Patents by Inventor Akiyoshi Yamauchi

Akiyoshi Yamauchi 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: 20210399340
    Abstract: An electrolyte solution containing at least one compound represented by formula (1-1) and formula (1-2), formula (1-1) being: where R101 is an optionally fluorinated C1-C7 alkyl group, an optionally fluorinated C2-C8 alkenyl group, an optionally fluorinated C2-C9 alkynyl group, or an optionally fluorinated C6-C12 aryl group, and optionally contains at least one selected from O, Si, S, and N in a structure; and formula (1-2) being: where R102 and R103 are (i) each individually H, F, an optionally fluorinated C1-C7 alkyl group, an optionally fluorinated C2-C7 alkenyl group, an optionally fluorinated C2-C9 alkynyl group, or an optionally fluorinated C5-C12 aryl group, or (ii) hydrocarbon groups binding to each other to form a 5-membered or 6-membered hetero ring with a nitrogen atom; and R102 and R103 each optionally contain at least one selected from O, S, and N in a structure.
    Type: Application
    Filed: January 9, 2019
    Publication date: December 23, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko KUWAJIMA, Akiyoshi YAMAUCHI, Yuuki SUZUKI, Kotaro HAYASHI, Hisako NAKAMURA, Takaya YAMADA, Toshiharu SHIMOOKA, Yoshihiro YAMAMOTO, Shigeaki YAMAZAKI, Kenzou TAKAHASHI
  • Patent number: 11198670
    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: Grant
    Filed: September 29, 2017
    Date of Patent: December 14, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro Higashi, Satoru Yoneda, Akiyoshi Yamauchi, Sumi Ishihara, Yosuke Kishikawa, Hirokazu Aoyama
  • Publication number: 20210384556
    Abstract: The disclosure provides an electrolyte solution capable of improving the output characteristics of an electrochemical device at initial stage and after high-temperature storage. The electrolyte solution contains a compound represented by the following formula (1). In the formula (1), R101s are each individually an optionally fluorinated organic group; X101s are each individually a halogen atom, —Rc101, or —ORc101, wherein Rc101 is an alkyl group or an aryl group; p1 is an integer of 1 to 4; and q1 is an integer satisfying p1+q1=4.
    Type: Application
    Filed: March 11, 2019
    Publication date: December 9, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko KUWAJIMA, Akiyoshi YAMAUCHI, Yuuki SUZUKI, Masakazu KINOSHITA, Kotaro HAYASHI, Tomoya HIDAKA, Kenzou TAKAHASHI
  • Publication number: 20210371392
    Abstract: The present disclosure provides, for example, a method that can produce a fluorolactone compound from hexafluoropropylene oxide or the like in a single step.
    Type: Application
    Filed: August 10, 2021
    Publication date: December 2, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Moe HOSOKAWA, Koutarou HAYASHI, Yoshihiro YAMAMOTO, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA, Yuuki SUZUKI, Akitoshi OGATA, Makoto MATSUURA
  • Publication number: 20210359296
    Abstract: A structure and composite suitable for a battery, and a battery containing the structure or composite. The structure includes: an electrode layer; an inorganic solid electrolyte layer; and a fluorine-containing polymer layer between the electrode layer and the inorganic solid electrolyte layer, the fluorine-containing polymer layer containing a composite that contains a fluorine-containing polymer and an alkali metal salt.
    Type: Application
    Filed: July 28, 2021
    Publication date: November 18, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kotaro HAYASHI, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Publication number: 20210355077
    Abstract: A novel branched fluorine-containing compound represented by formula (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 hydrogen or a C1-4 organi
    Type: Application
    Filed: July 28, 2021
    Publication date: November 18, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Moe HOSOKAWA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Publication number: 20210340098
    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 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. Also disclosed is a surfactant containing the sulfuric acid ester and an aqueous dispersant containing the sulfuric acid ester.
    Type: Application
    Filed: June 17, 2021
    Publication date: November 4, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoru YONEDA, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara, Masahiro Higashi, Akiyoshi Yamauchi, Sumi Ishihara, Yosuke Kishikawa
  • Patent number: 11104639
    Abstract: A novel branched fluorine-containing compound represented by formula (1): (Rf—Yn1LX-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 hydroge
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: August 31, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro Higashi, Moe Hosokawa, Akiyoshi Yamauchi, Sumi Ishihara, Yosuke Kishikawa
  • Publication number: 20210265664
    Abstract: An electrolyte solution containing a compound represented by formula (1) and a compound represented, for example, by formula (11-1), the formula (1) being: wherein M101 is P or P?O; R101 is a group such as a C1-C11 alkylsilyloxy group; n101 is an oxidation number of M101 minus 1 or an oxidation number of M101 minus 3; and R102 to R104 are each individually a group such as a C1-C11 alkyl group; the formula (11-1) being: wherein R111 and R112 are the same as or different from each other and are each an atom or group such as a hydrogen atom; and R113 is a group such as an alkyl group free from a fluorine atom.
    Type: Application
    Filed: March 18, 2019
    Publication date: August 26, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko KUWAJIMA, Tomoya HIDAKA, Masakazu KINOSHITA, Yuuki SUZUKI, Toshiharu SHIMOOKA, Hisako NAKAMURA, Takaya YAMADA, Shigeaki YAMAZAKI, Akiyoshi YAMAUCHI, Kotaro HAYASHI, Yoshihiro YAMAMOTO, Kenzou TAKAHASHI
  • Publication number: 20210246098
    Abstract: An electrolyte solution containing a compound represented by the following formula (1).
    Type: Application
    Filed: January 9, 2019
    Publication date: August 12, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko KUWAJIMA, Akiyoshi YAMAUCHI, Kotaro HAYASHI, Hisako NAKAMURA, Toshiharu SHIMOOKA, Takaya YAMADA, Yoshihiro YAMAMOTO, Shigeaki YAMAZAKI, Kenzou TAKAHASHI
  • Patent number: 11072580
    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: Grant
    Filed: September 29, 2017
    Date of Patent: July 27, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara, Masahiro Higashi, Akiyoshi Yamauchi, Sumi Ishihara, Yosuke Kishikawa
  • Publication number: 20210221992
    Abstract: A polytetrafluoroethylene having a breaking strength of 10.0 N or more and a thermal instability index (TII) of 20 or more. Also disclosed is a stretched body including the polytetrafluoroethylene.
    Type: Application
    Filed: July 23, 2019
    Publication date: July 22, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taketo KATO, Yohei FUJIMOTO, Kenji ICHIKAWA, Hiroyuki SATO, Ryota USAMI, Yoshinori NANBA, Hirotoshi YOSHIDA, Kengo ITO, Chiaki OKUI, Masamichi SUKEGAWA, Taku YAMANAKA, Yosuke KISHIKAWA, Hirokazu AOYAMA, Satoru YONEDA, Sumi ISHIHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Shinnosuke NITTA, Marina NAKANO
  • Publication number: 20210198228
    Abstract: A method for producing a cyclic carbonate represented by the following formula (1): wherein X1 and X2 are the same as or different from each other, and are each a hydrogen atom, a fluorine atom, or a monovalent organic group; and R is an organic group containing one or more carbon-carbon unsaturated bonds. The method includes reacting an unsaturated cyclic carbonate represented by the following formula (A): wherein X1 and X2 are defined as described above, and an alcohol represented by the formula (B): R—OH, wherein R is defined as described above, or an alkoxide thereof in the presence of a base, or reacting the unsaturated cyclic carbonate and the alkoxide. Also disclosed is a method for producing a cyclic carbonate.
    Type: Application
    Filed: September 20, 2018
    Publication date: July 1, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Akiyoshi YAMAUCHI, Kotaro HAYASHI, Yuuki SUZUKI, Yoshihiro YAMAMOTO, Yosuke KISHIKAWA
  • Publication number: 20210115224
    Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2 a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb.
    Type: Application
    Filed: March 30, 2018
    Publication date: April 22, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taketo KATO, Satoru YONEDA, Manabu FUJISAWA, Kazuya ASANO, Takahiro KITAHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Shinnosuke NITTA, Marina NAKANO, Hirotoshi YOSHIDA, Yoshinori NAN BA, Kengo ITO, Chiaki OKUI, Hirokazu AOYAMA, Masamichi SUKEGAWA, Taku YAMANAKA, Hiroyuki SATO, Yuuji TANAKA, Kenji ICHIKAWA, Yohei FUJIMOTO
  • Publication number: 20210108008
    Abstract: A method for producing a fluoropolymer of the invention which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2a—CO—R3a-Aa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-Ab.
    Type: Application
    Filed: March 30, 2018
    Publication date: April 15, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taketo KATO, Satoru YONEDA, Manabu FUJISAWA, Kazuya ASANO, Takahiro KITAHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Shinnosuke NITTA, Marina NAKANO, Hirotoshi YOSHIDA, Yoshinori NANBA, Kengo ITO, Chiaki OKUI, Hirokazu AOYAMA, Masamichi SUKEGAWA, Taku YAMANAKA, Yuuji TANAKA, Kenji ICHIKAWA, Yohei FUJIMOTO, Hiroyuki SATO
  • Publication number: 20210095054
    Abstract: A method for producing a fluoropolymer, which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, wherein the surfactant is a carboxylic acid type hydrocarbon-containing surfactant.
    Type: Application
    Filed: March 7, 2019
    Publication date: April 1, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirotoshi YOSHIDA, Taketo KATO, Kenji ICHIKAWA, Yohei FUJIMOTO, Yoshinori NANBA, Kengo ITO, Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Moe HOSOKAWA, Marina NAKANO, Yuuji TANAKA, Yosuke KISHIKAWA, Hirokazu AOYAMA, Masamichi SUKEGAWA, Taku YAMANAKA, Hiroyuki SATO
  • Publication number: 20210087059
    Abstract: A method for producing a lithium sulfamate which includes (1) reacting a compound (1) represented by the following formula (1): wherein X is fluorine, chlorine, bromine, or iodine, with a compound (2) represented by the following formula (2): wherein R1 and R2 are each individually —H or a substituent as defined herein, the substituent optionally containing at least one bi- to hexavalent heteroatom in the structure and being a substituent in which at least one hydrogen atom is optionally replaced with a fluorine atom or a C0-C7 functional group, to obtain a compound (3) represented by the following formula (3): wherein R1 and R2 are defined as above.
    Type: Application
    Filed: March 11, 2019
    Publication date: March 25, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki SUZUKI, Akiyoshi YAMAUCHI, Tomoya HIDAKA, Kotaro HAYASHI, Yoshiko KUWAJIMA, Yoshihiro YAMAMOTO, Yosuke KISHIKAWA
  • Publication number: 20210070688
    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: October 1, 2020
    Publication date: March 11, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro Higashi, Satoru Yoneda, Akiyoshi Yamauchi, Sumi Ishihara, Yosuke Kishikawa, Hirokazu Aoyama
  • Publication number: 20210043974
    Abstract: An electrolyte solution containing a compound (1) represented by the formula (1), (wherein R101 and R102 are each individually a substituent such as a C1-C7 alkyl group, and the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group) and at least one compound (11) selected from compounds such as a compound represented by formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each a hydrogen atom or the like, and R113 is an alkyl group free from a fluorine atom or the like):
    Type: Application
    Filed: March 11, 2019
    Publication date: February 11, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu KINOSHITA, Tomoya HIDAKA, Toshiharu SHIMOOKA, Shigeaki YAMAZAKI, Hisako NAKAMURA, Takaya YAMADA, Yuuki SUZUKI, Yoshiko KUWAJIMA, Kenzou TAKAHASHI, Akiyoshi YAMAUCHI, Kotaro HAYASHI
  • Publication number: 20210032381
    Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, the surfactant being represented by the general formula (1): CR1R2R4—CR3R5—X-A, wherein R1 to R5 are each H or a monovalent substituent, with the proviso that at least one of R1 and R3 represents a group represented by the general formula: —Y—R6 and at least one of R2 and R5 represents a group represented by the general formula: —X-A or a group represented by the general formula: —Y—R6; and A is the same or different at each occurrence and is —COOM, —SO3M, or —OSO3M. Also disclosed is a surfactant for polymerization represented by the general formula (1), a method for producing a fluoropolymer using the surfactant and a composition including a fluoropolymer and the surfactant.
    Type: Application
    Filed: February 7, 2019
    Publication date: February 4, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taketo KATO, Satoru YONEDA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Moe HOSOKAWA, Marina NAKANO, Hirotoshi YOSHIDA, Yoshinori NANBA, Kengo ITO, Chiaki OKUI, Kenji ICHIKAWA, Yohei FUJIMOTO, Hirokazu AOYAMA, Masamichi SUKEGAWA, Taku YAMANAKA, Hiroyuki SATO