Vaporization, Or Expansion, Refrigeration Or Heat Or Energy Exchange Patents (Class 252/67)
With lubricants, or warning, stabilizing or anti-corrosion agents or persistent gases (Class 252/68)
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Publication number: 20120305480Abstract: The invention provides a heat transfer composition consisting essentially of from about 62 to about 78% by weight trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and from about 22 to about 38% by weight of 1,1-difluoroethane (R-152a). The invention also provides a heat transfer composition comprising from about 20 to about 40% by weight R-152a, from about 5 to about 55% R-134a, and from about 5 to about 75% by weight R-1234ze(E).Type: ApplicationFiled: February 14, 2011Publication date: December 6, 2012Applicant: Mexichem Amanco Holdings S.A de C.V.Inventor: Robert E. Low
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Patent number: 8323524Abstract: An apparatus is provided that includes a device and a mechanism for heat transfer that includes a provided hydrofluoroether having high temperature stability. Also provided is a method of transferring heat and a composition that includes a provided hydrofluoroether.Type: GrantFiled: October 1, 2009Date of Patent: December 4, 2012Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Michael G. Costello, Michael J. Bulinski
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Patent number: 8324140Abstract: The invention relates to a refrigerator oil composition for compression refrigerators with carbon dioxide refrigerant therein, such as car air conditioners, refrigerators, freezers, air conditioners, heat pumps, etc. The base oil of the composition comprises an oxygen-containing organic compound as the essential component and has a kinematic viscosity at 100° C. of from 5 to 50 mm2/sec, a viscosity index of at least 60, and a water content of at most 300 ppm.Type: GrantFiled: January 25, 2006Date of Patent: December 4, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventor: Toshinori Tazaki
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Publication number: 20120298909Abstract: The invention provides a heat transfer composition comprising (i) from about 45 to about 75% by weight 2,3,3,3-tetrafluoropropene (R-1234yf); and (ii) from about 25 to about 55% by weight 1,1,1,2-tetrafluoroethane (R-134a). A heat transfer composition comprising, optionally consisting essentially of, (i) from about 20 to about 90% by weight R-1234yf; (ii) from about 10 to about 60% by weight R-134a; and (iii) from about 1 to about 20% by weight R-32 is also provided.Type: ApplicationFiled: April 16, 2010Publication date: November 29, 2012Applicant: MEXICHEM AMANCO HOLDING S.A. de C.V.Inventor: Robert E. Low
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Patent number: 8318038Abstract: The invention relates to non-flammable compositions comprising fluorinated compounds selected from the group consisting of hydrofluoroalkanes, hydrofluoroalkenes, partially or perfluorinated aromatic compounds, hydrofluoroethers or fluoroketones, 1,2-dichloroethylene, especially trans-1,2-dichloroethylene, and a stabilizer. These non-flammable compositions which preferably contain 1,1,1,3,3-pentafluorobutane, can be used especially as solvents for cleaning and defluxing electronic components and for degreasing metals. The compositions further may comprise a propellant, e.g. 1,1,1,2-tetrafluoroethane. These compositions are especially suitable as flushing agent.Type: GrantFiled: February 4, 2008Date of Patent: November 27, 2012Assignee: SOLVAY FLUOR GmbHInventors: Michael Marhold, Helge Rau, Karsten Börner, Christoph Meurer
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Patent number: 8318039Abstract: The present invention provides a non-flammable refrigerant, which is excellent in handleability while retaining the refrigerating capacity. Specifically, the present invention relates to a refrigerant composition comprising 36 to 50 mass % of 1,1,1,2-tetrafluoroethane (HFC134a) and 50 to 64 mass % of 2,3,3,3-tetrafluoropropene (HFO1234yf).Type: GrantFiled: June 30, 2009Date of Patent: November 27, 2012Assignee: Daikin Industries, Ltd.Inventors: Takashi Shibanuma, Tatsumi Tsuchiya
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Publication number: 20120286192Abstract: 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.Type: ApplicationFiled: May 12, 2011Publication date: November 15, 2012Inventor: John G. Owens
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Publication number: 20120286193Abstract: 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.Type: ApplicationFiled: May 12, 2011Publication date: November 15, 2012Inventor: RICHARD H. MARUYA
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Publication number: 20120280430Abstract: Toolings containing a composite having a coefficient of thermal expansion of less than about 5 ppm/° C. are described. The composites contain a matrix material and a carbon nanotube material and are operable for forming a part thereon. Methods for forming such toolings and use of such toolings to form parts thereon are also described. The carbon nanotube material can be a carbon nanotube-infused fiber material. Use of the carbon nanotube material in the tooling allows decreased curing and consolidation process times of the part to be realized.Type: ApplicationFiled: May 5, 2011Publication date: November 8, 2012Applicant: Applied Nanostructured Solutions, LLCInventor: Melissa L. Jones
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Publication number: 20120267564Abstract: 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.Type: ApplicationFiled: December 21, 2010Publication date: October 25, 2012Applicant: EI DU PONT DE NEMOURS AND COMPANYInventors: Thomas Joseph Leck, Barbara Haviland Minor
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Patent number: 8293130Abstract: Disclosed is a refrigerator oil composition containing a base oil (A) composed of a polyvinyl ether, an organic sulfur compound (B) having a sulfur content of not more than 35% by mass and a refrigerant (C), in which a total sulfur content is 0.01 to 0.1% by mass with respect to a total amount of the components (A) and (B). Such the novel refrigerator oil composition does not cause environmental problems such as ozone layer destruction and global warming, and can retain the lubrication properties for a long period of time, while preventing a capillary in a refrigeration cycle from clogging.Type: GrantFiled: September 12, 2005Date of Patent: October 23, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventor: Masato Kaneko
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Publication number: 20120255316Abstract: The invention relates to a method for cooling or heating a fluid or a body by means of a vapour compression circuit containing a heat transfer fluid, said circuit being at least partially contained in an enclosure, and the relative humidity of the air in the enclosure being less than or equal to a threshold value H1 which is less than 50%, the flammability of the heat transfer fluid at relative humidity H1 being less than the flammability of the heat transfer fluid at 50% relative humidity. The invention also relates to a cooling or heating installation suited to the implementation of this method. The invention also relates to a method of protection against the risks of fire or explosion in an enclosure containing at least partially a vapour compression circuit containing a heat transfer fluid, as well as a method for reducing the GWP of a transfer fluid. The invention also relates to heat transfer fluids suited to the implementation of the above methods.Type: ApplicationFiled: December 16, 2010Publication date: October 11, 2012Applicant: ARKEMA FRANCEInventors: David Andre, Beatrice Boussand, Wissam Rached
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Publication number: 20120251521Abstract: The present invention is a solution or colloid of fullerene, SWNTs, or graphene in cyclic terpenes, lactones, terpene-alcohol, fatty-acid alcohols, and lactones following ultrasonication and ultracentrifugation processing, for oil-energy, biological, electrical-thermal applications. The compositions are useful as fuel/oil/grease/gels (synthetic included), oil/fuel/additives/propellants, identification dyes, and heat-transfer fluids. Other functions are phase-change fluids for solar energy power plants, antifreeze, electronic dyes, electrolytic fluid/solvent, electrically-thermally conductive material for electrochemical, dielectric, filler/adhesive for semiconductor, eletro-optical, and liquid crystal substrates/coatings for touch sensitive transmissive or reflective displays. When combined with gelatin the formulations can function as dichroic-optical coatings for thin-films/waveguides/holograms.Type: ApplicationFiled: April 2, 2011Publication date: October 4, 2012Inventors: Bertha Rostro, Mehdie Kohanloo
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Publication number: 20120241665Abstract: 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).Type: ApplicationFiled: January 27, 2011Publication date: September 27, 2012Inventors: Takashi Shibanuma, Yasufu Yamada
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Patent number: 8262924Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, n-pentane, 2-methylbutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, n-butane or isobutane. 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.Type: GrantFiled: May 20, 2011Date of Patent: September 11, 2012Assignee: E I du Pont de Nemours and CompanyInventor: Mark L. Robin
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Patent number: 8252198Abstract: 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 from 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.Type: GrantFiled: November 14, 2011Date of Patent: August 28, 2012Assignee: Arkema FranceInventor: Wissam Rached
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Patent number: 8245512Abstract: Use of working fluids for energy conversion in a thermal Organic Rankine Cycle (ORC) process for combined generation of electrical and heat energy. The heat source used in the ORC process is in particular thermal water. The working fluids used in the ORC process are partially or perfluorinated hydrocarbons and/or partially or perfluorinated polyethers and/or partially or perfluorinated ketones. In some embodiments, the working fluid used is a combination of 1,1,1,3,3-pentafluorobutane and a fluorinated polyether having a molecular weight of 340 and a boiling point of 57° C. at 101.3 kPa, or a combination of 1,1,1,3,3-pentafluorobutane and at least one partially or perfluorinated ketone.Type: GrantFiled: March 11, 2011Date of Patent: August 21, 2012Assignee: SOLVAY FLUOR GmbHInventors: Martin Schwiegel, Felix Flohr, Christoph Meurer
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Patent number: 8246850Abstract: 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.Type: GrantFiled: November 14, 2011Date of Patent: August 21, 2012Assignee: Arkema FranceInventor: Wissam Rached
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Patent number: 8246851Abstract: Disclosed is a nonflammable refrigerant composition consisting of pentafluoroethane in an amount from 62% to 67% based on the weight of the composition, a second component that is selected from 1,1,1,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane, and mixtures thereof in an amount from 26% to 36% by weight; and an ethylenically unsaturated or saturated hydrocarbon compound that is at least 70% isobutane in an amount of from 1% to 4% by weight and up to 5% by weight based on the weight of the composition of another fluorohydrocarbon. The composition optionally may further include at least one additive, lubricant or combination thereof.Type: GrantFiled: June 25, 2010Date of Patent: August 21, 2012Inventors: Neil André Roberts, Owen Ross Chambers
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Publication number: 20120205574Abstract: The present invention relates to azeotrope and azeotrope-like compositions comprised of 2,3,3,3-tetrafluoropropene (HFO-1234yf) and ammonia, and uses thereof.Type: ApplicationFiled: July 8, 2011Publication date: August 16, 2012Applicant: ARKEMA FRANCEInventors: Wissam Rached, Jean-Christophe Boutier
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Publication number: 20120201806Abstract: Disclosed are compositions-of-matter composed of a continuous elastomeric matrix and a liquid; the matrix entrapping the liquid therein in the form of closed-cell droplets dispersed throughout the matrix. The disclosed compositions-of-matter are characterized by a low tensile/compressive modulus and are capable of retaining the liquid for exceedingly long periods of time. Further disclosed are processes for forming the compositions-of-matter and uses thereof.Type: ApplicationFiled: February 9, 2012Publication date: August 9, 2012Applicant: Technion Research & Development Foundation Ltd.Inventors: Michael S. Silverstein, Inna Gurevitch
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Patent number: 8236193Abstract: A working medium for heat cycle has less impact on the environment and is excellent in heat cycle characteristics for a Rankine cycle system, a heat pump cycle system, and a refrigerating cycle system. The working medium has the formula CnF2n+1—CmH2m+1, wherein n is an integer of from 2 to 8, an m is an integer of from 0 to 3.Type: GrantFiled: August 13, 2009Date of Patent: August 7, 2012Assignee: Asahi Glass Company, LimitedInventor: Masato Fukushima
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Patent number: 8236194Abstract: Provided herein are compositions comprising at least one estolide compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided are uses of the compositions described herein.Type: GrantFiled: February 24, 2012Date of Patent: August 7, 2012Assignee: LubriGreen Biosynthetics, LLCInventors: Jakob Bredsguard, Jeremy Forest, Travis Thompson
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Patent number: 8232235Abstract: Compositions are provided that include blends that consist essentially of 1,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-(trifluoromethyl)pentane, trans-1,2-dichloroethylene, and a third component. The third component is selected from methanol, ethanol, isopropanol, t-butanol, and 1-propanol. The blends form ternary azeotropes. Provided compositions can be useful for cleaning electronic parts, as coating solvent components, as heat transfer fluids, and as lubricants.Type: GrantFiled: September 11, 2009Date of Patent: July 31, 2012Assignee: 3M Innovative Properties CompanyInventor: John G. Owens
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Publication number: 20120190902Abstract: Compositions including chlorinated propenes and a phenolic antioxidant are described herein.Type: ApplicationFiled: January 26, 2011Publication date: July 26, 2012Inventor: Janice M. Nyberg
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Publication number: 20120189839Abstract: A method of manufacturing a metal composite material includes applying a mechanical impact force to a carbon material and a metal powder at such an intensity as capable of pulverizing the carbon material, thereby adhering the carbon material to a surface of the metal powder.Type: ApplicationFiled: December 9, 2011Publication date: July 26, 2012Applicants: Nagano Prefecture, Shinko Electric Industries Co., Ltd.Inventors: Syuzo AOKI, Takuya Oda, Takuya Kurosawa, Shoji Koizumi, Hidekazu Takizawa, Yutaka Komatsu, Shinichi Anzawa
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Patent number: 8221910Abstract: In accordance with one aspect, a thermally regulating construction material comprises a base material and a polymeric phase change material bound to the base material, wherein the base material provides reversible temperature regulation properties to the building construction material. In accordance with another aspect, an insulation material for use in building construction comprises a base material and a polymeric phase change material bound to the base material, wherein the base material provides reversible temperature regulation properties to the insulation material. The base material may be selected from the group consisting of foam insulation, loose fill insulation, and batted insulation.Type: GrantFiled: April 16, 2010Date of Patent: July 17, 2012Assignee: Outlast Technologies, LLCInventors: Mark Hartmann, Greg Roda, Aharon Eyal
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Patent number: 8222195Abstract: 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.Type: GrantFiled: September 20, 2011Date of Patent: July 17, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Publication number: 20120168663Abstract: 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 transfer fluid comprise from about 30 to about 70 percent, on a molar basis, of carbon dioxide (CO2) and from about 30 to about 70 percent, on a molar basis, of hydrofluorocarbon (HFC), preferably HFC having one to two carbon atoms, and even more preferably trans-1,1,1,3-tetrafluoropropene (HFC-32). The preferred fluids of the present invention have a vapor pressure of at least about 100 psia at 40?F and are also preferably not azeotropic.Type: ApplicationFiled: June 15, 2010Publication date: July 5, 2012Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Rajiv R. Singh, Michael Van Der Puy, Andrew J. Poss, Ian R. Shankland
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Publication number: 20120167599Abstract: Disclosed herein is an air conditioning or refrigeration apparatus, and in particular, a chiller apparatus containing a composition comprising 1,1,1,4,4,4-hexafluoro-2-butene and 1,2-dichloroethylene, wherein the 1,1,1,4,4,4-hexafluoro-2-butene is cis isomer or primarily cis isomer and wherein the 1,2-dichloroethylene is trans isomer or primarily trans isomer. These chillers may be flooded evaporators or direct expansion evaporators, which utilize centrifugal compressors. Also disclosed herein are methods for producing cooling comprising evaporating a composition comprising cis-1,1,1,4,4,4-hexafluoro-2-butene and trans-1,2-dichloroethylene in the vicinity of a body to be cooled. Also disclosed herein are compositions comprising cis-1,1,1,4,4,4-hexafluoro-2-butene and trans-1,2-dichloroethylene, wherein the cis-1,1,1,4,4,4-hexafluoro-2-butene is present at 50 to about 60 weight percent.Type: ApplicationFiled: September 15, 2010Publication date: July 5, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: Konstantinos Kontomaris
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Publication number: 20120168672Abstract: Compositions comprising CF3CClFCH2OH, CF3CClFCH2OZnCl, and CF3CClFCH2OC(?O)CH3 are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf may comprise at least one additional compound selected from the group consisting of CFC-114a, HCFC-124, HFC-143a, CFO-1113, HFO-1123, HFO-1132a, tetrafluoroethene, HCFO-1122, 3,4,4,4-tetrafluoro-2-butanone, acetyl fluoride, 2-chloro-2,3,3,3-tetrafluoropropanol, 2-chloro-2,3,3,3-tetrafluoropropyl acetate, Zinc (2-chloro-2,3,3,3-tetrafluoropropoxy)chloride, 2-chloro-2,3,3,3-tetrafluoropropoxy methyl acetate, 1,3-bistrifluoromethyl-1,3-difluorocyclobutane, 2,3,3,3-tetrafluoropropyl acetate, dimethylformamide, pyridine, ethyl acetate, acetic acid, diethyl ether, acetic anhydride, methyl acetate, dimethylacetamide, methanol, ethanol, methyl formate, pyrazine, pyrimidine, N-methylpyrrolidine, N-methylpiperidine, hexamethylphosphoramide, tetrahydrofuran, 1,4-dioxane, N-methylpyrrolidinone, dimethyl sulfoxide, acetonitrile, benzonitrile, and mixtures thereof.Type: ApplicationFiled: February 27, 2012Publication date: July 5, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Mario Joseph Nappa, Xuehui Sun
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Patent number: 8211326Abstract: The invention relates to a material that can be used for magnetic refrigeration, wherein the material substantially has the general formula (AYB1-Y)2+?CWDXEZ Wherein: A is selected from Mn and Co; B is selected from Fe and Cr; of C, D and E at least two are different, have a non-vanishing concentration and are selected from P, B, Se, Ge, Ga, Si, Sn and Sb; wherein at least one of C, D and E is Ge or Si; W, X, Y and Zeach is a number in the range 0-1, and W+X+Z=1; and?is a number from (?0.1)-(+0.1).Type: GrantFiled: January 29, 2003Date of Patent: July 3, 2012Assignees: Stichting voor de Technische Wetenschappen Utrecht, Universiteit van Amsterdam, Faculteit der Natuuwetenschappen, Wiskunde en Informatica, AmsterdamInventors: Ekkehard Hubertus Brück, Ojiyed Tegusi, Frank Roelof De Boer
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Publication number: 20120164506Abstract: Provided is a heat transfer fluid formulation comprising at least one diester or triester species having ester links on adjacent carbons. The formulation exhibits an excellent balance of dielectric and heat transfer properties, and is useful as a coolant for electric vehicles.Type: ApplicationFiled: December 23, 2010Publication date: June 28, 2012Applicant: Chevron U.S.A. Inc.Inventors: Sandra G. Claeys, Serge S. Lievens, Paul Van De Ven, Zhen Zhou, Stephen J. Miller, Ryan J. Schexnaydre, Saleh Elomari
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Publication number: 20120161063Abstract: 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.Type: ApplicationFiled: September 8, 2010Publication date: June 28, 2012Applicant: HONEYWELL INTERNATIONAL INC.Inventor: Rajiv R. Singh
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Publication number: 20120159982Abstract: 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 10 and 90 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 80 wt. % of HFC-134a and between 5 and 10 wt. % of HFC-32.Type: ApplicationFiled: August 20, 2010Publication date: June 28, 2012Applicant: Arkema FranceInventor: Wissam Rached
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Publication number: 20120161064Abstract: The invention relates to a heat transfer method using ternary composition containing 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane and difluoromethane, as a heat transfer fluid in refrigeration systems, to replace the R-410A mixtureType: ApplicationFiled: August 17, 2010Publication date: June 28, 2012Applicant: Arkema FranceInventor: Wissam Rached
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Publication number: 20120159976Abstract: Disclosed herein is a chiller apparatus containing refrigerant characterized by said refrigerant being HFO-1336mzz that is trans isomer or primarily trans isomer. These chillers may be flooded evaporators or direct expansion evaporators, which utilize either centrifugal or screw compressors. Also disclosed herein are methods for producing cooling comprising evaporating trans-HFO-1336mzz in an evaporator in the vicinity of a body to be cooled, thereby producing cooling. Also disclosed herein is a method for replacing HFC-236fa or CFC-114 refrigerant in a chiller apparatus, said method comprising providing HFO-1336mzz to said chiller apparatus in place of the replaced refrigerant; wherein said HFO-1336mzz is trans isomer or primarily trans isomer.Type: ApplicationFiled: September 15, 2010Publication date: June 28, 2012Applicant: E.I. DuPont De Nemours and CompanyInventor: Konstantinos Kontomaris
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Patent number: 8206608Abstract: The present invention provides a highly thermal conductive compound which has a high thermal conductivity, has a high consistency and a good coating workableness, and is excellent in thermal stability at a high temperature. A highly thermal conductive compound containing (A) 85 to 97% by mass of an inorganic powder filler, (B) 2 to 15% by mass of a base oil, and (C) 0.001 to 10% by mass of a compound represented by Y—(—R2—COO—)n—R1—X (wherein R1 and R2 each is a bivalent hydrocarbon group having a linear or branched chain having 1 to 36 carbon atoms, n is 1 to 15, X and Y each is at least one substituent selected from the group consisting of a carboxyl group and a hydroxyl group or a hydrogen atom, and at least one of X and Y is a carboxyl group or a hydroxyl group.Type: GrantFiled: April 7, 2008Date of Patent: June 26, 2012Assignee: Cosmo Oil Lubricants Co., Ltd.Inventor: Koji Hiratsuka
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Patent number: 8206607Abstract: A method for cooling an internal combustion engine using a reduced toxicity, ethylene glycol and water based heat transfer fluid is provided. A heat transfer fluid is formulated comprising water and a glycol component consisting of ethylene glycol and either propylene glycol or glycerol. Propylene glycol may be provided in an amount between 5% to less than 30% of the total weight of the glycol component. Glycerol may be provided in an amount between 5% to 20% of the total weight of the glycol component. The glycol component is less toxic than 10,000 mg/kg on an acute LD50(rat) oral toxicity basis. The water comprises between 40% and 70% by weight of the total weight of the heat transfer fluid. The cooling system of the internal combustion engine is substantially filled with the heat transfer fluid such that the heat transfer fluid absorbs heat that is produced by the internal combustion engine and releases the absorbed heat to the atmosphere.Type: GrantFiled: June 29, 2007Date of Patent: June 26, 2012Assignee: Evans Cooling Systems, Inc.Inventors: John W. Evans, J. Thomas Light
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Publication number: 20120157551Abstract: The present invention relates to the use of branched addition copolymers possessing melt or solution viscosities lower than the linear polymer analogues of equivalent or greater weight average molecular weight, compositions comprising said copolymers, methods for their preparation, and he use of novel polymers per se in for example but not limited to solution formulations or melt formulations.Type: ApplicationFiled: September 8, 2010Publication date: June 21, 2012Applicant: UNILEVER PLCInventors: Paul Hugh Findlay, Brodyck James Lachlan Royles, Roselyne Marie Andree Baudry, Neil John Simpson, Sharon Todd, Steven Paul Rannard
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Publication number: 20120151959Abstract: The invention relates to binary compositions of 2,3,3,3-tetrafluoropropene and difluoromethane, and especially to the uses thereof as a heat transfer fluid in compression systems with exchangers operating in counterflow mode or in split flow mode with counterflow tendency. The invention also relates to a heat transfer method.Type: ApplicationFiled: August 17, 2010Publication date: June 21, 2012Applicant: Arkema FranceInventor: Wissam Rached
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Publication number: 20120153213Abstract: 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.Type: ApplicationFiled: August 20, 2010Publication date: June 21, 2012Applicant: Arkema FranceInventor: Wissam Rached
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Publication number: 20120138275Abstract: A foam composition comprising, A) a cellulose foam matrix, and B) particles of encapsulated organic phase change material which are distributed within the cellulose foam matrix. The invention also relates to a method for making the foam composition and also their use in thermal storage applications, such as air-conditioning units.Type: ApplicationFiled: June 15, 2010Publication date: June 7, 2012Applicant: BASF SEInventors: Ian Stuart Biggin, Martin Peter Butters, Anne Frances Hooley
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Publication number: 20120138847Abstract: The present invention relates to azeotrope and azeotrope-like compositions comprised of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) and 1,1,1,2,3-pentafluoropropane (HFC-245eb), and uses thereof.Type: ApplicationFiled: August 11, 2010Publication date: June 7, 2012Applicant: Arkema, Inc.Inventors: Brett L. Van Horn, Philippe Bonnet, Laurent Abbas
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Publication number: 20120138841Abstract: Disclosed are azeotropic and azeotrope-like mixtures of (Z)-1-chloro-3,3,3-trifluoropropene (1233zd(Z)) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of 1233zd(Z). The latter compound is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent, aerosol propellant, heat transfer medium, dielectric, fire extinguishing composition and power cycle working fluid.Type: ApplicationFiled: October 5, 2011Publication date: June 7, 2012Inventors: Ryan Hulse, Hang T. Pham
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Publication number: 20120138846Abstract: Provided are azeotrope or azeotrope-like compositions comprised of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) and 1,1-dichloro-2,2,2-trans-trifluoroethane (HCFC-123).Type: ApplicationFiled: August 13, 2009Publication date: June 7, 2012Applicant: Arkema Inc.Inventors: Brett L. Van Horn, Philippe Bonnet, Benjamin bin Chen
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Patent number: 8193129Abstract: The present invention provides a refrigerating machine oil, a compressor oil composition, a hydraulic oil composition, a metalworking oil composition, a heat treating oil composition, a lubricating oil composition for machine tools and a lubricating oil composition which comprise a lubricating oil base oil having % CA of not more than 2, % CP/% CN of not less than 6 and an iodine value of not more than 2.5.Type: GrantFiled: July 3, 2007Date of Patent: June 5, 2012Assignee: Nippon Oil CorporationInventors: Kazuo Tagawa, Yuji Shimomura, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto, Eiji Akiyama, Junichi Shibata, Satoshi Suda, Hideo Yokota, Masahiro Hata, Hiroyuki Hoshino, Hajime Nakao, Shozaburo Konishi
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Patent number: 8193393Abstract: Fluoroether diketones are provided that can be useful in apparatuses that includes a device and a mechanism for transferring heat. The provided fluoroether diketones are stable at temperatures above 175° C., are environmentally friendly, and are economical to produce. The provided apparatuses can be useful for vapor phase soldering of electronic devices.Type: GrantFiled: March 26, 2010Date of Patent: June 5, 2012Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Michael G. Costello, Michael J. Bulinski, Daniel R. Vitcak, Phillip E. Tuma
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Patent number: 8188323Abstract: The present invention relates to compositions and processes of using perfluoropolyether to maintain or improve the oil return, lubrication, cooling capacity or energy efficiency of the refrigeration, air conditioning and heat transfer system.Type: GrantFiled: July 11, 2007Date of Patent: May 29, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Thomas J. Leck, Thomas Frank Saturno, Gregory A. Bell
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Publication number: 20120126187Abstract: The invention provides a heat transfer composition comprising: (i) 1,3,3,3-tetrafluoroprop-1-ene (R1234ze, CF3CH?CHF) (ii) a second component comprising R-1243zf, (3,3,3 trifluoropropene) or a difluoropropene (R-1252) selected from R-1252zf, R-1252yf, R-1252ye R-1252ze and R-1252zc, and mixtures thereof; and (iii) a third component selected from R32 (difluoromethane), R744 (CO2), R41 (fluoromethane), R1270 (propene), R290 (propane), R161 (fluoroethane) and mixtures thereof.Type: ApplicationFiled: April 16, 2010Publication date: May 24, 2012Applicant: MEXICHEM AMANCO HOLDING S.A. de C.V.Inventor: Robert E. Low