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).

  • 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
  • Publication number: 20200243911
    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: Application
    Filed: July 31, 2018
    Publication date: July 30, 2020
    Applicant: 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
  • Publication number: 20200203769
    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: Application
    Filed: July 12, 2018
    Publication date: June 25, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako NAKAMURA, Shigeaki YAMAZAKI, Kenzou TAKAHASHI, Yuuki SUZUKI, Akiyoshi YAMAUCHI, Kotaro HAYASHI
  • Patent number: 10640594
    Abstract: Disclosed is a fluorine-containing composition which contains a fluorine-containing polymer that has repeating units respectively derived from (A) a fluorine-containing monomer that is an alpha-chloroacrylate having a fluoroalkyl group, (B) a monomer that has a linear or branched hydrocarbon group but does not have a fluoroalkyl group, and (C) a monomer that has a cyclic hydrocarbon group but does not have a fluoroalkyl group. This fluorine-containing composition is capable of providing a base such as a fiber product with excellent water repellency, especially strong water repellency.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 5, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shinichi Minami, Masaki Fukumori, Tetsuya Uehara, Hisako Nakamura, Ikuo Yamamoto
  • Patent number: 10077327
    Abstract: A water- and oil-repellent agent is an aqueous emulsion containing: (I) a fluorine-containing copolymer, (II) a surfactant, and (III) an aqueous medium. The fluorine-containing copolymer contains repeating units derived from (a) a fluorine-containing monomer containing a fluoroalkyl group having 1 to 6 carbon atoms and (b) a fluorine-free monomer selected from the group consisting of vinyl halide and vinylidene halide, wherein the fluorine-containing copolymer has a melt viscosity of 1,000 to 100,000 cP at a temperature of 100° C. under a load of 25 kgf/cm2.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: September 18, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako Nakamura, Mitsuhiro Usugaya, Takashi Enomoto
  • Publication number: 20180223059
    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: Application
    Filed: July 13, 2016
    Publication date: August 9, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi KANEMURA, Eri MUKAI, Takeshi HAZAMA, Tetsuhiro KODANI, Nobuyuki KOMATSU, Hisako NAKAMURA, Kouji YOKOTANI, Mayuko TATEMICHI, Akio HIGAKI
  • Patent number: 9945069
    Abstract: A textile having high fluorine adhesion rate, and excellent water- and oil-repellency can be obtained by a method of producing a treated textile, comprising steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent which comprises at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer or a fluorine-containing low molecular weight compound, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the treatment liquid comprises a thermally gelling substance.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: April 17, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako Nakamura, Mitsuhiro Usugaya
  • Publication number: 20150368413
    Abstract: The present invention aims to provide a film having a high dielectric constant and a low dissipation factor. The high dielectric film of the present invention includes a vinylidene fluoride/tetrafluoroethylene copolymer (A) with a mole ratio (vinylidene fluoride)/(tetrafluoroethylene) of 95/5 to 80/20. The film includes an ?-crystal structure and a ?-crystal structure. The ratio of the ?-crystal structure is 50% or more.
    Type: Application
    Filed: October 16, 2013
    Publication date: December 24, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Mayuko TATEMICHI, Miharu OTA, Kouji YOKOTANI, Nobuyuki KOMATSU, Hisako NAKAMURA, Fumiko SHIGENAI, Takeshi HAZAMA, Masakazu KINOSHITA, Meiten KOH, Takuji ISHIKAWA, Takashi IGUCHI, Kazunobu UCHIDA, Tomoyuki FUKATANI, Takahiro KITAHARA, Tetsuhiro KODANI
  • Publication number: 20150332855
    Abstract: The present invention aims to provide a multilayer film which can increase the capacitance. The present invention relates to a multilayer film including a first electrode layer, a resin substrate, a second electrode layer, and a dielectric layer stacked in the order set forth. The dielectric layer includes a vinylidene fluoride/tetrafluoroethylene copolymer (A). The copolymer (A) satisfies a mole ratio (vinylidene fluoride)/(tetrafluoroethylene) of 97/3 to 60/40.
    Type: Application
    Filed: November 14, 2013
    Publication date: November 19, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Meiten KOH, Nobuyuki KOMATSU, Takeshi HAZAMA, Hisako NAKAMURA, Kouji YOKOTANI, Miharu OTA, Fumiko SHIGENAI, Mayuko TATEMICHI, Masakazu KINOSHITA
  • Publication number: 20140364028
    Abstract: Disclosed is a fluorine-containing composition which contains a fluorine-containing polymer that has repeating units respectively derived from (A) a fluorine-containing monomer that is an alpha-chloroacrylate having a fluoroalkyl group, (B) a monomer that has a linear or branched hydrocarbon group but does not have a fluoroalkyl group, and (C) a monomer that has a cyclic hydrocarbon group but does not have a fluoroalkyl group. This fluorine-containing composition is capable of providing a base such as a fiber product with excellent water repellency, especially strong water repellency.
    Type: Application
    Filed: December 12, 2012
    Publication date: December 11, 2014
    Inventors: Shinichi Minami, Masaki Fukumori, Tetsuya Uehara, Hisako Nakamura, Ikuo Yamamoto
  • Publication number: 20130017744
    Abstract: A repellent composition including an aqueous continuous phase and a graft copolymer dispersed in the aqueous continuous phase. The graft copolymer has a water soluble polymer trunk having hydroxyl groups and a branch having a C6-perfluoroalkyl group bonded to the polymer trunk at a carbon atom substituted with the hydroxyl group. Also disclosed is a method of making the graft copolymer and a substrate treated with the repellent composition.
    Type: Application
    Filed: March 29, 2011
    Publication date: January 17, 2013
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako Nakamura, Takashi Enomoto, Anthony A. Parker, Joseph J. Marcinko, Franklin A. Adamsky, Bradley H. Hartong
  • Publication number: 20110028059
    Abstract: A water- and oil-repellent agent is an aqueous emulsion containing: (I) a fluorine-containing copolymer, (II) a surfactant, and (III) an aqueous medium. The fluorine-containing copolymer contains repeating units derived from (a) a fluorine-containing monomer containing a fluoroalkyl group having 1 to 6 carbon atoms and (b) a fluorine-free monomer selected from the group consisting of vinyl halide and vinylidene halide, wherein the fluorine-containing copolymer has a melt viscosity of 1,000 to 100,000 cP at a temperature of 100° C. under a load of 25 kgf/cm2.
    Type: Application
    Filed: March 27, 2009
    Publication date: February 3, 2011
    Inventors: Hisako Nakamura, Mitsuhiro Usugaya, Takashi Enomoto
  • Publication number: 20110020591
    Abstract: A textile having high fluorine adhesion rate, and excellent water- and oil-repellency can be obtained by a method of producing a treated textile, comprising steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent which comprises at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer or a fluorine-containing low molecular weight compound, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the treatment liquid comprises a thermally gelling substance and a salt.
    Type: Application
    Filed: March 27, 2009
    Publication date: January 27, 2011
    Applicant: DAIKIN INDUSSRIES, LTD.
    Inventors: Hisako Nakamura, Mitsuhiro Usugaya
  • Publication number: 20110021099
    Abstract: A water- and oil-repellent agent is an aqueous emulsion containing a fluorine-containing polymer. The fluorine-containing polymer comprises (a) a fluorine-containing monomer, and (b) a crosslinkable monomer, wherein the monomers (a) and (b) are polymerized in the presence of a chain transfer agent to produce the fluorine-containing polymer.
    Type: Application
    Filed: March 27, 2009
    Publication date: January 27, 2011
    Inventors: Hisako Nakamura, Mitsuhiro Usugaya, Ryousuke Hara
  • Publication number: 20100316835
    Abstract: A textile having high fluorine adhesion rate, and excellent water- and oil-repellency can be obtained by a method of producing a treated textile, comprising steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent which comprises at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer or a fluorine-containing low molecular weight compound, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the treatment liquid comprises a thermally gelling substance.
    Type: Application
    Filed: October 17, 2007
    Publication date: December 16, 2010
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako Nakamura, Mitsuhiro Usugaya