Patents by Inventor Kana TSUMURA

Kana TSUMURA 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: 10829717
    Abstract: The present invention provides a fiber modifier composed of an internal olefin sulfonate having 17 or more and 24 or less carbons.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: November 10, 2020
    Assignee: KAO CORPORATION
    Inventors: Satoshi Morikawa, Kana Tsumura, Ayako Kusunoki, Ayako Sakuraba
  • Publication number: 20200048582
    Abstract: The present invention provides a fiber modifier composed of an internal olefin sulfonate having 17 or more and 24 or less carbons.
    Type: Application
    Filed: October 13, 2017
    Publication date: February 13, 2020
    Applicant: Kao Corporation
    Inventors: Satoshi MORIKAWA, Kana TSUMURA, Ayako KUSUNOKI, Ayako SAKURABA
  • Patent number: 9763871
    Abstract: A hair cosmetic composition comprising the following components (A), (B) and water, having a pH of 6 or less, and the component (B) being dispersed in a water phase: (A) an oxyalkylene polymer represented by formula —(AO)n— wherein A represents a C2-6 alkylene group and n represents a number of 50 to 30,000, provided that n pieces of AO comprise at least two alkyleneoxy groups, which are arranged through either random polymerization or block polymerization; and (B) a polymer comprising a constitutional unit represented by the following formula (b1) and a constitutional unit represented by the following formula (b2), having a weight average molecular weight of 5,000 to 1,000,000, and having an acid value of 5 to 400: —(CH2CR1COOH)—??(b1) —(CH2CR2COOR3)—??(b2) wherein R1 and R2 represent H or CH3, and R3 represents a C1-30 hydrocarbon group.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: September 19, 2017
    Assignee: KAO CORPORATION
    Inventors: Hiroaki Saito, Chie Sakaguchi, Kana Tsumura
  • Publication number: 20160263009
    Abstract: A hair cosmetic composition comprising the following components (A), (B) and water, having a pH of 6 or less, and the component (B) being dispersed in a water phase: (A) an oxyalkylene polymer represented by formula -(AO)n— wherein A represents a C2-6 alkylene group and n represents a number of 50 to 30,000, provided that n pieces of AO comprise at least two alkyleneoxy groups, which are arranged through either random polymerization or block polymerization; and (B) a polymer comprising a constitutional unit represented by the following formula (b1) and a constitutional unit represented by the following formula (b2), having a weight average molecular weight of 5,000 to 1,000,000, and having an acid value of 5 to 400: —(CH2CR1COOH)—??(b1) —(CH2CR2COOR3)—??(b2) wherein R1 and R2 represent H or CH3, and R3 represents a C1-30 hydrocarbon group.
    Type: Application
    Filed: November 11, 2014
    Publication date: September 15, 2016
    Applicant: KAO CORPORATION
    Inventors: Hiroaki SAITO, Chie SAKAGUCHI, Kana TSUMURA