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VAPORIZATION, OR EXPANSION, REFRIGERATION OR HEAT OR ENERGY EXCHANGE

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252 - Compositions

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Class / Patent application numberDescriptionNumber of patent applications / Date published
252068000 With lubricants, or warning, stabilizing or anti-corrosion agents or persistent gases 115
252069000 With low-volatile solvent or absorbent 3
20120012779TEMPERATURE ADJUSTMENT DEVICE - This invention relates to a temperature adjustment device that executes an absorption cooling or heating cycle in which a lithium halide, typically a lithium bromide, absorbent is used.01-19-2012
20120138848Cooling Agent For Cold Packs And Food And Beverage Containers - Safe, stable, non-toxic and recyclable cooling compositions comprising solid particulate compounds that undergo an endothermic process when mixed with water such that the resulting mixture is useful for cooling surfaces, liquids and solids. The compositions always include one or more compounds from a group consisting of endothermic compounds that contain potassium; one or more compounds from a group of endothermic compounds that contain nitrogen; and at least one compound from a group consisting of ammonium phosphate, diammonium phosphate, ammonium polyphosphate, ammonium pyrophosphate and ammonium metaphosphate such that the compound or mixture of compounds in this group is at least 1% by weight of the final composition.06-07-2012
20110309289TEMPERATURE ADJUSTMENT DEVICE - This invention relates to a temperature adjustment device that executes an absorption cooling or heating cycle in which a lithium halide, typically a lithium bromide, absorbent is used.12-22-2011
Entries
DocumentTitleDate
20110175016Method 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 —CONH07-21-2011
20100155652METHOD 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 CO06-24-2010
20100051852PROCESSES FOR PRODUCING PENTAFLUOROPROPENES AND AZEOTROPES COMPRISING HF AND CERTAIN HALOPROPENES OF THE FORMULA C3CL2F4, C3CLF5, OR C3HF5 - A process is disclosed for making CF03-04-2010
20110193008METHOD 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
20100163781PROCESS - 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
20100072416HEAT-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
20100072415PROCESSES 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 CF03-25-2010
20100032610COMPOSITIONS 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
20100044621DOPED Gd5Ge2Si2 COMPOUNDS AND METHODS FOR REDUCING HYSTERESIS LOSSES IN Gd5Ge2Si2 COMPOUND02-25-2010
20100044620COMPOSITIONS 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
20100044619Compositions 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
20090159835REFRIGERATION OIL FROM GAS-TO-LIQUID-DERIVED AND BIO-DERIVED TRIESTERS - The present invention is directed to a refrigerator oil composition comprising 06-25-2009
20100025620PROCESSES FOR PRODUCING AND COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3- TETRAFLUOROPROPENE - A process is disclosed for making CF02-04-2010
20100006797Heat 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
20090267018Refrigerant Composition10-29-2009
20090008596HEAT 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
20110017941Refrigerant 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
20120043497Working 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 La02-23-2012
20080245992Mixture 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
20090026410LOW 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
20120286193REFRIGERANT 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
20120286192AZEOTROPE-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
20100171067TEMPERATURE-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
20110186772HEAT 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
20120097885Compositions 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
20110062373MAGNETOCALORIC 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
20100006796HEAT 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
20090278075COMPOSITIONS 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
20110168940COMPOSITION 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
20090261289R502, 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
20100127208COMPOSITIONS 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
20080265202Thermally 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 1×1010-30-2008
201200561221,3,3,3-TETRAFLUOROPROPENE PROCESS AZEOTROPES WITH HF - The present invention pertains to azeotropic and azeotrope-like compositions of the following three blends: 03-08-2012
20100200798Tetrafluoropropene Production Processes - A process is disclosed for the manufacture of CF08-12-2010
20100200797AZEOTROPIC-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
20100276628INSULATION 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
20100001227Refrigerant - 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
20090108230Thermally-responsive materials and devices comprising such materials - Devices are described that include a component comprised of a material having a structure of R04-30-2009
20100294979PROCESS FOR PRODUCING 1,2,3,3,3-PENTAFLUOROPROPENE AND RELATED AZEOTROPIC COMPOSITIONS - A process for making CHF═CFCF11-25-2010
20100294980Cellulosic 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
20100301258POLYMER 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
20110017940Refrigerant 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
20110042608OPEN-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
20110084228HYDROFLUOROOLEFIN 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-15204-14-2011
20100163780Process 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
20100038581MULTINARY SALT SYSTEM FOR STORING AND TRANSFERRING THERMAL ENERGY - Salt composition containing an amount of at least 10% by weight KNO02-18-2010
20100038582REFRIGERATOR 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
20110175015Azeotrope-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
20110101264HYDROGEN 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
200802837931,1,1,2,2,3,3,4,4-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
20080315149HEAT 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
20090127496Tetrafluoropropene Production Processes - A process is disclosed for the manufacture of CF05-21-2009
20110037016FLUOROPROPENE 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
20120168672COMPOSITIONS 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 CF07-05-2012
20120032105HEAT 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
20100320412PROCESSES FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE AND/OR 1,2,3,3-TETRAFLUOROPROPENE - A process is disclosed for making CF12-23-2010
20100320413Hydrocarbon 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
20100282999REFRIGERATOR 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
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
20100181523CARBON 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
20110095224HYDROFLUOROOLEFIN 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
20100025619Method for heating and cooling using fluoroether compounds, compositions suitable therefore and their use - Compounds of general formula (I) C02-04-2010
20100019190Refrigerant 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
20100065772TRACER-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
20090278074Stable 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
20080308763AZEOTROPE-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
20110315915AZEOTROPE 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
20090184283Antioxidants 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
20120153213TERNARY 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
20120205574AZEOTROPE 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
20090045375Refrigerant 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
20110049413INTERMETALLIC COMPOUNDS, THEIR USE AND A PROCESS FOR PREPARING THE SAME - The present invention relates to new intermetallic compounds having a crystalline structure of Ni03-03-2011
20120161063MONOCHLOROTRIFLUOROPROPENE 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
20120119136LOW 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
20100051853PROCESSES FOR PRODUCING PENTAFLUOROPROPENES AND CERTAIN AZEOTROPES COMPRISING HF AND CERTAIN HALOPROPENES OF THE FORMULA C3HCLF4 - A process is disclosed for making CF03-04-2010
20100270492Temperature 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/m10-28-2010
20120091390Refrigerant 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
20130015395Low 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
20130020528Low 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
20120241665REFRIGERANT 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
20080230739Hydrofluorocarbon-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
20080230738Compositions 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
20080197317Working 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
20100314573SHEET 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
20130153817COMPOSITIONS 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
20110309287TRANS-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
20120018666METHOD 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
20120056124AZEOTROPIC 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
20120056123HYDROFLUOROOLEFIN 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
20130207021COMPOSITION 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

Patent applications in class VAPORIZATION, OR EXPANSION, REFRIGERATION OR HEAT OR ENERGY EXCHANGE

Patent applications in all subclasses VAPORIZATION, OR EXPANSION, REFRIGERATION OR HEAT OR ENERGY EXCHANGE