Patent application number | Description | Published |
20080224091 | 1,1,1,2,2,4,5,5,5-NONAFLUORO-4-(TRIFLUOROMETHYL)-3-PENTANONE REFRIGERANT AND HEAT TRANSFER COMPOSITIONS COMPRISING A FLUOROETHER - Compositions of 1,1,1,2,2,4,5,5,5-nonafluoro-4 (trifluoromethyl)-3 pentanone can be used in heat transfer refrigeration and air conditioning systems. The compositions may be in combination with fluoroethers. The compositions may be azeotropic or near azeotropic. | 09-18-2008 |
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 |
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 |
20080283794 | HEAT TRANSFER AND REFRIGERANT COMPOSITIONS COMPRISING 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENE AND A FLUOROETHER - Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in combination with fluoroethers, which are azeotropic or near azeotropic. | 11-20-2008 |
20080295580 | METHOD OF DETERMINING THE COMPONENTS OF A FLUOROOLEFIN COMPOSITION, METHOD OF RECHARGING A FLUID SYSTEM IN RESPONSE THERETO, AND SENSORS USED THEREFOR - Disclosed are a method of determining the components of a fluoroolefin composition, a method of recharging a fluid system in which the composition is used, and sensors used therefor. In particular, the composition may be a fluoroolefin refrigerant composition used within a vapor compression system, where the refrigerant composition is useful in cooling systems as replacements for existing refrigerants with higher global warming potential. Such fluoroolefin refrigerant compositions have double bond structures which make them particularly well suited with sensing technologies, including: infrared sensors, UV/vis sensors, NIR sensors, ion mobility or plasma chromatographs, gas chromatography, refractometry, mass spectroscopy, high temperature thick film sensors, thin film field effect sensors, pellistor sensors, Taguchi sensors and quartz microbalance sensors. | 12-04-2008 |
20080314073 | METHOD FOR LEAK DETECTION IN HEAT TRANSFER SYSTEMS - Disclosed is a method for detecting a leak in a closed loop heat transfer system comprising monitoring the pressure of the heat transfer composition inside said heat transfer system, wherein a drop in pressure indicates a leak. Also disclosed is a heat transfer system comprising an evaporator, a compressor, a condenser, an expander and a device for measuring internal system pressure. The system pressure measuring device is disposed inside the closed loop heat system. The internal system pressure measuring means may be located either between the evaporator and the condenser, between the expander and the evaporator, between the compressor and the condenser, or between the condenser and the expander. | 12-25-2008 |
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 |
20090056349 | COMPOSITIONS COMPRISING 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENE - Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in combination with at least one bromofluorocarbon, ketones, alcohols, chlorocarbons, ethers, esters, 4-chloro-1,1,2,3,3,4-hexafluorobutene, N-(difluoromethyl)-N,N-dimethylamine, or mixtures thereof, which are azeotropic or near azeotropic. | 03-05-2009 |
20090062170 | Azeotropic compositions comprising fluorinated olefins for cleaning applications - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z-C | 03-05-2009 |
20090120619 | METHOD FOR EXCHANGING HEAT IN VAPOR COMPRESSION HEAT TRANSFER SYSTEMS - The present disclosure relates to a method for exchanging heat in a vapor compression heat transfer system. In particular, it relates to use of an intermediate heat exchanger to improve performance of a vapor compression heat transfer system utilizing a working fluid comprising at least one fluoroolefin. In addition, the present disclosure relates to a vapor compression heat transfer system comprising an intermediate heat exchanger in combination with a dual-row evaporator or a dual-row condenser, or both. | 05-14-2009 |
20090124524 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED COMPOUNDS FOR CLEANING APPLICATIONS - The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface. | 05-14-2009 |
20090189077 | Detectable Refrigerant Compositions and Uses Thereof - Disclosed herein are detectable refrigerant compositions, comprising from about 0.001 to about 5 weight percent tracer compositions, which are useful to identify leaking in a vapor compression refrigeration and/or air conditioning system. The presence of the tracers make the refrigerant compositions detectable by chemo/electro-active array, corona discharge, heated diode, electrochemical, photoionization, infrared, ultrasonic and electron capture detectors. | 07-30-2009 |
20090249809 | 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. | 10-08-2009 |
20090249864 | 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. | 10-08-2009 |
20090250650 | 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. | 10-08-2009 |
20090255285 | 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. | 10-15-2009 |
20090272931 | 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. | 11-05-2009 |
20090277194 | 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. | 11-12-2009 |
20090278072 | 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. | 11-12-2009 |
20090288431 | PHENOL STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be at least one phenol or a mixture of at least one phenol with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 11-26-2009 |
20090314015 | METHOD FOR CIRCULATING SELECTED HEAT TRANSFER FLUIDS THROUGH A CLOSED LOOP CYCLE - The present invention relates to the use of flexible hoses capable of handling high pressure fluids and providing a barrier against permeation loss in air conditioning and refrigeration systems. Such hoses are particularly suitable in air conditioning and refrigeration in which new, low global warming potential refrigerant alternatives are used. | 12-24-2009 |
20100029532 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED COMPOUNDS FOR CLEANING APPLICATIONS - The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface. | 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 |
20100056412 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C | 03-04-2010 |
20100090155 | THIOL AND THIOETHER STABILIZERS FOR FLUOROOLEFINS - The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one thiol or thioether, or mixtures thereof. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 04-15-2010 |
20100122545 | TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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. | 05-20-2010 |
20100123095 | COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE AND HYDROCARBONS AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises 2,3,3,3-tetrafluoropropene (HFC-1234yf) and at least one hydrocarbon. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, and aerosol propellants. | 05-20-2010 |
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 |
20100132387 | 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. | 06-03-2010 |
20100186432 | COMPOSITIONS COMPRISING FLUOROOLEFINS - Disclosed are compositions comprising HFC-1225ye and other compounds that are useful as heat transfer fluids, including refrigerants, in a flooded evaporator chiller, a direct expansion chiller or a closed loop heat transfer system, such as a mobile air conditioning system. The compositions are also useful as cleaning solvents, aerosol propellants, foam blowing agents, fire extinguishing or suppression agents and sterilants. Also disclosed are methods for producing cooling and methods for replacing HFC-134a in a flooded evaporator chiller, a direct expansion chiller or a closed loop heat transfer system using such compositions. | 07-29-2010 |
20100227786 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z-C | 09-09-2010 |
20100251803 | DETECTABLE REFRIGERANT COMPOSITIONS AND USES THEREOF - Disclosed herein are detectable refrigerant compositions, comprising from about 0.001 to about 5 weight percent tracer compositions, which are useful to identify leaking in a vapor compression refrigeration and/or air conditioning system. The presence of the tracers make the refrigerant compositions detectable by chemo/electro-active array, corona discharge, heated diode, electrochemical, photoionization, infra red, ultrasonic and electron capture detectors. | 10-07-2010 |
20100286015 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED COMPOUNDS FOR CLEANING APPLICATIONS - The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface. | 11-11-2010 |
20100288965 | TERPENE, TERPENOID, AND FULLERENE STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be a terpene, terpenoid or fullerene; or a mixture of a terpene, terpenoid or fullerene with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 11-18-2010 |
20100288966 | ASCORBIC ACID, TEREPHTHALATE AND NITROMETHANE STABILIZERS FOR FLUOROOLEFINS - The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one ascorbic acid, terephthalate, or nitromethane, or mixtures thereof. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 11-18-2010 |
20100301259 | PHOSPHORUS-CONTAINING STABILIZERS FOR FLUOROOLEFINS - The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one phosphorus-containing compound selected from the group consisting of thiophosphates, butylated triphenylphosphorothionates, and organophosphates. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 12-02-2010 |
20110041530 | AMINE STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be an amine or a mixture of an amine with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 02-24-2011 |
20110152152 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C | 06-23-2011 |
20110160113 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED COMPOUNDS FOR CLEANING APPLICATIONS - The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface. | 06-30-2011 |
20110197604 | SECONDARY LOOP COOLING SYSTEM HAVING A BYPASS AND A METHOD FOR BYPASSING A RESERVOIR IN THE SYSTEM - An air conditioning or refrigeration system includes a secondary loop cooling system for use with a vapor compression system having a bypass line in order to bypass a reservoir in the secondary loop system. This bypass allows the air conditioning or refrigeration system to cool down more quickly. The secondary loop cooling system uses a non-flammable cooling fluid, which is particularly useful when the refrigerant used in the vapor compression system is flammable. | 08-18-2011 |
20110204279 | 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. | 08-25-2011 |
20110252801 | COMPOSITIONS COMPRISING Z-1,2-DIFLUOROETHYLENE AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises Z-1,2-difluoroethylene (Z-HFO-1132a). 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 power cycle working fluids. | 10-20-2011 |
20110253927 | COMPOSITIONS COMPRISING E-1,2-DIFLUOROETHYLENE AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises E-1,2-difluoroethylene. 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 power cycle working fluids. | 10-20-2011 |
20110259022 | EPOXIDE AND FLUORINATED EPOXIDE STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be an epoxide, fluorinated epoxide or oxetane, or a mixture thereof with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 10-27-2011 |
20120010116 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED COMPOUNDS FOR CLEANING APPLICATIONS - The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface. | 01-12-2012 |
20120042668 | 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. | 02-23-2012 |
20120042669 | CHILLER APPARATUS CONTAINING CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND METHODS OF PRODUCING COOLING THEREIN - Disclosed herein are chiller apparatus containing cis-HFO-1336mzz. These chillers may be centrifugal chillers or positive displacment (e.g., screw) chillers and may comprise flooded evaporators or direct expansion evaporators. Also disclosed herein are methods for producing cooling comprising evaporating cis-HFO-1336mzz in the vicinity of a body to be cooled. | 02-23-2012 |
20120074349 | ASCORBIC ACID, TEREPHTHALATE AND NITROMETHANE STABILIZERS FOR FLUOROOLEFINS - The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one ascorbic acid, terephthalate, or nitromethane, or mixtures thereof. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 03-29-2012 |
20120085110 | TERPENE, TERPENOID, AND FULLERENE STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be a terpene, terpenoid or fullerene; or a mixture of a terpene, terpenoid or fullerene with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 04-12-2012 |
20120145946 | COMPOSITIONS COMPRISING REFRIGERANT AND LUBRICANT AND METHODS FOR REPLACING CFC AND HCFC REFRIGERANTS WITHOUT FLUSHINGFIELD OF THE INVENTION - A composition comprising a refrigerant and a lubricant is disclosed, wherein the refrigerant comprises (i) a fluorocarbon selected from the group consisting of R125, R134a, R32, R152a, R143a, R218 and mixtures thereof, and (ii) a hydrocarbon selected from the group consisting of propane, n-butane, isobutane, n-pentane, isopentane, dimethyl ether, and mixtures thereof; the lubricant comprises (iii) a hydrocarbon-based lubricant component; and (iv) a synthetic lubricant component; and the synthetic lubricant component is less than 30% by weight of the total lubricant. | 06-14-2012 |
20120190604 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS - The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C | 07-26-2012 |
20120216551 | CASCADE REFRIGERATION SYSTEM WITH FLUOROOLEFIN REFRIGERANT - The present invention relates to a cascade refrigeration system which circulates a refrigerant comprising a fluoroolefin therethrough. The cascade refrigeration system includes a low temperature refrigeration loop and a medium temperature refrigeration loop. The fluoroolefin circulates through either loop, or both. In a particular embodiment, the fluoroolefin circulates through the medium temperature loop. In a particular embodiment, where the cascade refrigeration system includes a first and a second cascade heat exchanger, and a secondary heat transfer loop which extends between the first and second cascade heat exchangers, either the first and/or second refrigerant may be, but need not necessarily be, a fluoroolefin. | 08-30-2012 |
20120264667 | AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED COMPOUNDS FOR CLEANING APPLICATIONS - The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface. | 10-18-2012 |
20120267564 | COMPOSITIONS COMPRISING TETRAFLUOROPROPENE AND DIFLUOROMETHANE AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning and heat pump systems wherein the composition comprises tetrafluoropropene and difluoromethane. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, fire suppression, fire extinguishing agents, as power cycle working fluids and in methods for replacing HFC-134a, R410A, \R404A, or R507. | 10-25-2012 |
20130213063 | 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. | 08-22-2013 |
20130221262 | TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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. | 08-29-2013 |
20130244922 | AZEOTROPIC COMPOSITIONS COMPRISING METHYL PERFLUOROPENTENE ETHERS FOR CLEANING APPLICATIONS - The present disclosure provides azeotropic and azeotrope-like compositions comprised of methylperfluoropentene ethers and at least one of methanol, ethanol, 2-propanol, hexane, heptane, trans-1,2-dichloroethylene, ethyl formate, methyl formate, HFE-7100, HFE-7200 and 1-bromopropane or combinations thereof. The present disclosure also provides for methods of use for the azeotropic and azeotrope-like compositions. | 09-19-2013 |
20130283834 | PHENOL STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be at least one phenol or a mixture of at least one phenol with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 10-31-2013 |
20130284464 | METHODS OF REDUCING FLAME PROPOGATION IN SYSTEMS WITH A FLAMMABLE REFRIGERANT - The present invention provides methods for reducing the propagation of a flame to or from a refrigerant source and an ignition source in or adjacent to a cooling system, comprising positioning a metal mesh flame arrestor between said refrigerant source and said ignition source. The methods allow the use of flammable refrigerants with reduced risk of fire. | 10-31-2013 |
20140020416 | EPOXIDE AND FLUORINATED EPOXIDE STABILIZERS FOR FLUOROOLEFINS - The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be an epoxide, fluorinated epoxide or oxetane, or a mixture thereof with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers, and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants. | 01-23-2014 |
20140191154 | COMPOSITIONS COMPRISING 1,1,1,2,2-PENTAFLUOROPROPANE AND A FLUOROOLEFIN AND USES THEREOF - Compositions are disclosed comprising: (a) 1,1,1,2,2-pentafluoropropane; (b) a compound selected from the group consisting of 2,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, and 1,1,1-trifluoropropene; and optionally (c) a compound selected from the group consisting of 1,1,1,2-tetrafluoroethane and difluoromethane. Such compositions are useful in methods to produce cooling, produce heat, transfer heat, form a foam, produce aerosol products, for recovering heat, and for replacing existing refrigerants. Additionally, these compositions are useful in refrigeration, air conditioning and heat pump apparatus. | 07-10-2014 |
20140216074 | COMPOSITIONS COMPRISING TETRAFLUOROPROPENE AND METHODS OF USE THEREOF - The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of:
| 08-07-2014 |
20140283537 | 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. | 09-25-2014 |
20140331697 | REFRIGERANT MIXTURES COMPRISING TETRAFLUOROPROPENE, DIFLUOROMETHANE, PENTAFLUOROETHANE, AND TETRAFLUOROETHANE, AND USES THEREOF - A non-flammable refrigerant mixture is disclosed. The non-flammable refrigerant mixture may include from 20 weight percent to 25.5 weight percent HFO-1234yf, (b) from 20 weight percent to 24.5 weight percent HFC-32, (c) from 24.5 weight percent to 30 weight percent HFC-125, (d) from 25.5 weight percent to 30 weight percent HFC-134a, and optionally (e) from about 0.0001 weight percent to 10 weight percent trans-HFO-1234ze. These refrigerant mixtures are useful as components in compositions also containing non-refrigerant components (e.g., lubricants), in processes to produce cooling, in methods for replacing refrigerants R-404A, R-507, R-407A, R-407C, R-407F and/or R-22, and in refrigeration apparatuses. | 11-13-2014 |
20150013942 | TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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. | 01-15-2015 |
20150033770 | REFRIGERANT MIXTURES COMPRISING TETRAFLUOROPROPENE, DIFLUOROMETHANE, PENTAFLUOROETHANE, AND TETRAFLUOROETHANE AND USES THEREOF - A nonflammable refrigerant mixture is disclosed. The non-flammable refrigerant mixture consists essentially of (a) from 20 weight percent to 25.5 weight percent HFO-1234yf, (b) from 20 weight percent to 24.5 weight percent HFC-32, (c) from 24.5 weight percent to 30 weight percent HFC-125 (d) from 25.5 weight percent to 30 weight percent HFC-134a, and (e) from about 0.0001 weight percent to 10 weight percent trans-HFO-1234ze. These refrigerant mixtures are useful as components in compositions also containing non-refrigerant components (e.g. lubricants), in processes to produce cooling, in methods for replacing refrigerant R-404A or R-507, and in refrigeration apparatus. | 02-05-2015 |
20150068227 | 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. | 03-12-2015 |
20150083957 | 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. | 03-26-2015 |