With Lubricants, Or Warning, Stabilizing Or Anti-corrosion Agents Or Persistent Gases Patents (Class 252/68)
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Patent number: 9816740Abstract: A refrigerant and oil treatment composition for introduction into a vapor-compression system such as a refrigerator, heat pump, freezer, air conditioner, thermal control device, and refrigerant recovery apparatus has a composition alcohol and a drying agent. The drying agent is 2,2-dimethoxypropane which can react with moisture in the system to form an alcohol as a reaction product. The alcohol reaction product along with the composition alcohol separates any acid in the system from oil, refrigerant and hard surfaces of the system to form an acid-containing solvent composition. The quantity of the composition introduced into the system is based on the adsorption capacity of the filter-drier.Type: GrantFiled: June 9, 2016Date of Patent: November 14, 2017Assignee: MAINSTREAM ENGINEERING CORPORATIONInventors: Ted J. Amundsen, Vincent J. Storhaug, Robert P. Scaringe
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Patent number: 9797273Abstract: Provided is a method for converting thermal energy into mechanical energy by use of an organic rankine cycle system that accommodates a working fluid composition. The method includes sequentially performing: evaporating the working fluid composition; expanding the working fluid composition; condensing the working fluid composition; and transferring the working fluid composition, while raising a pressure thereof, by a pump. The working fluid composition contains cis-1,3,3,3-tetrafluoropropene at a ratio higher than or equal to 92.0% by mass and lower than or equal to 99.9% by mass and trans-1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene at a ratio higher than or equal to 0.1% by mass and lower than or equal to 8.0% by mass; and has an evaporation temperature higher than or equal to 60° C. and lower than or equal to 150° C.Type: GrantFiled: November 28, 2014Date of Patent: October 24, 2017Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Yoshio Nishiguchi, Satoru Okamoto, Masatomi Kanai
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Patent number: 9790449Abstract: The present invention is able to provide a lubricating oil composition for compression refrigerating machine having excellent thermal/chemical stability even when used for a compression refrigerating machine using a saturated fluorinated hydrocarbon refrigerant having a low carbon number and a low global warming potential, by using a refrigerant containing a saturated fluorinated hydrocarbon having from 1 to 3 carbon atoms, which uses, as a base oil, an oxygen-containing organic compound composed of at least one member selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol and a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol monoether and a polyvinyl ether, and a polyol ester, each having a hydroxyl value of not more than 15 mgKOH/g.Type: GrantFiled: June 28, 2012Date of Patent: October 17, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Patent number: 9790412Abstract: To provide a working medium for heat cycle which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (the efficiency and the capacity), and a heat cycle system excellent in the cycle performance (the efficiency and the capacity). A working medium for heat cycle comprising 1,2-difluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).Type: GrantFiled: November 19, 2013Date of Patent: October 17, 2017Assignee: Asahi Glass Company, LimitedInventor: Masato Fukushima
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Patent number: 9732262Abstract: The invention relates to the use of a composition comprising 2,4,4,4-tetra-fluoro-but-1-ene and 1-methoxyheptafluoropropane as a heat transfer fluid. The invention also relates to associated units, methods and compositions.Type: GrantFiled: March 7, 2013Date of Patent: August 15, 2017Assignee: ARKEMA FRANCEInventor: Wissam Rached
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Patent number: 9725630Abstract: The present invention provides a working fluid composition for a refrigerating machine, comprising: a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane and pentaerythritol, a C6-C12 polybasic acid, and a C4-C18 monohydric alcohol or a C4-C18 monocarboxylic fatty acid, and (B) a polyol ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane, pentaerythritol and dipentaerythritol, and a C4-C18 monocarboxylic fatty acid, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; and a hydrocarbon refrigerant having 3 or 4 carbon atoms, wherein a refrigerant dissolved viscosity, at a temperature of 80° C. and an absolute pressure of 1.5 MPa, is 1.0 mm2/s or more.Type: GrantFiled: March 14, 2014Date of Patent: August 8, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Takeshi Okido, Souichirou Konno
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Patent number: 9725570Abstract: 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.Type: GrantFiled: August 12, 2014Date of Patent: August 8, 2017Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Rajat S. Basu, Kane D. Cook, Leslie Bement, Gary M. Knopeck, Rajiv R. Singh, Ryan Hulse, Hang T. Pham
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Patent number: 9719001Abstract: The present invention provides a working fluid composition for a refrigerating machine, comprising: a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane and pentaerythritol, a C6-C12 polybasic acid, and a C4-C18 monohydric alcohol or a C4-C18 monocarboxylic fatty acid, and (B) a polyol ester obtainable by synthesis of from at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane, pentaerythritol and dipentaerythritol, and a C4-C18 monocarboxylic fatty acid, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; and tetrafluoropropene as a refrigerant, wherein a refrigerant dissolved viscosity, at a temperature of 80° C. and an absolute pressure of 1.6 MPa, is 1.5 mm2/s or more.Type: GrantFiled: March 14, 2014Date of Patent: August 1, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Takeshi Okido, Souichirou Konno
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Patent number: 9719044Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a hydrocarbon compound having a biphenyl structure or a stilbene structure. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.Type: GrantFiled: March 21, 2013Date of Patent: August 1, 2017Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoya Matsumoto, Tadashi Kisen
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Patent number: 9708537Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.Type: GrantFiled: April 4, 2014Date of Patent: July 18, 2017Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
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Patent number: 9683155Abstract: Compositions containing 2,3,3,3-tetrafluoropropene and 1,2-difluoroethylene, that can be used in multiple fields of application. The composition can include from 45 to 90 mol % of 2,3,3,3-tetrafluoropropene and from 55 to 10 mol % of, 1,2-difluoroethylene. The composition can include from 55 to 80 mol % of 2,3,3,3-tetrafluoropropene and from 45 to 20 mol % of 1,2-difluoroethylene. The composition can include from 62 to 69 mol % of 2,3,3,3-tetrafluoropropene and from 38 to 31 mol % of 1,2-difluoroethylene at a temperature of between ?30° C. and 56° C. and a pressure of between 1 and 15 bar.Type: GrantFiled: December 6, 2013Date of Patent: June 20, 2017Assignee: ARKEMA FRANCEInventors: Dominique Deur-Bert, Laurent Wendlinger
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Patent number: 9683158Abstract: High viscosity working fluids comprising a fluorinated olefin refrigerant, such as a hydrofluoro-olefin refrigerant, and a high viscosity polyol ester comprising a select mixture of alkylcarboxy esters of pentaerythritol, di-pentaerythritol, tri-pentaerythritol and pentaerythritol oligomers are provided.Type: GrantFiled: May 24, 2016Date of Patent: June 20, 2017Assignee: LANXESS SOLUTIONS US, INC.Inventors: Travis Benanti, Roberto Urrego, Edward T. Hessell
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Patent number: 9676983Abstract: The present invention provides a working fluid composition for a refrigerating machine, comprising: a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester and (B) a polyol ester, wherein (A) is obtainable by synthesis from a specific polyhydric alcohol, a polybasic acid having 6 to 12 carbon atoms, and a monohydric alcohol having 4 to 18 carbon atoms or a monocarboxylic acid having 4 to 18 carbon atoms, wherein (B) is obtainable by synthesis from a specific polyhydric alcohol and a monocarboxylic acid having 4 to 18 carbon atoms, and wherein a mass ratio of (A)/(B) is 5/95 to 95/5; and difluoromethane used as a refrigerant, and the working fluid composition having a refrigerant dissolved viscosity of 5.5 mm2/s or more, at a temperature of 80° C. and an absolute pressure of 2.1 MPa.Type: GrantFiled: November 28, 2013Date of Patent: June 13, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Masanori Saito, Takeshi Okido, Souichirou Konno, Kuniko Adegawa
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Patent number: 9587196Abstract: Disclosed is a working fluid composition for a refrigerating machine, comprising a refrigerating machine oil comprising an ester of a polyhydric alcohol and a fatty acid, a carbodiimide compound, and a phosphorous compound, and at least one refrigerant selected from 1, 1, 1,2-tetrafluoroethane and 2,3,3,3-tetrafluoropropene, the fatty acid comprises at least one selected from fatty acids having 4 to 9 carbon atoms, and the carbodiimide compound and the phosphorus compound satisfy the conditions represented by the formula (1): 0.11 ? ( N C M C · W C ) ( N P M P · W P ) ? 4.Type: GrantFiled: January 19, 2015Date of Patent: March 7, 2017Assignee: JX Nippon Oil & Energy CorporationInventors: Hitoshi Takahashi, Ken Sawada, Akira Tada, Souichirou Konno
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Patent number: 9556372Abstract: Refrigerant compositions are described, which can be used for example, in refrigeration, air conditioning, and/or heat pump systems which for example, can be incorporated into a heating, ventilation and air conditioning (HVAC) system or unit. The refrigerant composition includes an amount of a R125 refrigerant, an amount of a R32 refrigerant, and an amount of a R1234yf refrigerant, where the R32 refrigerant has higher flammability than the R125 refrigerant, and the R1234yf refrigerant has higher flammability than the R125 refrigerant.Type: GrantFiled: November 11, 2015Date of Patent: January 31, 2017Assignee: TRANE INTERNATIONAL INC.Inventors: Stephen A. Kujak, Kenneth J. Schultz
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Patent number: 9546337Abstract: The present invention provides a lubricating oil composition comprising a lubricating base oil, and at least one ester additive selected from a first ester that is a fatty acid 3,4-epoxycyclohexyl alkyl ester and a second ester that is a 3,4-epoxycyclohexyl carboxylic acid alkyl ester, wherein a content of the ester additive is 0.01 to 5.0% by mass based on the total mass of the lubricating oil composition.Type: GrantFiled: August 23, 2013Date of Patent: January 17, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Masanori Saito, Ken Sawada, Kuniko Adegawa
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Patent number: 9546334Abstract: Provided is a refrigerating machine oil which comprises an ester between a polyol consisting of at least one of pentaerythritol and dipentaerythritol represented by formula (I) and 2-propylheptanoic acid, and is characterized in that the refrigerating machine oil can be used in combination with a refrigerant consisting of 1,3,3,3-tetrafluoropropene (HFO-1234ze). When the refrigerating machine oil is used in combination with a refrigerant consisting of HFO-1234ze, excellent miscibility with the refrigerant, lubricity, thermal and chemical stability and the like can be achieved.Type: GrantFiled: July 31, 2014Date of Patent: January 17, 2017Assignee: KH NEOCHEM CO., LTD.Inventors: Junya Kishi, Yuichiro Nakai, Tomohiro Iwasa, Toshihiro Inayama
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Patent number: 9523058Abstract: The present invention provides a mixed ester of pentaerythritol or a mixed polyhydric alcohol and carboxylic acids; the mixed polyhydric alcohol consisting of pentaerythritol and dipentaerythritol represented by formula (I), and the carboxylic acids comprising 2-ethylhexanoic acid and 2-propylheptanoic acid. The mixed ester exhibits excellent properties (e.g., miscibility with a refrigerant that comprises fluoropropene, low-temperature fluidity, and lubricity) in a well-balanced manner while having the viscosity within the range required for a refrigerant oil, and may be used in an industrial lubricant (e.g., refrigerant oil) and the like.Type: GrantFiled: March 4, 2013Date of Patent: December 20, 2016Assignee: KH NEOCHEM CO., LTD.Inventors: Junya Kishi, Yuichiro Nakai, Shinji Tanaka, Toshihiro Inayama
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Patent number: 9523026Abstract: Disclosed is a combination of hydrofluoroolefins and/or hydrochlorofluoroolefins with stabilizers wherein the stabilizers minimize the degradation of the hydrofluoroolefins and hydrochlorofluoroolefins during storage, handling and use yet allow for atmospheric degradation. The combinations exhibit low or zero ozone depletion potential and lower global warming potential making them of interest as replacements for chlorofluorocarbons and hydrofluorocarbons. The combinations of the present invention comprise hydrofluoroolefins and/or hydrochlorofluoroolefins in combination with a stabilizer or stabilizers selected from free radical scavengers, acid scavengers, oxygen scavengers, polymerization inhibitors and combinations thereof.Type: GrantFiled: February 19, 2014Date of Patent: December 20, 2016Assignee: Arkema Inc.Inventors: Maher Y. Elsheikh, Benjamin Bin Chen, Brett L. Van Horn, Laurent Abbas, Sri Seshadri
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Patent number: 9518204Abstract: The present invention provides a highly stable HFO refrigerant composition for use in a vapor compression-type refrigeration system, having improved slidability for the sliding portions of the vapor compression-type refrigeration system. More specifically, the present invention provides an HFO refrigerant composition comprising at least one type of HFO refrigerant and a polymer of halogenated propene represented by C3HaFbClc (provided that a+b+c=6, a=an integer of 1 to 3, b=an integer of 3 to 5, and c=an integer of 0 to 1) that is an oligomer having a molecular weight of 200 to 900.Type: GrantFiled: February 2, 2015Date of Patent: December 13, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tatsumi Tsuchiya, Takashi Shibanuma
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Patent number: 9505967Abstract: Working fluids comprising a refrigerant blend comprising a fluorinated alkane and a fluorinated olefin refrigerant, and a polyol ester lubricant composition comprising a mixture of alkylcarboxy esters of mono-pentaerythritol, di-pentaerythritol, tri-pentaerythritol and pentaerythritol oligomers, wherein at least 10 wt % of all polyol esters are esters of pentaerythritol oligomers of 4 or more pentaerythritol monomer groups.Type: GrantFiled: July 10, 2015Date of Patent: November 29, 2016Assignee: Chemtura CorporationInventors: Travis Benanti, Edward T Hessell, Roberto Urrego
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Patent number: 9481820Abstract: The present invention provides methods for selecting refrigerant and lubricant combinations for use in heat transfer cycle systems and provides methods for operating said heat transfer systems. More particularly, the invention provides methods to select lubricant and refrigerant combinations for a heat transfer cycle system wherein at the lower temperatures of the heat transfer cycle the refrigerant and lubricant are miscible and at the upper temperatures of the heat transfer cycle the refrigerant and lubricant are phase separated and such that the density phase inversion temperature of the combination is below the upper operating temperature of the heat transfer cycle.Type: GrantFiled: December 20, 2010Date of Patent: November 1, 2016Assignee: Arkema Inc.Inventors: Brett L. Van Horn, Philippe Bonnet
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Patent number: 9394469Abstract: The present invention relates, in part, to heat transfer compositions, and associated systems and methods, which include a first composition selected from the group consisting of HFO-1233zd, HFC-245fa, and combinations of these; and optionally, a second composition selected from the group consisting of HFO-1234ze, HFC-134a, and combinations of these.Type: GrantFiled: February 28, 2014Date of Patent: July 19, 2016Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Samuel F. Yana Motta, Mark W. Spatz, Ankit Sethi
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Patent number: 9388105Abstract: A liquid phase hydrogenolysis of acetal compounds, such as cyclic acetals and cyclic ketals, is disclosed. The acetal compounds are fed to a reaction zone and reacted in the presence of a noble metal catalyst supported on a carbon or silica support to make hydroxy mono-ether compounds in high selectivity, without the necessity of using acidic co-catalysts such as phosphorus containing acids or stabilizers such as hydroquinone.Type: GrantFiled: June 24, 2011Date of Patent: July 12, 2016Assignee: Eastman Chemical CompanyInventors: Damon Ray Billodeaux, Thomas James Devon, Jonathan Michael Penney, Daniel Latham Terrill, Robert Thomas Hembre, Jerome Leonard Stavinoha, Jr.
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Patent number: 9347695Abstract: The present invention relates to refrigerant compositions containing trans-chloro-3,3,3-trifluoropropene (1233zd(E)) useful for chiller applications and processes using 1233zd(E).Type: GrantFiled: November 4, 2013Date of Patent: May 24, 2016Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Ryan Hulse, Rajiv R. Singh, Mark W. Spatz
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Patent number: 9328306Abstract: The present invention provides a mixed ester of pentaerythritol or a mixed polyhydric alcohol and carboxylic acids; the mixed polyhydric alcohol consisting of pentaerythritol and dipentaerythritol represented by formula (I), and the carboxylic acids comprising 3,5,5-trimethylhexanoic acid and 2-propylheptanoic acid. The mixed ester exhibits excellent properties (e.g., miscibility with a refrigerant that comprises fluoropropene, low-temperature properties, oxidation stability, oxidation-hydrolysis stability, and lubricity) in a well-balanced manner while having the viscosity within the range required for a refrigerant oil, and may be used in an industrial lubricant (e.g., refrigerant oil) and the like.Type: GrantFiled: January 31, 2013Date of Patent: May 3, 2016Assignee: KH NEOCHEM CO., LTD.Inventors: Junya Kishi, Yuichiro Nakai, Shinji Tanaka, Toshihiro Inayama
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Patent number: 9315709Abstract: 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 a refrigeration, air conditioning or heat transfer system.Type: GrantFiled: May 14, 2014Date of Patent: April 19, 2016Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Thomas Joseph Leck, Thomas Frank Saturno, Gregory A Bell
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Patent number: 9303900Abstract: The invention relates to heat transfer agents and heat transfer compositions containing hydrocarbon lubricating oils and halogenated alkene heat transfer fluid that promote oil flow and provide for improved oil return. The heat transfer compositions are useful in various heat transfer systems such as refrigeration, cooling, air conditioning, chiller operations.Type: GrantFiled: April 30, 2013Date of Patent: April 5, 2016Assignee: Arkema Inc.Inventors: Brett L. Van Horn, Philippe Bonnet, Benjamin Bin Chen, Maher Y. Elsheikh, Richard M. Crooker
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Patent number: 9267066Abstract: The invention relates to a composition comprising (E)-1,1,1,4,4,4-hexafluorobat-2-ene as a mixture with at least one hydrocarbon, hydrofinorocarbon or fluoroolefin compound having a boiling point less than or equal to ?12° C., and also to the use of this composition as a heat transfer fluid.Type: GrantFiled: November 8, 2011Date of Patent: February 23, 2016Assignee: ARKEMA FRANCEInventor: Wissam Rached
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Patent number: 9255219Abstract: Disclosed are working fluid compositions for heat transfer apparatuses, such as refrigeration systems, that include a refrigerant and an ester based lubricant. The working fluid may comprise ?50% by weight of the ester based lubricant composition and ?50% by weight of one or more refrigerant compounds. The ester based lubricant comprises an additive selected from the group consisting of: diaryl sulfides, arylalkyl sulfides, dialkyl sulfides, diaryl disulfides, arylalkyl disulfides, dialkyl disulfides, diaryl polysulfides, arylalkyl polysulfides, dialkyl polysulfides, dithiocarbamates, derivatives of 2-mercaptobenzothiazole, derivatives of 2,5-dimercapto-1,3,4-thiadiazole, and combinations thereof.Type: GrantFiled: March 15, 2013Date of Patent: February 9, 2016Assignee: Emerson Climate Technologies, Inc.Inventors: Louis Rebrovic, William Bradford Boggess
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Patent number: 9249348Abstract: Disclosed herein is heat transfer system, comprising a brazed aluminum component, and a heat transfer fluid in fluid communication with the brazed aluminum component, wherein the heat transfer fluid comprises a liquid coolant, an oxy-anion of molybdenum, tungsten, vanadium, phosphorus, antimony, or a combination thereof, and a corrosion inhibitor. Also disclosed is a method of preventing corrosion in the heat transfer system, and a heat transfer fluid and additive package for use in the heat transfer system.Type: GrantFiled: April 2, 2014Date of Patent: February 2, 2016Assignee: Prestone Products CorporationInventors: Bo Yang, Peter M. Woyciesjes, Aleksei V. Gershun, Filipe J. Marinho
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Patent number: 9243205Abstract: Disclosed is a refrigerator oil composition for use with carbon dioxide refrigerant, characterized in that the composition dissolves in an amount of at least 0.1% by mass in a supercritical carbon dioxide at a temperature of 100° C. under a pressure of 15 Mpa. The invention provides a refrigerator oil composition for carbon dioxide refrigerant which composition is employed in a refrigerating system operated in a supercritical state of carbon dioxide refrigerant and, particularly, such a composition which can enhance heat-exchange efficiency during passage of supercritical carbon dioxide through a heat exchanger as well as which has excellent durability and lubrication performance.Type: GrantFiled: June 23, 2011Date of Patent: January 26, 2016Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Masato Kaneko
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Patent number: 9234123Abstract: A composition of matter for the self-pressurized (aerosol) spraying of dusters and similar products. The composition includes a fluorinated propene-based propellant and fluorinated butene-based volatile solvent. The composition is totally non-flammable under all reasonably foreseeable conditions of use. The fluorinated propene-based propellant may include trans-1,3,3,3-tetrafluoroprop-1-ene, as typified by Honeywell Fluorine Products Division's SOLSTICE® HFO-1234ze(E) product. The fluorinated butene-based volatile solvent may include cis. (or cis./trans.) 1,1,1,4,4,4-hexafluoro-2-butene, as typified by the DuPont Fluorochemicals Division's FORMACEL® 1100 (HFO-1336mzz) product. The fluorinated propene-based propellant component may be present at about 60 to 95%. The fluorinated butene-based volatile solvent component may be present at about 5% to 40%, but preferably between about 20% to 25% and ideally at about the azeotropic concentration of about 22%.Type: GrantFiled: March 21, 2013Date of Patent: January 12, 2016Assignee: HSI Fire & Safety Group, LLCInventor: Montfort A. Johnsen
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Patent number: 9212303Abstract: It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential, and that is used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with a refrigerant and excellent thermal and chemical stability, in which the lubricating oil composition is used for a refrigerating machine using a refrigerant containing at least one fluorine-containing organic compound selected from compounds represented by the following molecular formula (A), or a combination of the fluorine-containing organic compound and a saturated fluorinated hydrocarbon compound, and contains a base oil and a sulfur-containing aromatic compound: CpOqFrRs (A), wherein R represents any one of Cl, Br, I and H; p represents an integer of from 1 to 6; q represents an integType: GrantFiled: March 24, 2011Date of Patent: December 15, 2015Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Patent number: 9206371Abstract: A bearing grease contains a base oil and a thickener. The base oil is a base oil mixture containing a polyalphaolefin and an ester. The bearing grease is used in an atmosphere of a fluorine compound refrigerant containing no hydrogen. A bearing using the bearing grease does not cause elution of grease for a long time. Further, since there is no need for a collecting system unlike lubricating oil, the arrangement around the bearing can be made compact. Thus, the bearing can be easily applied in a form of an energy recovery equipment to a vehicle or various industrial machineries.Type: GrantFiled: May 31, 2012Date of Patent: December 8, 2015Assignees: IDEMITSU KOSAN CO., LTD., IHI CorporationInventors: Yukitoshi Fujinami, Fumihiko Yokoyama
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Patent number: 9199911Abstract: Provided herein are estolide base oils and oligomeric compounds prepared from processes that include cross metathesis.Type: GrantFiled: September 13, 2013Date of Patent: December 1, 2015Assignee: Biosynthetic Technologies, LLCInventors: Travis Thompson, Kelly Parson, Jeremy Forest, Jakob Bredsguard
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Patent number: 9187682Abstract: The disclosed lubricant compositions comprise a mixture of from about 1-99% by weight of the mixture of one or more ester compounds and from about 1-99% by weight of the mixture one or more second ester compounds wherein R1, R2, R3, R4, R5, R6, R11, and R12 are each H or methyl; a+x, b+y. and c+z are integers of 1 to about 20, and m+n is an integer of 1 to about 10; and R7, R8, R9, R10 and R13 are straight-chain and branched, substituted or unsubstituted alkyl, alkenyl, cycloalkyl, aryl, alkylaryl, arylalkyl, alkylcycloalkyl, cycloalkylalkyl, arylcycloalkyl, cycloalkylaryl, alkylcycloalkylaryl, alkylarylcycloalkyl, arylcycloalkylalkyl, arylalkylcycloalkyl, cycloalkylalkylaryl, or cycloalkylarylalkyl groups having 1 to about 17 carbons. The lubricant composition may be combined with a refrigerant to form a refrigerant-lubricant composition that may be used as a working fluid in a heat transfer apparatus.Type: GrantFiled: June 19, 2012Date of Patent: November 17, 2015Assignee: Emerson Climate Technologies, Inc.Inventors: Louis Rebrovic, William Bradford Boggess
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Patent number: 9175201Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.Type: GrantFiled: March 13, 2012Date of Patent: November 3, 2015Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Rajiv R. Singh, Haridasan K. Nair, Raymond H. Thomas, Lawrence A. Ford, David P. Wilson
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Patent number: 9133381Abstract: 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.Type: GrantFiled: August 15, 2013Date of Patent: September 15, 2015Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Andrew Edward Feiring, Viacheslav A Petrov, Barbara Haviland Minor, Mario Joseph Nappa, Nandini C Mouli, Thomas Joseph Leck, Jon Lee Howell
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Patent number: 9115301Abstract: It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential by including in a base oil an organic compound having two or more non-conjugated double bonds in the molecule thereof, and that is particularly preferably used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with the refrigerant and excellent thermal and chemical stability.Type: GrantFiled: March 24, 2011Date of Patent: August 25, 2015Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Patent number: 9095737Abstract: Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO-HFO-1233, or HFO-1354, having properties highly beneficial in foaming and blowing agent applications, articles and methods.Type: GrantFiled: April 15, 2013Date of Patent: August 4, 2015Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Robert C. Johnson, Hsueh S. Tung, Rajiv R. Singh, Ian Shankland
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Patent number: 9090806Abstract: The working fluid composition for a refrigerating machine of this invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and an unsaturated fluorinated hydrocarbon refrigerant. The refrigerating machine oil of the invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, and at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and it is to be used together with an unsaturated fluorinated hydrocarbon refrigerant.Type: GrantFiled: August 16, 2010Date of Patent: July 28, 2015Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Katsuya Takigawa, Yuji Shimomura, Masanori Saito, Ken Sawada, Takeshi Okido
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Patent number: 9085721Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of (A) a compound of the formula CF3CX?CHRa where X is H or F and Ra is CF3CF2, CF3 or Cl, provided that (i) when X is F, Ra is Cl, (ii) when Ra is CF3CF2 or Cl, the compound of formula CF3CX?CHRa is the E configurational isomer, and (iii) when Ra is CF3, the compound of formula CF3CX?CHRa is the Z configurational isomer; and (B) a compound of the formula CF3Rb where Rb is CHFCH2F or CH?CHCF3, provided that when Rb is CH?CHCF3, X is F and the compound of formula CF3Rb is the Z configurational isomer. Also disclosed are processes for using such azeotropic or azeotrope-like compositions for preparing a thermoplastic or thermoset foam, for producing refrigeration, for producing an aerosol product and for extinguishing and suppressing a fire; and as blowing agents, solvents, heat transfer media and dielectrics.Type: GrantFiled: February 3, 2012Date of Patent: July 21, 2015Assignee: E I DU PONT DE NEMOURS AND COMPANYInventor: Mark L Robin
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Patent number: 9062237Abstract: A refrigerant composition consists essentially of three hydrofluorocarbon components selected from HFC134a, HFC125 and HFC143a and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof boiling in the range ?50° C. and +40° C.Type: GrantFiled: May 13, 2013Date of Patent: June 23, 2015Assignee: RPL Holdings LimitedInventors: John Edward Poole, Richard Powell
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Publication number: 20150147280Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1-C3 alcohol, a C5-C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.Type: ApplicationFiled: January 30, 2015Publication date: May 28, 2015Inventors: Rajat Basu, Leslie Bement, Kane Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams
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Patent number: 9039923Abstract: 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.Type: GrantFiled: February 14, 2012Date of Patent: May 26, 2015Assignee: United Technologies CorporationInventors: Ahmad M. Mahmoud, Jaeseon Lee, Dong Luo
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Publication number: 20150135745Abstract: 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.Type: ApplicationFiled: January 23, 2015Publication date: May 21, 2015Inventors: MARIO JOSEPH NAPPA, Barbara Haviland Minor, Allen Capron Sievert
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Publication number: 20150137025Abstract: The present invention relates to an ester for refrigerator oils having less remaining by-products in the ester and having high thermal stability, and a method for producing the ester for refrigerator oils. The ester for refrigerator oils is obtained by treating a crude ester product, which is obtained by reacting a neopentyl polyol having a carbon number of 5 to 10 with an aliphatic carboxylic acid having a carbon number of 4 to 12, with one or more kinds of salts selected from the group consisting of sulfite, bisulfite, and pyrosulfite.Type: ApplicationFiled: April 25, 2013Publication date: May 21, 2015Inventors: Akio Itoh, Takeshi Kajiki
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Patent number: 9028707Abstract: 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. Also disclosed are methods of replacing refrigerants in refrigeration or air conditioning systems containing a refrigerant comprising a CFC or HCFC and a lubricant.Type: GrantFiled: September 3, 2010Date of Patent: May 12, 2015Assignee: E I du Pont de Nemours and CompanyInventor: Barbara Haviland Minor
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Publication number: 20150121873Abstract: 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.Type: ApplicationFiled: January 14, 2015Publication date: May 7, 2015Inventors: BARBARA HAVILAND MINOR, ROBERT L. WATERLAND