Patents by Inventor Hisako Nakamura

Hisako Nakamura 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: 11996522
    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: Grant
    Filed: March 18, 2019
    Date of Patent: May 28, 2024
    Assignee: 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: 20240167226
    Abstract: An oil-resistant agent composition which contains (1) a hydrocarbon group-containing polymer and (2) an amphoteric polyacrylamide polymer, and which is capable of imparting paper with excellent oil resistance. The hydrocarbon group-containing polymer has (a) a repeating unit that is formed from an acrylic monomer which has a long-chain hydrocarbon group having 7 to 40 carbon atoms and (b) a repeating unit that is formed from an acrylic monomer which has a hydrophilic group. Preferably, the oil-resistant agent composition additionally contains an anionic polyacrylamide polymer. Also disclosed is an oil-resistant agent kit including a liquid containing the oi-resistant agent composition, a method for producing oil-resistant paper which includes adding the oil-resistant agent composition to a paper constituent material, pulp or pulp slurry, as well as an oil-resistant paper.
    Type: Application
    Filed: January 3, 2024
    Publication date: May 23, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shun SHIBATA, Tetsuya Uehara, Daisuke Noguchi, Hisako Nakamura
  • Publication number: 20240150965
    Abstract: A paper oil-resistant agent composition containing a hydrocarbon group-containing polymer having a repeating unit formed from a monomer having a hydrocarbon group having 7 to 40 carbon atoms and an NH group-containing group in an amount of 80% by weight or more based on the polymer. Also disclosed is an oil-resistant paper to which the hydrocarbon group-containing polymer in the paper oil-resistant agent composition adheres, a method for producing paper which includes treating paper with the paper oil-resistant composition, and a method for producing molded pulp which includes filling a mold with the paper oil-resistant agent composition and a pulp slurry, and molding the pulp.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 9, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tetsuya UEHARA, Daisuke NOGUCHI, Norimasa UESUGI, Hisako NAKAMURA, Shun SHIBATA, Michio MATSUDA, Teruyuki FUKUDA
  • Patent number: 11945776
    Abstract: An electrolyte solution containing a compound represented by the following formula (1).
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: April 2, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko Kuwajima, Akiyoshi Yamauchi, Kotaro Hayashi, Hisako Nakamura, Toshiharu Shimooka, Takaya Yamada, Yoshihiro Yamamoto, Shigeaki Yamazaki, Kenzou Takahashi
  • Patent number: 11932712
    Abstract: Provided are a fluorine-free soil resistant agent and a soil resistant treatment method which give excellent water-repellency and excellent antifouling property to a substrate, especially a carpet. The soil resistant agent contains (1) a fluorine-free copolymer having (a) a repeating unit formed from an acrylic monomer having a hydrocarbon group containing 7 to 40 carbon atoms, and (b) a repeating unit formed from an acrylic monomer having a hydrophilic group, and (2) water or a mixture of water and an organic solvent dispersing the fluorine-free copolymer (1). A method of treating the substrate, includes applying the soil resistant agent to the substrate.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: March 19, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako Nakamura, Michio Matsuda, Hirotoshi Sakashita
  • Patent number: 11916195
    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: Grant
    Filed: March 11, 2019
    Date of Patent: February 27, 2024
    Assignee: 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
  • Patent number: 11664534
    Abstract: An electrolyte solution containing a compound represented by the following formula (1): wherein R101 and R102 are the same as or different from each other and are each a hydrogen atom, a fluorine atom, or an alkyl group optionally containing a fluorine atom; and R103 is an alkyl group or an organic group containing an unsaturated carbon-carbon bond. Also disclosed is an electrochemical device and lithium ion secondary battery including the electrolyte solution, and a module including the electrochemical device or lithium ion secondary battery.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: May 30, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako Nakamura, Takaya Yamada, Shigeaki Yamazaki, Yuuki Suzuki, Kenzou Takahashi, Akiyoshi Yamauchi, Kotaro Hayashi
  • Patent number: 11626618
    Abstract: An electrolyte solution for a lithium ion secondary battery, containing a compound (1) represented by the following formula (1): wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10?6 to 1.0×103 ppm. Also disclosed is an electrolyte solution for a lithium ion secondary battery, containing an imidazolium cation (1-1) represented by the following formula (1-1), a bis(oxalato)borate anion, and a hexafluorophosphate anion, the formula (1-1) being: wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10?6 to 1.0×103 ppm.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: April 11, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako Nakamura, Shigeaki Yamazaki, Kenzou Takahashi, Yuuki Suzuki, Akiyoshi Yamauchi, Kotaro Hayashi
  • Patent number: 11611106
    Abstract: The invention provides an electrolyte solution capable of providing an electrochemical device having low resistance and excellent high-temperature storage characteristics and cycle characteristics. The electrolyte solution contains lithium fluorosulfonate and a solvent containing a compound (1) represented by the following formula (1): CF2HCOOCH3.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: March 21, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko Kuwajima, Kenzou Takahashi, Shigeaki Yamazaki, Hiroyuki Arima, Tomoya Hidaka, Masakazu Kinoshita, Hisako Nakamura, Takaya Yamada, Toshiharu Shimooka, Yuuki Suzuki, Tatsuya Ohtsuka
  • Patent number: 11594761
    Abstract: An electrolyte solution containing at least one selected from a compound represented by the following formula (1-1) (wherein Rf111s are the same as or different from each other and are each a C2-C4 fluorinated alkenyl group), a compound represented by the following formula (1-2) (wherein R121 is a C1-C4 alkyl group; and Rf121 is a C2-C4 fluorinated alkenyl group), and a compound represented by the following formula (1-3) (wherein Rf131 is a C1-C3 fluorinated alkyl group; and R131 is a C6-C12 aryl group):
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: February 28, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko Kuwajima, Kotaro Hayashi, Hisako Nakamura, Takaya Yamada, Yuuki Suzuki, Shigeaki Yamazaki, Akiyoshi Yamauchi, Kenzou Takahashi
  • Patent number: 11566095
    Abstract: Provided is a graft copolymer and a treatment method which give excellent antifouling property to a substrate, especially a carpet. The graft copolymer has a trunk polymer having a hydroxyl group; and a branch having a C7-40 hydrocarbon group bonded to the trunk polymer at a carbon atom substituted with the hydroxyl group, wherein the branch has a repeating unit formed from an acrylic monomer represented by the formula: CH2?C(—X)—C(?O)—Y1—Z(—Y2—R)n. The treatment method include applying the graft copolymer to the substrate.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: January 31, 2023
    Assignee: DAIKIN INDUSTRIES. LTD.
    Inventor: Hisako Nakamura
  • 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
  • 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
  • Publication number: 20210130522
    Abstract: Provided is a graft copolymer and a treatment method which give excellent antifouling property to a substrate, especially a carpet. The graft copolymer has a trunk polymer having a hydroxyl group; and a branch having a C7-40 hydrocarbon group bonded to the trunk polymer at a carbon atom substituted with the hydroxyl group, wherein the branch has a repeating unit formed from an acrylic monomer represented by the formula: CH2?C(—X)—C(?O)—Y—Z(—Y2—R)n. The treatment method include applying the graft copolymer to the substrate.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventor: Hisako NAKAMURA
  • Publication number: 20210102020
    Abstract: Provided are a fluorine-free soil resistant agent and a soil resistant treatment method which give excellent water-repellency and excellent antifouling property to a substrate, especially a carpet. The soil resistant agent contains (1) a fluorine-free copolymer having (a) a repeating unit formed from an acrylic monomer having a hydrocarbon group containing 7 to 40 carbon atoms, and (b) a repeating unit formed from an acrylic monomer having a hydrophilic group, and (2) water or a mixture of water and an organic solvent dispersing the fluorine-free copolymer (1). A method of treating the substrate, includes applying the soil resistant agent to the substrate.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 8, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako NAKAMURA, Michio Matsuda, Hirotoshi Sakashita
  • 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: 20200365945
    Abstract: An electrolyte solution containing at least one selected from a compound represented by the following formula (1-1) (wherein Rf111s are the same as or different from each other and are each a C2-C4 fluorinated alkenyl group), a compound represented by the following formula (1-2) (wherein R121 is a C1-C4 alkyl group; and Rf121 is a C2-C4 fluorinated alkenyl group), and a compound represented by the following formula (1-3) (wherein Rf131 is a C1-C3 fluorinated alkyl group; and R131 is a C6-C12 aryl group):
    Type: Application
    Filed: October 26, 2018
    Publication date: November 19, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko KUWAJIMA, Kotaro HAYASHI, Hisako NAKAMURA, Takaya YAMADA, Yuuki SUZUKI, Shigeaki YAMAZAKI, Akiyoshi YAMAUCHI, Kenzou TAKAHASHI
  • Publication number: 20200280096
    Abstract: An electrolyte solution containing a compound represented by the following formula (1): wherein R101 and R102 are the same as or different from each other and are each a hydrogen atom, a fluorine atom, or an alkyl group optionally containing a fluorine atom; and R103 is an alkyl group or an organic group containing an unsaturated carbon-carbon bond. Also disclosed is an electrochemical device and lithium ion secondary battery including the electrolyte solution, and a module including the electrochemical device or lithium ion secondary battery.
    Type: Application
    Filed: October 4, 2018
    Publication date: September 3, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako NAKAMURA, Takaya YAMADA, Shigeaki YAMAZAKI, Yuuki SUZUKI, Kenzou TAKAHASHI, Akiyoshi YAMAUCHI, Kotaro HAYASHI
  • Patent number: 10745531
    Abstract: The present invention provides a film having excellent heat resistance and a small difference between the permittivity at low temperatures and the permittivity at high temperatures. The present invention provides a film having a relative permittivity of 8 or more at a frequency of 1 kHz at 30° C., wherein the rate of change is ?8 to +8% as calculated from a relative permittivity A at a frequency of 1 kHz at 30° C. and a relative permittivity B at a frequency of 1 kHz at 150° C. according to the following formula: Rate of change(%)=(B?A)/A×100.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: August 18, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi Kanemura, Eri Mukai, Takeshi Hazama, Tetsuhiro Kodani, Nobuyuki Komatsu, Hisako Nakamura, Kouji Yokotani, Mayuko Tatemichi, Akio Higaki