Patents by Inventor Yosuke Kishikawa

Yosuke Kishikawa 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).

  • Patent number: 10774028
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: September 15, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • Publication number: 20200283370
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Publication number: 20200270203
    Abstract: A novel branched fluorine-containing compound represented by formula (1): (Rf—Y?n1L?X-A)n2??(1) wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; RY, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents —ArSO3M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR4, or a metal salt; and R represents hydr
    Type: Application
    Filed: September 13, 2017
    Publication date: August 27, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Moe HOSOKAWA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Publication number: 20200262709
    Abstract: A method for producing lithium fluorosulfonate which includes reacting XSO3H, wherein X is a leaving group other than fluorine, with a lithium source and a fluorine source. Also disclosed is a composition containing XSO3H.
    Type: Application
    Filed: September 18, 2018
    Publication date: August 20, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki SUZUKI, Akiyoshi YAMAUCHI, Kotaro HAYASHI, Yoshihiro YAMAMOTO, Yosuke KISHIKAWA, Tatsuya OHTSUKA, Atsushi MARUO, Hiroyuki ARIMA
  • Patent number: 10730824
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: August 4, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • Patent number: 10717693
    Abstract: The present invention provides a method for producing a diol having a specific structure in high yields while keeping high selectivity. Provided is a method for producing a diol having a specific structure by oxidizing an olefin having a specific structure in the presence of a ruthenium compound.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: July 21, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akinori Yamamoto, Yosuke Kishikawa
  • Publication number: 20200172476
    Abstract: A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula: R1—C(?O)—R2—C(?O)—R3—OSO3X wherein R1, R2 and R3 are as defined herein; X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.
    Type: Application
    Filed: September 29, 2017
    Publication date: June 4, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoru YONEDA, Manabu FUJISAWA, Kazuya ASANO, Takahiro KITAHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Publication number: 20200087230
    Abstract: The problem to be solved by the present invention is to provide a novel method for producing a difluoromethylene compound. This problem is solved by a method for producing a difluoromethylene compound containing a —CF2— moiety, the method comprising step A of mixing: a) a carbonyl compound containing a —C(O)— moiety; b) optionally an amine; c) a fluoride represented by the formula: MF, wherein M represents a Group 1 element of the periodic table; d) a halogenated fluorine compound represented by the formula: XFn, wherein X represents chlorine, bromine, or iodine, and n is a natural number of 1 to 5; and e) sulfur chloride.
    Type: Application
    Filed: December 22, 2017
    Publication date: March 19, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tatsuya OHTSUKA, Yoshichika KUROKI, Atsushi SHIRAI, Moe HOSOKAWA, Yosuke KISHIKAWA
  • Patent number: 10577302
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein, R1 and R2 are the same or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen; Rc represents a group: —OR3 (wherein R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen) or halogen; and X represents fluoroalkyl, alkyl, hydrogen, or halogen); and (B) amide, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: March 3, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Makoto Matsuura, Asako Yoshiyama, Yosuke Kishikawa
  • Publication number: 20200024219
    Abstract: A carboxylic acid or sulfonic acid salt containing a plurality of carbonyl groups, and a surfactant represented by the following formula: R1—C(?O)—R2—C(?O)—R3-A wherein R1, R2 and R3 are as defined herein, and A is —COOX or —SO3X, wherein X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 23, 2020
    Applicant: Daikin Industries, Ltd.
    Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Hirokazu AOYAMA
  • Publication number: 20200024222
    Abstract: The invention provides a novel hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester, or a salt thereof, and a surfactant. Each of them is a compound represented by the following formula (1): CR1R2R4—CR3R5—X-A wherein R1 to R5 are each H or a monovalent substituent; at least one of R1 or R3 is a group represented by the formula: —Y—R6; at least one of R2 or R5 is a group represented by the formula: —X-A or a group represented by the formula: —Y—R6; and As at the respective appearances are the same as or different from each other, and are each —COOM, —SO3M, or —OSO3M.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 23, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Hirokazu AOYAMA
  • Publication number: 20200024229
    Abstract: A sulfonic acid or carboxylic acid containing a carbonyl group, or a salt thereof represented by the following formula: R1—C(?O)—(CR22)—(OR3)p—(CR42)q-L-A wherein R1, R2, R3, R4, n, p, q, A and L are as defined herein.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 23, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Marina NAKANO, Shinnosuke NITTA, Hirokazu AOYAMA
  • Patent number: 10526272
    Abstract: An object of the present invention is to provide a method for efficiently eliminating water from a composition containing an acrylic acid derivative and water. This problem is solved by a method for eliminating water from a composition A containing: (A) an acrylic acid derivative represented by Formula (I): wherein R1 and R2 are identical or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen, R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen, and X represents alkyl, fluoroalkyl, halogen, or hydrogen; and (B) water, the method comprising step A of bringing the composition A into contact with a zeolite.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: January 7, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Makoto Matsuura, Yosuke Kishikawa, Asako Yoshiyama, Sumi Ishihara
  • Publication number: 20190375636
    Abstract: An object of this invention is to provide a simple method for producing sulfur tetrafluoride. The object is achieved by a method for producing sulfur tetrafluoride, comprising step A of reacting a fluorinated halogen compound with sulfur chloride, the fluorinated halogen compound being represented by formula: XFn, wherein X is chlorine, bromine, or iodine; and n is a natural number of 1 to 5.
    Type: Application
    Filed: November 13, 2017
    Publication date: December 12, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tatsuya OHTSUKA, Yoshichika KUROKI, Atsushi SHIRAI, Moe HOSOKAWA, Yosuke KISHIKAWA
  • Patent number: 10479681
    Abstract: An object of the present invention is to provide a novel substance that has a high reactivity as a fluorinating agent, is effectively used in various fluorination reactions, and is safely handled even in air. As the solution for achieving this object, the present invention provides a complex obtained by reacting bromine trifluoride with at least one metal halide selected from the group consisting of halogenated metals and halogenated hydrogen metals in a nonpolar solvent. This complex serves as a fluorinating agent that provides excellent fluorination performance and that is stable in air.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: November 19, 2019
    Assignees: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Shoji Hara, Yosuke Kishikawa, Atsushi Shirai, Takashi Namikawa, Sumi Ishihara
  • Publication number: 20190256457
    Abstract: A novel branched fluorine-containing compound represented by formula (1): (Rf—Y?n1L?X-A)n2??(1) wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; RY, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents —ArSO3M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR4, or a metal salt; and R represents hydr
    Type: Application
    Filed: September 14, 2017
    Publication date: August 22, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Moe HOSOKAWA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Publication number: 20190152779
    Abstract: An object of the present invention is to provide a novel substance that has a high reactivity as a fluorinating agent, is effectively used in various fluorination reactions, and is safely handled even in air. As the solution for achieving this object, the present invention provides a complex obtained by reacting bromine trifluoride with at least one metal halide selected from the group consisting of halogenated metals and halogenated hydrogen metals in a nonpolar solvent. This complex serves as a fluorinating agent that provides excellent fluorination performance and that is stable in air.
    Type: Application
    Filed: January 30, 2019
    Publication date: May 23, 2019
    Applicants: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVESITY
    Inventors: Shoji HARA, Yosuke KISHIKAWA, Atsushi SHIRAI, Takashi NAMIKAWA, Sumi ISHIHARA
  • Patent number: 10233080
    Abstract: An object of the present invention is to provide a novel substance that has a high reactivity as a fluorinating agent, is effectively used in various fluorination reactions, and is safely handled even in air. As the solution for achieving this object, the present invention provides a complex obtained by reacting bromine trifluoride with at least one metal halide selected from the group consisting of halogenated metals and halogenated hydrogen metals in a nonpolar solvent. This complex serves as a fluorinating agent that provides excellent fluorination performance and that is stable in air.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: March 19, 2019
    Assignees: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Shoji Hara, Yosuke Kishikawa, Atsushi Shirai, Takashi Namikawa, Sumi Ishihara
  • Publication number: 20190071376
    Abstract: This invention solves the problem of providing an efficient, new method for producing a fluoromethylene-containing compound. The problem can be solved by a method for producing a compound represented by formula (1) or a ring-closed or ring-opened derivative of the compound, wherein R1 represents an organic group, RX represents hydrogen or fluorine, R2a, R2b, R2c, and R2d are the same or different, and each represents —Y—R21 or —N(—R22)2, or R2b and R2c may join together to form a bond, wherein Y represents a bond, oxygen, or sulfur, R21 represents hydrogen or an organic group, and R22, in each occurrence, is the same or different and represents hydrogen or an organic group; the method comprising step A of reacting a compound represented by formula (2), wherein X represents a leaving group, and other symbols are as defined above, with a compound represented by formula (3), wherein the symbols are as defined above, in the presence of a reducing agent under light irradiation.
    Type: Application
    Filed: March 8, 2017
    Publication date: March 7, 2019
    Applicants: DAIKIN INDUSTRIES, LTD., Osaka Prefecture University Public Corporation
    Inventors: Makoto MATSUURA, Akinori YAMAMOTO, Yosuke KISHIKAWA, Ilhyong RYU, Takahide FUKUYAMA, Shuhei SUMINO
  • Patent number: 10173960
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein Ra represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluorine, alkyl, perfluoroalkyl, or hydrogen); and (B) aldehyde, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: January 8, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Makoto Matsuura, Asako Yoshiyama, Akihiro Gotou, Manaho Miyazaki, Yosuke Kishikawa