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).

  • Publication number: 20240093039
    Abstract: Provided is a wood preservation treatment liquid including: an organic solvent containing 1-chloro-2,3,3,3-tetrafluoropropene; and a wood preservative.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 21, 2024
    Applicant: AGC INC.
    Inventors: Hiroaki MITSUOKA, Hiroki HAYAMIZU
  • Publication number: 20230416579
    Abstract: Provided is an aerosol raw material composition containing water and 1-chloro-2,3,3,3-tetrafluoropropene, in which a content of water is 1.0% by mass or more with respect to a total amount of water and 1-chloro-2,3,3,3-tetrafluoropropene.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: AGC INC.
    Inventors: Hiroki HAYAMIZU, Hiroaki MITSUOKA
  • Publication number: 20230332074
    Abstract: To provide a composition which is excellent in solubility of various organic substances, presents no adverse effects on the global environment and is excellent in stability. A composition comprising a monochlorotrifluoropropene and at least one stabilizer selected from the group consisting of a carboxylic acid, a carboxylic acid salt and a carboxylic acid ion, characterized in that the content of the stabilizer to the total content of the monochlorotrifluoropropene and the stabilizer is from 0.1 to 500 mass ppm.
    Type: Application
    Filed: June 12, 2023
    Publication date: October 19, 2023
    Applicant: AGC Inc.
    Inventors: Atsushi FUJIMOTO, Satoshi KAWAGUCHI, Hiroaki MITSUOKA
  • Patent number: 11718574
    Abstract: 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: Grant
    Filed: May 5, 2021
    Date of Patent: August 8, 2023
    Assignee: AGC Inc.
    Inventors: Hiroaki Mitsuoka, Toshio Miki, Masahiko Nakamura, Mari Ichinokawa, Hidekazu Okamoto, Atsushi Fujimori
  • Patent number: 11530363
    Abstract: To provide a lubricant solution capable of forming a uniform coating film by using a solvent composition which has a small impact on the global environment and which is excellent in solubility of the fluorinated ether compound, and a method for producing a substrate provided with a lubricant coating film. A lubricant solution comprising a solvent composition which comprises a HCFO and at least one member selected from the group consisting of 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorohexane, 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorooctane, nonafluorobutyl methyl ether, nonafluorobutyl ethyl ether and 3-methoxy-4-trifluoromethyl-1,1,1,2,2,3,4,5,5,5-decafluoropentane, and a fluorinated ether compound which is a fluorinated ether compound having a perfluoropolyether chain and CF3 groups at both terminals, wherein the perfluoropolyether chain does not have a branched structure.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: December 20, 2022
    Assignee: AGC Inc.
    Inventors: Toshio Miki, Hiroaki Mitsuoka
  • Patent number: 11440862
    Abstract: 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: Grant
    Filed: September 14, 2020
    Date of Patent: September 13, 2022
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Patent number: 11427521
    Abstract: A cleaning method may include: bringing an article to be cleaned into contact with a liquid-phase solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-2,2,3,3-tetrafluoropropane; and exposing the article to be cleaned to steam generated by evaporating the liquid-phase solvent composition. In the liquid-phase composition, a proportion of a content of 1-chloro-2,2,3,3-tetrafluoropropane to a total of a content of 1-chloro-2,3,3-trifluoro-1-propene and a content of 1-chloro-2,2,3,3-tetrafluoropropane may be 0.0001 to 1 mass %.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: August 30, 2022
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Patent number: 11421138
    Abstract: To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, 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 trifluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: August 23, 2022
    Assignee: AGC Inc.
    Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka
  • Patent number: 11401486
    Abstract: 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 (D-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: Grant
    Filed: September 18, 2020
    Date of Patent: August 2, 2022
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hidekazu Okamoto, Masaaki Tsuzaki, Hiroaki Mitsuoka, Satoko Itoh
  • Publication number: 20220153666
    Abstract: 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: Application
    Filed: May 5, 2021
    Publication date: May 19, 2022
    Applicant: AGC Inc.
    Inventors: Hiroaki MITSUOKA, Toshio MIKI, Masahiko NAKAMURA, Mari ICHINOKAWA, Hidekazu OKAMOTO, Atsushi FUJIMORI
  • Publication number: 20220089927
    Abstract: To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, 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 trifluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 24, 2022
    Applicant: AGC Inc.
    Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka
  • Publication number: 20220073804
    Abstract: To provide an azeotropic composition, an azeotrope-like composition and a composition, which have little influence over the global environment, which are non-flammable, and which are less likely to undergo composition change even when evaporated and condensed repeatedly, and a detergent, a solvent and a heat transfer fluid, which contain the azeotropic composition, the azeotrope-like composition or the composition. An azeotropic composition consisting essentially of 34.5 mass % of (Z)-1-chloro-2,3,3-trifluoropropene and 65.5 mass % of trans-1,2-dichloroethylene, and an azeotrope-like composition consisting essentially of from 28 to 41 mass % of (Z)-1-chloro-2,3,3-trifluoropropene and from 59 to 72 mass % of trans-1,2-dichloroethylene.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Applicant: AGC Inc.
    Inventor: Hiroaki MITSUOKA
  • Patent number: 11254824
    Abstract: To provide a solvent composition in which various organic substances are soluble, and which has no adverse effect on global environment. A solvent composition comprising 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, a cleaning method using the solvent composition, a method for producing a substrate with a coating film, and a heat transfer fluid.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: February 22, 2022
    Assignee: AGC Inc.
    Inventors: Hiroaki Mitsuoka, Toshio Miki, Tsuyoshi Hanada, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20210355405
    Abstract: To provide a lubricant solution capable of forming a uniform coating film by using a solvent composition which has a small impact on the global environment and which is excellent in solubility of the fluorinated ether compound, and a method for producing a substrate provided with a lubricant coating film. A lubricant solution comprising a solvent composition which comprises a HCFO and at least one member selected from the group consisting of 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorohexane, 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorooctane, nonafluorobutyl methyl ether, nonafluorobutyl ethyl ether and 3-methoxy-4-trifluoromethyl-1,1,1,2,2,3,4,5,5,5-decafluoropentane, and a fluorinated ether compound which is a fluorinated ether compound having a perfluoropolyether chain and CF3 groups at both terminals, wherein the perfluoropolyether chain does not have a branched structure.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Applicant: AGC Inc.
    Inventors: Toshio MIKI, Hiroaki MITSUOKA
  • Publication number: 20210276934
    Abstract: 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: Application
    Filed: May 5, 2021
    Publication date: September 9, 2021
    Applicant: AGC Inc.
    Inventors: Hiroaki MITSUOKA, Toshio MIKI, Masahiko NAKAMURA, Mari ICHINOKAWA, Hidekazu OKAMOTO, Atsushi FUJIMORI
  • Patent number: 11072734
    Abstract: 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: Grant
    Filed: June 26, 2019
    Date of Patent: July 27, 2021
    Assignee: AGC Inc.
    Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
  • Publication number: 20210188745
    Abstract: A cleaning method may include: bringing an article to be cleaned into contact with a liquid-phase solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-2,2,3,3-tetrafluoropropane; and exposing the article to be cleaned to steam generated by evaporating the liquid-phase solvent composition. In the liquid-phase composition, a proportion of a content of 1-chloro-2,2,3,3-tetrafluoropropane to a total of a content of 1-chloro-2,3,3-trifluoro-1-propene and a content of 1-chloro-2,2,3,3-tetrafluoropropane may be 0.0001 to 1 mass %.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Applicant: AGC Inc.
    Inventors: Masahiko NAKAMURA, Hiroaki MITSUOKA, Mari ICHINOKAWA, Atsushi FUJIMORI, Hidekazu OKAMOTO
  • Patent number: 11034637
    Abstract: 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: Grant
    Filed: May 1, 2020
    Date of Patent: June 15, 2021
    Assignee: AGC Inc.
    Inventors: Hiroaki Mitsuoka, Toshio Miki, Masahiko Nakamura, Mari Ichinokawa, Hidekazu Okamoto, Atsushi Fujimori
  • Patent number: 10975008
    Abstract: 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: Grant
    Filed: November 22, 2019
    Date of Patent: April 13, 2021
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20210002590
    Abstract: 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 (D-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: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: AGC Inc.
    Inventors: Masahiko NAKAMURA, Hidekazu Okamoto, Masaaki Tsuzaki, Hiroaki Mitsuoka, Satoko Itoh