Patents by Inventor Hiroaki Mitsuoka
Hiroaki Mitsuoka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20190316016Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2/s and a kinematic viscosity at 100° C. of from 2 to 30 mm2/s.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Applicant: AGC Inc.Inventors: Masato FUKUSHIMA, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Patent number: 10414706Abstract: There are provided a solvent composition which is excellent in solubility of various organic substances and excellent in detergency and a drying property, and has no adverse effect on a global environment and is excellent in stability; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-3,3-difluoro-1-propyne, a cleaning method of bringing the solvent composition and an article into contact with each other, a method of dissolving a nonvolatile organic compound in the solvent composition to produce a coating film-forming composition and evaporating the solvent composition after applying the coating film-forming composition on an article to be coated, to form a coating film, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.Type: GrantFiled: January 9, 2018Date of Patent: September 17, 2019Assignee: AGC Inc.Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
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Publication number: 20190276380Abstract: Provided is a method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene where (E)-1-chloro-2,3,3-trifluoro-1-propene and water can be efficiently removed and (Z)-1-chloro-2,3,3-trifluoro-1-propene with higher purity can be obtained at a higher recovery ratio. The method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene includes: distilling a distillation composition which contains (Z)-1-chloro-2,3,3-trifluoro-1-propene, (E)-1-chloro-2,3,3-trifluoro-1-propene and water to remove (E)-1-chloro-2,3,3-trifluoro-1-propene and water as an azeotropic composition or an azeotropic-like composition.Type: ApplicationFiled: May 24, 2019Publication date: September 12, 2019Applicant: AGC Inc.Inventors: Masahiko NAKAMURA, Atsushi Fujimori, Mari Ichinokawa, Hidekazu Okamoto, Hiroaki Mitsuoka
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Publication number: 20190276381Abstract: To provide a method for producing 1-chloro-2,3,3-trifluoropropene, whereby it is possible to efficiently remove 1-chloro-3,3-difluoro-1-propyne and/or an oxide from a composition comprising 1-chloro-2,3,3-trifluoropropene. A method for producing 1-chloro-2,3,3-trifluoropropene, in which a composition comprising 1-chloro-2,3,3-trifluoropropene and at least one member selected from 1-chloro-3,3-difluoro-1-propyne and an oxide, is brought into contact with a basic aqueous solution to remove said at least one member selected from 1-chloro-3,3-difluoro-1-propyne and an oxide, from the composition.Type: ApplicationFiled: May 29, 2019Publication date: September 12, 2019Applicant: AGC Inc.Inventors: Masahiko NAKAMURA, Atsushi FUJIMORI, Mari ICHINOKAWA, Hidekazu OKAMOTO, Hiroaki MITSUOKA
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Patent number: 10392546Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2/s and a kinematic viscosity at 100° C. of from 2 to 30 mm2/s.Type: GrantFiled: March 22, 2018Date of Patent: August 27, 2019Assignee: AGC Inc.Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Patent number: 10358591Abstract: To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing trifluoroethylene, and a refrigerant oil (for example, an ester refrigerant oil, an ether refrigerant oil, a polyglycol refrigerant oil or a hydrocarbon refrigerant oil), and a heat cycle system employing the composition for a heat cycle system.Type: GrantFiled: August 12, 2016Date of Patent: July 23, 2019Assignee: AGC Inc.Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka
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Patent number: 10233371Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The working fluid has a low global warming potential and can replace R410A. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and an aniline point of at least ?100° C. and at most 0° C.Type: GrantFiled: March 27, 2018Date of Patent: March 19, 2019Assignee: AGC Inc.Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Patent number: 10196552Abstract: To provide a composition for a heat cycle system having less influence over the ozone layer, having a low global warming potential and having excellent durability, and a heat cycle system. A composition for a heat cycle system comprising a working fluid containing trifluoroethylene and difluoromethane, and a lubricating oil, wherein the interaction distance (Ra1123) between trifluoroethylene and the lubricating oil as determined from the Hansen solubility parameters is shorter than the interaction distance (Ra32) between difluoromethane and the lubricating oil.Type: GrantFiled: July 29, 2016Date of Patent: February 5, 2019Assignee: AGC Inc.Inventors: Katsuya Fujii, Hiroshi Yamamoto, Katsuya Ueno, Hidekazu Okamoto, Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka
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Publication number: 20190031934Abstract: A working fluid for heat cycle, wherein the global warming potential is less than 300; the product of the relative coefficient of performance and the relative refrigerating capacity is at least 0.820 relative to R410A in a standard refrigerating cycle under conditions of an evaporation temperature of 0° C., a condensing temperature of 40° C., a supercoiling degree of 5° C. and a degree of superheat of 5° C.; the relative compressor discharge gas pressure is at most 1.100; the lower limit of the combustion range by method A in High Pressure Gas Safety Act is at least 5 vol %; and the pressure will not exceed 2.00 MPaG in a combustion test by method A in High Pressure Gas Safety act under 0.98 MPaG at 250° C.Type: ApplicationFiled: October 5, 2018Publication date: January 31, 2019Applicant: AGC Inc.Inventors: Masato FUKUSHIMA, Hiroaki MITSUOKA, Mai TASAKA, Satoshi KAWAGUCHI, Katsuya UENO, Toshiyuki TANAKA, Hidekazu OKAMOTO, Tetsuo OTSUKA, Yoshinobu KADOWAKI, Tatsuhiro NOGAMI, Daisuke SHIRAKAWA, Hirokazu TAKAGI, Takeaki ARAI
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Publication number: 20180370882Abstract: There are provided a solvent composition containing tDCE, which does not exert an adverse effect on the global environment, has high solubility and incombustibility, and can maintain initial incombustibility even in use accompanied by a phase change, a cleaning method using the solvent composition, a coating film-forming composition including the solvent composition, and a method of forming a homogeneous coating film using the coating film-forming composition. A solvent composition includes: tDCE; at least one HFE (A) selected from HFE-347pc-f, HFE-365mf-c, and HFE-467sc-f; and at least one HFC (X) selected from cHFC-447, and HFC-76-13sf, in which a ratio of tDCE with respect to a total amount of tDCE, HFE (A), and HFC (X) is 65 to 80 mass %, a ratio of HFE (A) with respect to the total amount is 5 to 25 mass %, and a ratio of HFC (X) with respect to the total amount is 5 to 25 mass %.Type: ApplicationFiled: July 27, 2018Publication date: December 27, 2018Applicant: AGC Inc.Inventors: Hiroaki MITSUOKA, Daisuke IKEDA, Toshio MIKI, Tsuyoshi HANADA
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Publication number: 20180346841Abstract: There are provided a solvent composition containing tDCE, which does not exert an adverse effect on the global environment, has high solubility and incombustibility, and can maintain initial incombustibility even in use accompanied by a phase change, a cleaning method using the solvent composition, a coating film-forming composition including the solvent composition, and a method of forming a homogeneous coating film using the coating film-forming composition. A solvent composition includes: tDCE; a first HFE having a boiling point of 40 to 65° C.; and a second HFE having a boiling point of 70 to 120° C., in which a ratio of tDCE is 65 to 80 mass %, a ratio of the first HFE is 5 to 25 mass %, and a ratio of the second HFE is 5 to 25 mass % with respect to a total amount of tDCE, the first HFE, and the second HFE.Type: ApplicationFiled: August 6, 2018Publication date: December 6, 2018Applicant: AGC Inc.Inventors: Daisuke IKEDA, Hiroaki MITSUOKA, Toshio MIKI, Tsuyoshi HANADA
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Patent number: 10138403Abstract: There are provided a composition for a heat cycle system containing a working medium for heat cycle that has a low global warming potential and high stability, which can be used as a substitute for HFC-134a and HFC-245fa, and a heat cycle system using this composition. The composition for a heat cycle system contains: a working medium for heat cycle containing 1-chloro-2,3,3,3-tetrafluoropropene; and a stabilizer suppressing deterioration of the working medium for heat cycle such as an oxidation resistance improver, a heat resistance improver, or a metal deactivator, and the heat cycle system uses this composition for a heat cycle system.Type: GrantFiled: October 24, 2017Date of Patent: November 27, 2018Assignee: AGC Inc.Inventors: Mai Tasaka, Masato Fukushima, Hiroaki Mitsuoka
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Patent number: 10131827Abstract: To provide a working fluid which has cycle performance sufficient as an alternative to R410A while the influence over global warming is sufficiently suppressed, which does not significantly increase the load to an apparatus as compared with a case where R410A is used, and which can be stably used continuously without any special measures, a composition for a heat cycle system contains the working fluid, and a heat cycle system employs the composition. A working fluid for heat cycle, wherein the global warming potential is less than 300; the product of the relative coefficient of performance and the relative refrigerating capacity is at least 0.820 relative to R410A in a standard refrigerating cycle under conditions of an evaporation temperature of 0° C., a condensing temperature of 40° C., a supercoiling degree of 5° C. and a degree of superheat of 5° C.; the relative compressor discharge gas pressure is at most 1.Type: GrantFiled: July 27, 2016Date of Patent: November 20, 2018Assignee: AGC INC.Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Satoshi Kawaguchi, Katsuya Ueno, Toshiyuki Tanaka, Hidekazu Okamoto, Tetsuo Otsuka, Yoshinobu Kadowaki, Tatsuhiro Nogami, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Publication number: 20180319726Abstract: The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.Type: ApplicationFiled: July 13, 2018Publication date: November 8, 2018Applicant: AGC IncInventors: Hiroaki MITSUOKA, Toshio Miki, Masahiko Nakamura, Mari Ichinokawa, Hidekazu Okamoto, Atsushi Fujimori
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Publication number: 20180282602Abstract: To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing an unsaturated fluorinated hydrocarbon compound having a specific structure, and a refrigerant oil having a breakdown voltage of at least 25 kV, a hydroxy value of at most 0.1 mgKOH/g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2/s and a kinematic viscosity at 100° C. of from 2 to 30 mm2/s, and a heat cycle system employing the composition for a heat cycle system.Type: ApplicationFiled: March 22, 2018Publication date: October 4, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Publication number: 20180215980Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The working fluid has a low global warming potential and can replace R410A. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and an aniline point of at least ?100° C. and at most 0° C.Type: ApplicationFiled: March 27, 2018Publication date: August 2, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Publication number: 20180187134Abstract: There is provided a solvent composition which is a stable solvent composition which is excellent in solubility of various organic substances, has a sufficient drying property, and has no adverse effect on a global environment, is stabilized not to decompose, and moreover suppresses metal corrosion under coexistence with metal, and which can be used without having an adverse effect on articles of various materials such as metal, plastic, and elastomer in a wide range of industrial uses such as cleaning and dilution coating uses. A solvent composition including: a solvent (A) including (Z)-1-chloro-3,3,3-trifluoro-1-propene; and a stabilizer (B) consisting of HCFC whose boiling point at normal pressure is not lower than 30° C. nor higher than 60° C.Type: ApplicationFiled: March 5, 2018Publication date: July 5, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Masahiko Nakamura, Hidekazu Okamoto, Masaaki Tsuzaki, Hiroaki Mitsuoka, Satoko Itoh
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Patent number: 9976067Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2/s and a kinematic viscosity at 100° C. of from 2 to 30 mm2/s.Type: GrantFiled: August 16, 2016Date of Patent: May 22, 2018Assignee: Asahi Glass Company, LimitedInventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
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Publication number: 20180134640Abstract: There are provided a solvent composition which is excellent in solubility of various organic substances and excellent in detergency and a drying property, and has no adverse effect on a global environment and is excellent in stability; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-3,3-difluoro-1-propyne, a cleaning method of bringing the solvent composition and an article into contact with each other, a method of dissolving a nonvolatile organic compound in the solvent composition to produce a coating film-forming composition and evaporating the solvent composition after applying the coating film-forming composition on an article to be coated, to form a coating film, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.Type: ApplicationFiled: January 9, 2018Publication date: May 17, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Masahiko NAKAMURA, Hiroaki MITSUOKA, Mari ICHINOKAWA, Atsushi FUJIMORI, Hidekazu OKAMOTO
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Publication number: 20180127341Abstract: There are provided: a solvent composition which is excellent in solubility of various organic substances and excellent in detergency, and has no adverse effect on a global environment, is excellent in stability, and is capable of suppressing corrosion of metal; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including HCFO-1233yd and HCFC-244ca, in which a content of HCFC-244ca to a total of HCFO-1233yd and HCFC-244ca is 0.0001 to 1 mass %, a cleaning method of contacting the solvent composition with an article, a method of forming a coating film consisting of the nonvolatile organic compound using the solvent composition and a nonvolatile organic compound, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.Type: ApplicationFiled: January 9, 2018Publication date: May 10, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Masahiko NAKAMURA, Hiroaki MITSUOKA, Mari ICHINOKAWA, Atsushi FUJIMORI, Hidekazu OKAMOTO