Patents Assigned to SAKAMOTO YAKUHIN KOGYO CO., LTD.
  • (POLY) GLYCEROL-BASED ALKOXYSILANE
    Publication number: 20210147634
    Abstract: A (poly)glycerol-based alkoxysilane having a (poly)glycerol skeleton with an average polymerization degree of 1 to 100, and a plurality of alkoxysilyl groups at a terminal is provided as a novel material capable of imparting sustainable anti-fogging properties to a base material such as glass.
    Type: Application
    Filed: November 19, 2020
    Publication date: May 20, 2021
    Applicant: SAKAMOTO YAKUHIN KOGYO CO., LTD.
    Inventors: Shiori HARADA, Hikaru OGAWA, Yukiko TANIHATA, Kimihiro MATSUKAWA
  • Powder dispersant, and powder dispersion composition and cosmetic product containing the same
    Patent number: 10398638
    Abstract: A powder dispersant includes an ester compound of a polyglycerol having an average degree of polymerization of the polyglycerol, calculated from its hydroxyl value, in the range 2 to 20, a monovalent carboxylic acid or at least one derivative thereof, and a divalent carboxylic acid or at least one derivative thereof.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: September 3, 2019
    Assignee: SAKAMOTO YAKUHIN KOGYO CO., LTD.
    Inventors: Ryosuke Toyoshima, Takeshi Yamada
  • POWDER DISPERSANT, AND POWDER DISPERSION COMPOSITION AND COSMETIC PRODUCT CONTAINING THE SAME
    Publication number: 20170216187
    Abstract: A powder dispersant includes an ester compound of a polyglycerol having an average degree of polymerization of the polyglycerol, calculated from its hydroxyl value, in the range 2 to 20, a monovalent carboxylic acid or at least one derivative thereof, and a divalent carboxylic acid or at least one derivative thereof.
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Applicant: SAKAMOTO YAKUHIN KOGYO CO., LTD.
    Inventors: Ryosuke TOYOSHIMA, Takeshi YAMADA