COMPOSITION OF 2,3,3,3-TETRAFLUOROPROPENE AND AMMONIA - The present invention relates to azeotrope and azeotrope-like compositions comprised of 2,3,3,3-tetrafluoropropene (HFO-1234yf) and ammonia, and uses thereof. | 08-16-2012 |
20120241665 | REFRIGERANT COMPOSITION COMPRISING DIFLUOROMETHANE (HFC32) AND 2,3,3,3-TETRAFLUOROPROPENE (HFO1234YF) - An object of the present invention is to provide a refrigerant composition having a reduced amount of comprehensive environmental load, in which the refrigerant composition has low GWP (direct impact on global warming is low), and has good energy efficiency (indirect impact on global warming is low) when used in a device. The present invention provides a refrigerant composition comprising 30 to 50 mass % of difluoromethane (HFC32) and 70 to 50 mass % of 2,3,3,3-tetrafluoropropene (HFO1234yf). | 09-27-2012 |
20120286192 | AZEOTROPE-LIKE COMPOSITIONS WITH 1,1,1,3,3-PENTAFLUOROBUTANE - Azeotrope-like compositions comprising a blend of 1,1,1,3,3-pentafluorobutane and one of perfluoroheptane or perfluoro-N-methylmorpholine, and uses thereof, are described. | 11-15-2012 |
20120286193 | REFRIGERANT COMPOSITION - The refrigerant composition is a hydrocarbon-based composition that may be used as a refrigerant for air conditioners, refrigerators or the like, and further, which may be used as a detergent for cleaning precision components, such as semiconductor chips, motherboards or the like. The refrigerant composition preferably includes, by volume, between 50% and 65% propylene, between 30% and 45% propane, and between 5% and 10% isobutane. In a preferred embodiment, the refrigerant composition contains about 40% propane, about 55% propylene, and about 5% isobutane (methyl propane) by volume. | 11-15-2012 |
20130015395 | Low GWP Heat Transfer Compositions Containing Difluoromethane, A Fluorinated Ethane And 1,3,3,3-Tetrafluoropropene - Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32; (b) from about 70% to about 90% by weight of HFO-1234ze; and (c) from about 5% to less than about 20% by weight of HFC-152a and/or HFC-134a. | 01-17-2013 |
20130020528 | Low GWP Heat Transfer Compositions Containing Difluoromethane And 1,3,3,3-Tetrafluoropropene - Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32 and (b) from about 80% to about 95% by weight of HFO-1234ze. | 01-24-2013 |
20130153817 | COMPOSITIONS AND USE OF VINYLIDENE FLUORIDE AND BLENDS THEREOF - The present technology relates to compositional blends that can be used as refrigerants, and more specifically to blends of vinylidene fluoride and at least one other component for use in very low temperature applications. In at least some examples, the second component can be selected from the group consisting of carbon dioxide and pentafluoroethane. Further, the compositions can be azeotropic or azeotrope-like. | 06-20-2013 |
20130207021 | COMPOSITION OF ZEOTROPIC MIXTURES HAVING PREDEFINED TEMPERATURE GLIDE - A composition of a zeotropic mixture has a first chemical constituent and at least one second, different chemical constituent. The zeoptropic mixture has a temperature glide of 5° C.-25° C. with regard to its saturated vapor temperature and its saturated liquid temperature. The first chemical constituent is selected from 1,1,1,3,3-pentafluoropropane, 1,1,2,2,3-pentafluoropropane, 1,1,1,3,3-pentafluorobutane, methyl perfluoropropyl ether, 1,1,1,2,3,3-hexafluoropropane and 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone. | 08-15-2013 |
20130234059 | Haloalkene Complexes - Compositions comprising an activated oil blend are provided. Also provided are compositions comprising a halo-alkene complex can be used as a refrigerant. The compositions can increase the energy efficiency and reduces leakage rates of refrigeration systems. Some compositions comprise at least 0.1 wt % of an oleic oil fatty acid, 0.1 wt % of a linoleic oil fatty acid, and at least 98 wt % of r-134a. Some compositions comprise an oil blend comprising an oleic acid to linoleic acid ratio of approximately 60:1. At least some of the r-134a can be complexed with at least one of the organic oil fatty acids. | 09-12-2013 |
20140021399 | METHOD FOR PREPARING A TERNARY OR HIGHER ZEOTROPIC REFRIGERANT MIXTURE - A method for preparing a ternary or higher zeotropic refrigerant mixture comprising components of different volatilities is described. The method comprises: mixing together the less volatile components of the mixture in a pre-blending process; and separately adding the most volatile component to the pre-blended mixture by pressure or mass flow control so that the desired initial liquid composition is attained. The liquid zeotropic refrigerant mixture that is prepared may be transferred from a container in which it is held to another container or to a piece of equipment that is to use the refrigerant mixture. This method comprises the steps of: removing at least a portion of the prepared liquid zeotropic refrigerant mixture from a container in which it is held; charging the liquid zeotropic refrigerant mixture that is removed to another container or to a piece of equipment in which it is to be used; and adding at least the most volatile component of the refrigerant mixture to the holding container to compensate for the removal of liquid refrigerant mixture therefrom. | 01-23-2014 |
20140034870 | 1,2,3,3,3-Pentafluoropropene Production Processes - A process is disclosed for making CF | 02-06-2014 |
20140048739 | COMPOSITIONS OF CHLORO-TRIFLUOROPROPENE AND HEXAFLUOROBUTENE - Provided are compositions, preferably azeotrope or azeotrope-like compositions comprised of 1,1,1,4,4,4-hexafluoro-2-butene and chlorotrifluoropropene, particularly 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), and uses thereof. | 02-20-2014 |
20140070132 | WORKING MEDIUM AND HEAT CYCLE SYSTEM - To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (capacity). | 03-13-2014 |
20140077122 | WORKING MEDIUM AND HEAT CYCLE SYSTEM - To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity). | 03-20-2014 |
20140077123 | WORKING MEDIUM AND HEAT CYCLE SYSTEM - To provide a working medium for heat cycle which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (the efficiency and the capacity), and a heat cycle system excellent in the cycle performance (the efficiency and the capacity). A working medium for heat cycle comprising 1,2-difluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system | 03-20-2014 |
20140131613 | REFRIGERANTS - Refrigerants for use in a thermodynamic cycle taking place in a system producing either hot or cold are disclosed. The refrigerants comprise binary azeotrope mixture of saturated hydrocarbon with either methanol or ethanol. The refrigerants are of preventing undesirable formation of oil film on the inner surface of the circulating system and thus to improve the performance of the system. | 05-15-2014 |
20140131614 | WORKING MEDIUM FOR HEAT CYCLE AND HEAT CYCLE SYSTEM - To provide a working medium for heat cycle which has inflammability suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (efficiency), and a heat cycle system whereby safety is secured and which is excellent in the cycle performance (efficiency). | 05-15-2014 |
20140158930 | REFRIGERANT COMPOSITION - A refrigerant composition consists essentially of three hydrofluorocarbon components selected from HFC134a, HFC125 and HFC143a and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof boiling in the range −50° C. and +40° C. | 06-12-2014 |
20140191153 | LOW GWP HEAT TRANSFER COMPOSITIONS - Heat transfer compositions and methods wherein the compositions have a burning velocity (BV) of less than about 10 and a global warming potential (GWP) of less than about 400 comprising: (a) from, about 0 to about 50% by weight of HFC-32; (b) from about 50% to about 90% by weight of a compound selected from unsaturated —CF3 terminated propenes, unsaturated —CF3 terminated butenes, and combinations of these; and (c) from about 0 to about 25% by weight of a compound selected from HFO-1243zf, HFC-152a, and combinations of these, provided that the combination of components (a) and (c) together comprise at least about 10% by weight of the composition, and further provided that the amount of each of the components (a), (b) and (c) is selected to ensure that the BV of the composition is less than about 10 and the GWP of the composition is less than about 400. | 07-10-2014 |
20140239221 | Treated Geothermal Brine Compositions With Reduced Concentrations of Silica, Iron and Lithium - This invention relates to treated geothermal brine compositions containing reduced concentrations of lithium, iron and silica compared to the untreated brines. Exemplary compositions contain concentration of lithium ranges from 0 to 200 mg/kg, concentration of silica ranges from 0 to 30 mg/kg, concentration of iron ranges from 0 to 300 mg/kg. Exemplary compositions also contain reduced concentrations of elements like arsenic, barium, and lead. | 08-28-2014 |
20140284516 | Compositions For Totally Non-Flammable Aerosol Dusters - A composition of matter for the self-pressurized (aerosol) spraying of dusters and similar products. The composition includes a fluorinated propene-based propellant and fluorinated butene-based volatile solvent. The composition is totally non-flammable under all reasonably foreseeable conditions of use. The fluorinated propene-based propellant may include trans.1,1,1,3-tetrafluoroprop-1-ene, as typified by Honeywell Fluorine Products Division's Solstice® HFO-1234ze(E) product. The fluorinated butene-based volatile solvent may include cis. (or cis./trans.) 1,1,1,4,4,4-hexafluoro-1-butene, as typified by the DuPont Fluorochemicals Division's Formacel® 1100 (HFO-1336mzz) product. The fluorinated propene-based propellant component may be present at about 60 to 95%. The fluorinated butene-based volatile solvent component may be present at about 5% to 40%, but preferably between about 20% to 25% and ideally at about the azeotropic concentration of about 22%. Some or all of the fluorinated butene based component may be replaced with up to about 25% of a totally non-flammable component, such as iodotrifluoromethane (CIF | 09-25-2014 |
20140284517 | AZEOTROPE-LIKE COMPOSITIONS OF TETRAFLUOROPROPENE AND WATER - Provided are azeotropic and azeotrope-like compositions of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) and water. Such azeotropic and azeotrope-like compositions are useful in isolating trans-1,3,3,3-tetrafluoropropene from impurities during production. Azeotropes of the instant invention are similarly useful in final compositions or for the manufacture of final compositions, such as blowing agent, propellants, refrigerants, diluents for gaseous sterilization and the like. | 09-25-2014 |
20140346390 | Azeotrope-Like Compositions Comprising Trans-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. | 11-27-2014 |
20140367606 | AZEOTROPIC OR AZEOTROPE-LIKE COMPOSITION AND PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The present invention provides a process for producing 2,3,3,3-tetrafluoropropene, comprising distilling a mixture of water and 2,3,3,3-tetrafluoropropene to separate the mixture into a first stream and a second stream, the first stream containing 2,3,3,3-tetrafluoropropene with a water content higher than the original mixture, and the second stream containing 2,3,3,3-tetrafluoropropene with a water content lower than the original mixture; and obtaining 2,3,3,3-tetrafluoropropene with a reduced water content from the second stream. The process of the invention can efficiently remove water from 2,3,3,3-tetrafluoropropene (HFO-1234yf). | 12-18-2014 |
20150008357 | AZEOTROPIC OR AZEOTROPE-LIKE COMPOSITION, AND METHOD FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE OR CHLOROMETHANE - To provide a method for efficiently separating 2,3,3,3-tetrafluoropropene (HFO-1234yf) and chloromethane (R40) from a composition comprising HFO-1234yf and R40. An azeotrope-like composition comprising from 58 to 78 mol % of HFO-1234yf and from 22 to 42 mol % of R40, and a method for producing HFO-1234yf, which comprises steps of distilling an initial mixture containing HFO-1234yf in a content exceeding 63 mol % in the total amount of HFO-1234yf and R40, thereby to separate the initial mixture into a first fraction in which the content of HFO-1234yf in the total amount of HFO-1234yf and R40 is lower than the content of HFO-1234yf in the total amount of HFO-1234yf and R40 in the initial mixture, and a second fraction in which the content of HFO-1234yf in the total amount of HFO-1234yf and R40 is higher than the content of HFO-1234yf in the total amount of HFO-1234yf and R40 in the initial mixture, and then obtaining HFO-1234yf having a reduced R40 concentration, from the second fraction. | 01-08-2015 |
20150144833 | REFRIGERANT GAS COMPOSITION - Present invention relates to a refrigerant composition comprising tetrafluorethane, difluoromethane and pentafluoroethane for use in heating and cooling applications, especially for inverter air-conditioners/heat pumps. | 05-28-2015 |
20150322317 | COMPOSITION INCLUDING 2,3,3,3-TETRAFLUOROPROPENE - A composition including the compound HFO-1234yf and at least one other, additional, compound selected from HCFC-240db, HCFO-1233xf, HCFC-243db, HCFO-1233zd, HCC-40, HCFC-114a, HCFC-115, HCFC-122, HCFC-23, HCFC-124, HCFC-124a, HFC-125, HCFC-133a, HCFC-142, HCFC-143, HFC-52a, HCFC-243ab, HCFC-244eb, HFC-281ea, HCO-1110, HCFO-1111, HCFO-1113, HCFO-1223xd, and HCFO-1224xe. A composition including the compound HFO-1234yf and at least two compounds selected from HFO-1234ze, HFC-245cb, HFC-134a, HCFC-115, HFC-152a, HCC-40 and HFO-1243zf. | 11-12-2015 |
20150322321 | COMPOSITION CONTAINING 2,3,3,3-TETRAFLUOROPROPENE AND 1,2-DIFLUOROETHYLENE - Compositions containing 2,3,3,3-tetrafluoropropene and 1,2-difluoroethylene, that can be used in multiple fields of application. The composition can include from 45 to 90 mol % of 2,3,3,3-tetrafluoropropene and from 55 to 10 mol % of, 1,2-difluoroethylene. The composition can include from 55 to 80 mol % of 2,3,3,3-tetrafluoropropene and from 45 to 20 mol % of 1,2-difluoroethylene. The composition can include from 62 to 69 mol % of 2,3,3,3-tetrafluoropropene and from 38 to 31 mol % of 1,2-difluoroethylene at a temperature of between −30° C. and 56° C. and a pressure of between 1 and 15 bar. | 11-12-2015 |
20150329757 | REDUCING FLAMMABILITY OF HYDROCARBON REFRIGERANTS WHILE MAINTAINING REFRIGERATING CAPACITY - Hydrocarbon refrigerant blends having reduced flammability are disclosed. The blends may have a relatively low halocarbon content to maintain favorable environmental, performance, and toxicity parameters. | 11-19-2015 |
20150344757 | COMPOSITION CONTAINING 1,1,-DIFLUOROETHANE AND 3,3,3-TRIFLUOROPROPENE - Compositions containing 1,1-difluoroethane and 3,3,3-trifluoropropene, that can be used in multiple fields of application. The composition may include from 25 to 65 mol % of 1,1-difluoroethane and from 75 to 35 mol % of 3,3,3-trifluoropropene at a temperature of between −25° C. and 25° C. and a pressure of between 1 and 6 bar. The composition may further include hydrogen fluoride. The composition may include from 20 to 55 mol % of HF, 30 to 40 mol % of 1,1-difluoroethane and 30 to 40 mol % of 3,3,3-trifluoropropene. | 12-03-2015 |
20150353799 | AZEOTROPIC OR QUASI-AZEOTROPIC COMPOSITION OF CHLOROMETHANE - Quasi-azeotropic or azeotropic compositions containing chloromethane and at least one or more compound(s) selected from 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 1,1,1,2-tetrafluoroethane, 1,1,1,2,2-pentafluoropropane, E/Z-1,1,3,3,3-pentafluoropropene, E/Z-1,2,3,3,3-pentafluoropropene, 1,1-difluoroethane and E-1,3,3,3-tetrafluoropropene. The composition may include either from 0.5 to 70 mol % of chloromethane and at least from 99.5 to 30 mol % of a compound selected from 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane, 3,3,3-trifluoropropene and 1,1,1,2-tetrafluoroethane, or from 55 to 95 mol % of chloromethane and at least from 45 to 5 mol % of one or more compound(s) selected from 1,1,1,2,2-pentafluoropropane, E/Z-1,1,3,3,3-pentafluoropropene, E/Z-1,2,3,3,3-pentafluoropropene and E-1,3,3,3-tetrafluoropropene. | 12-10-2015 |
20150376486 | WORKING FLUID FOR HEAT CYCLE - To provide a working fluid for heat cycle, which has less influence over the ozone layer and has less influence over global warming, and which has favorable cycle performance. | 12-31-2015 |
20160002518 | COMPOSITION CONTAINING TRIFLUOROETHYLENE - To provide a composition containing HFO-1123 having a low GWP, useful as a heat transfer composition, an aerosol sprayer, a foaming agent, a blowing agent, a solvent or the like. | 01-07-2016 |
20160024361 | HEAT TRANSFER COMPOSITIONS AND METHODS - Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) from about 100% to about 35% by weight of HFC-32; (b) from about 100/% to about 35% by weight of HFC-125; (c) from about 20% to about 50% by weight of HFO-1234ze, HFO-1234yf and combinations of these; (d) from about 15% to about 35% by weight of HFC-134a; and optionally (e) up to about 10% by weight of CF3I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a)-(e) in the composition. | 01-28-2016 |
20160046850 | LOW GWP HEAT TRANSFER COMPOSITIONS CONTAINING DIFLUOROMETHANE, A FLUORINATED ETHANE AND 1,3,3,3-TETRAFLUOROPROPENE - Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32; (b) from about 70% to about 90% by weight of HFI-1234ze; and (c) from about 5% to less than about 20% by weight of HFC-152a and/or HFC-134a. | 02-18-2016 |
20160129411 | AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE - The present invention relates, in part, to ternary azeotropic compositions and mixtures including chlorotrifluoropropene, methanol, and a third component selected from isohexane, trans-1,2-dichloroethylene, and petroleum ether. The present invention further relates to ternary azeotropic compositions and mixtures including chlorotrifluoropropene, cyclopentane, and a alcohol selected from methanol, ethanol, and isopropanol. | 05-12-2016 |
20160137894 | NON-AZEOTROPIC FLUID MIXTURE FOR AIR CONDITIONING DEVICES - A non-azeotropic fluid mixture for air conditioning apparatus characterised because the mixture comprises the following refrigerant fluids (gases) in given proportions:
| 05-19-2016 |
20160137896 | ENVIRONMENTALLY FRIENDLY NEAR-AZEOTROPIC MIXED REFRIGERANT - Disclosed is an environmentally friendly near-azeotropic mixed refrigerant, consisting essentially of HFO-1234 yf, HFE-143a and a third component, with the mass percentage of each component being: 70%-98% of HFO-1234yf, 1%-15% of HFE-143a and 1%-15% of the third component. The refrigerant of the present invention is environmentally friendly, excellent in thermodynamic properties, can directly realize drop-in substitution in an original system using HFC-134 | 05-19-2016 |
20160137897 | MIXED REFRIGERANT - Disclosed is a mixed refrigerant having a GWP value less than 150. The mixed refrigerant consists of 2,3,3,3-tetra-fluoropropene (HFO-1234yf), Trans-1,3,3,3-tetra-fluoropropene (HFO-1234ze(E)) and trifluoromehyl ether(CH | 05-19-2016 |
20160145481 | REFRIGERANT COMPOSITIONS - Refrigerant compositions are described, which can be used for example, in refrigeration, air conditioning, and/or heat pump systems which for example, can be incorporated into a heating, ventilation and air conditioning (HVAC) system or unit. The refrigerant composition includes an amount of a R125 refrigerant, an amount of a R32 refrigerant, and an amount of a R1234yf refrigerant, where the R32 refrigerant has higher flammability than the R125 refrigerant, and the R1234yf refrigerant has higher flammability than the R125 refrigerant. | 05-26-2016 |
20160251556 | REFRIGERANT | 09-01-2016 |