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7270717 |
Compositions and methods for cleaning contaminated articles
Disclosed are compositions and methods for cleaning contaminated articles based on the provision of a zeotropic composition comprising (a) at least one flammable solvent having a boiling point at a...
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7264745 |
Heat transfer and refrigerant compositions comprising 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene and a hydrofluorocarbon
The present invention relates to 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...
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7258813 |
Refrigerant composition
Refrigerant compositions are provided which include:
(a) pentafluoroethane or trifluoromethoxydifluoromethane or hexafluorocyclopropane or mixtures thereof, in an amount from about 60 to...
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7252779 |
Transesterification composition of fatty acid esters, and uses thereof
This invention is a composition that includes a transesterified fatty acid ester resulting from the reaction of a fatty acid ester, in the presence of an acid, with a hydroxyl-containing compound....
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7241928 |
Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR 1 R 2 CBR 3 R 4 (where A, B, R 1 , R 2 , R 3 , and R 4 are as defined in the specification) which...
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7238299 |
Heat transfer fluid comprising difluoromethane and carbon dioxide
Disclosed are heat transfer fluids which possess a highly desirable and unexpectedly superior combination of properties, and heat transfer systems and methods based on these fluids. The heat...
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7226543 |
Rare earth metal oxysulfide regenerative material and regenerator
A rare earth metal oxysulfide represented by a general formula R 2 O 2 S (R denotes one kind or two or more kinds of rare earth elements to be selected from a group of La, Ce, Pr, Nd, Sm, Eu, Gd,...
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7220364 |
1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane refrigerant compositions comprising hydrocarbon and uses thereof
The present invention relates to compositions for use in refrigeration and air-conditioning systems comprising 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane and at least one hydrocarbon. Further,...
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7217373 |
Fluorocarbon, oxygenated and non-oxygenated lubricant, and compatibilizer composition, and method for replacing refrigeration composition in a refrigeration system
The present invention relates to refrigerant compositions comprising a fluorocarbon, an oxygenated lubricant, a non-oxygenated lubricant, and a compatibilizer. The present invention further relates...
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7210301 |
Use of 1,1,1,3,3-pentafluorobutane as a refrigerant in a turbocompressor cooling system
The use of 1,1,1,3,3-pentafluorobutane (R365mfc) as refrigerant in turbocompressor cooling systems, which, due to their construction, can achieve high outputs with a small space and material...
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7208099 |
Refrigerant compositions comprising 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane and a hydrofluorocarbon and uses thereof
Disclosed herein are 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane refrigerant or heat transfer fluid compositions further comprising at least one hydrofluorocarbon, which are useful in refrigeration...
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7208100 |
1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane refrigerant compositions comprising a fluoroether and uses thereof
Disclosed here in are refrigerant or heat transfer fluid compositions comprising C 4 F 9 OC 2 H 5 compositions and at least one hydrofluoroether, which are useful in refrigerain or air...
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7201855 |
1,1,1,3,3-pentafluorobutane refrigerant compositions comprising fluoroether and uses thereof
Disclosed herein are 1,1,1,3,3-pentafluorobutane refrigerant or heat transfer fluid compositions further comprising fluoroether, which are useful in refrigerain or air conditioning apparatus or as...
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7198728 |
1-ethoxy-1,1,2,2,3,3,4,4,4,-nonafluorobutane refrigerant compositions comprising a hydrocarbon and uses thereof
The present invention relates to compositions for use in refrigeration and air-conditioning systems comprising 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane and at least one hydrocarbon. Further, the...
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7195718 |
Azeotrope-like compositions containing fluoroethane
The present invention relates to the discovery of compositions which include fluoroethane, 2-fluoropropane or tert-butylfluoride. These compositions are useful as pure components or with at least...
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7183448 |
Azeotropic composition, comprising 1, 1, 1, 3,3-pentafluoropropane and 1, 1, 1-trifluoro-3-chloro-2-propene, method of separation and purification of the same, and process for producing 1, 1, 1,3,3-pentafloropropane and 1, 1, 1-trifluoro-3-chloro-2-propene
A mixture comprising at least 1,1,1,3,3-pentafluoropropane and 1,1,1-trifluoro-3-chloro-2-propene is subjected to a distillation operation, and thereby, a distillate comprising an azeotropic...
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7176169 |
Refrigerator lubricant compositions
A lubricant composition for use in a rotary vane compressor has a base oil component that comprises an alkylbenzene as a major component thereof and a polyol ester as a minor component thereof. In...
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7169320 |
Pentafluoropropane-based compositions
The present invention provides compositions comprising pentafluoropropane, a second component selected from the group consisting of decafluoropropane, perfluorobutyl methyl ether and combinations...
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7153448 |
1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone compositions comprising a hydrofluorocarbon and uses thereof
Disclosed herein are refrigerant and heat transfer fluid compositions comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone
and at least one hydrofluorocarbon for use in...
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7144926 |
Blowing agent blends
Foam blowing agent blends containing trans-1,2-dichloroethylene and one or more hydrofluorocarbons are provided, as are foam compositions containing such blends. The resulting foams exhibit...
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7144523 |
Azeotropic compositions of cyclopentane
This invention relates to compositions of cyclopentane, and a compound selected from the group consisting of hydrofluorocarbons, hydrofluoroethers, or fluorinated sulfur compounds. Specifically...
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7128133 |
Hydrofluoroether as a heat-transfer fluid
The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by...
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7127902 |
Composition for leak stopper and sealer
A composition is disclosed for preventing and repairing leaks, and lubricating gaskets and o-rings, preferably for use in a motor vehicle air conditioning system. The composition preferably...
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7098176 |
Azeotrope-like compositions of tetrafluoropropene and pentafluoropropene
Provided are azeotrope-like compositions comprising tetrafluoropropene and pentafluoropropene and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent...
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7094356 |
1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone refrigerant compositions and uses thereof
The present invention relates to compositions for use in refrigeration and air conditioning systems comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone
and at least one...
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7086240 |
Method and apparatus for measuring and improving efficiency in refrigeration systems
An apparatus for optimizing an efficiency of a refrigeration system, comprising means for measuring a refrigeration efficiency of an operating refrigeration system: means for altering a process...
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7076958 |
Magnetic material
The magnetic material for magnetic refrigeration of the present invention is characterized by exhibiting, in a certain temperature region, preferably, only in part of a temperature region from 200...
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7076959 |
Enhanced magnetocaloric effect material
A magnetocaloric effect heterostructure having a core layer of a magnetostructural material with a giant magnetocaloric effect having a magnetic transition temperature equal to or greater than 150...
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7074343 |
1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone refrigerant compositions comprising a hydrocarbon and uses thereof
Disclosed herein are refrigerant and heat transfer fluid compositions comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone
and at least one hydrocarbon. These compositions are...
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7069729 |
Material for magnetic refrigeration preparation and application
A material that can be used for magnetic refrigeration, wherein the material substantially has the general formula (A Y B 1−y ) 2+δ C 1−x D x ) wherein A is selected from Mn and Co; B is...
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7052626 |
Fluid compositions containing refrigeration oils and chlorine-free fluorocarbon refrigerants
A fluid composition for a refrigerator, which comprises a chlorine-free fluorocarbon refrigerant and a refrigerator oil, said refrigerator oil consisting essentially of a tetraester of...
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7021069 |
Multiple refrigerating device
A multi-type refrigerator is capable of achieving a high coefficient of performance (COP) while using R32 as refrigerant and that takes account of energy saving and global warming. Refrigerating...
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7022253 |
Compositions comprising 1,1,1,3,3-pentafluorobutane and use of these compositions
Compositions comprising 1,1,1,3,3-pentafluorobutane and more than 5% by weight of at least one non-flammable fluoro compound, and use thereof.
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6998065 |
Fluid compositions containing refrigerator oils and chlorine-free fluorocarbon refrigerants
A refrigerator oil for use in compressors using therein a hydrogen-containing halogenocarbon as a refrigerant, consisting essentially of as a base oil at least one kind of an ester selected from...
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6991743 |
Refrigerant for centrifugal compressors
A refrigerant comprising:
a hydrofluorocarbon component comprising a mixture of: R134a, R227ea and optionally R125, and not more than 6.5% of a hydrocarbon component; wherein the amount of...
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6962059 |
Refrigerating cycle device
To prevent heat transfer inhibition and an increase in pressure loss due to refrigerating machine oil discharged into a cycle, and to provide a compact and highly efficient refrigerating cycle...
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6958126 |
Non-flammable, non-ozone depleting refrigerant mixtures suitable for use in mineral oil (GHGX9)
The present invention relates to refrigerants generally, and more specifically to nonflammable, nonozone depleting, mixtures of refrigerants that may be substituted for HCFC-22, R-407C, R-417A,...
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6955769 |
Compositions of pentafluoropropane
Provided are compositions comprising HFC-245fa and trans-1,2-dichloroethylene which exhibit relatively high solubility with conventional hydrocarbon lubricants, non-flammability, and relatively...
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6951115 |
Refrigerant composition and refrigerating circuit using the same
The development of an alternate refrigerant composition which is free from a possibility of causing depletion of the ozone layer and capable of maintaining the performance of a conventional...
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6942820 |
Dimethylpolysiloxane composition
A dimethylpolysiloxane composition comprising at least two dimethylpolysiloxanes selected from dimethylpolysiloxanes represented by formula (1) or formula (2),
wherein m is an integer with...
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6921779 |
Blowing agent enhancers for polyurethane foam production
Rigid polyurethane blowing agent enhancers, methods for using them, and the products produced by these methods are disclosed. The enhancers are low molecular weight alcohols and/or ethers that...
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6913707 |
Biodegradable functional fluid for mechanic drives
The invention relates to a water-based biodegradable and non-toxic functional fluid for mechanical drives, preferably for use in steam engines. The object of providing such functional fluids for...
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6905630 |
Compositions of a hydrofluoroether and a hydrofluorocarbon
This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether...
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6902686 |
Hydrocarbon composition, and refrigerant and detergent consisting thereof
A hydrocarbon composition prepared by combining methane, ethane, isopentane, normal pentane, hexane and heptane at an appropriate compounding ratio contains 75% or more by volume of propane,...
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6903063 |
Azeotrope-like composition of 1-chloro-1,3,3,3-tetrafluoropropane and hydrogen fluoride
The invention relates to azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa) and hydrogen fluoride, which are useful as intermediates in the production of...
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6881354 |
Multicomponent refrigerant fluids for low and cryogenic temperatures
Multicomponent refrigerant fluids for generating refrigeration, especially over a wide temperature range including cryogenic temperatures, which are advantageous over conventional refrigerant...
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6875370 |
Drop-in Substitutes for dichlorodifluoromethane refrigerant
A group of known refrigerants, (R-227ea, R-124, R-134a, R-143a, R-125, R-E125, R-E143a, R-E227ca2, R-254cb, R-600a, R-142b, R-22, R-290, R-E170, R-1270, R-1216, R-218, R-C318, R-C270), that may be...
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6863840 |
Nonflammable, nonozone depleting, refrigerant mixtures suitable for use in mineral oil
The present invention relates to refrigerants generally, and more specifically to nonflammable, nonozone depleting, mixtures of refrigerants that may be substituted for HCFC-22, R-407C, R-417A,...
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6858571 |
Pentafluoropropene-based compositions
Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene (“HFO-1243zf”), 1,1-difluoroethane...
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6846792 |
Hydrofluorocarbon compositions
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and...
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