Patents by Inventor Yuki TAKAMACHI

Yuki TAKAMACHI 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).

  • COPOLYMER, DISPERSANT, AND DISPERSION COMPOSITION
    Publication number: 20200199277
    Abstract: Provided is a copolymer that can be used as a dispersant having high dispersibility and high slump retention capability. A copolymer according to an embodiment is a water-soluble copolymer that contains, as constituent monomers, at least one monomer selected from a monomer (A) represented by formula (1) and a monomer (B) represented by formula (2), and at least one monomer (C) selected from an unsaturated carboxylic acid monomer (C-1) and an oxyethylene group-containing unsaturated carboxylic acid ester (C-2). The content of the monomer (C) is 20 mass % or more and 99 mass % or less.
    Type: Application
    Filed: September 15, 2018
    Publication date: June 25, 2020
    Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD
    Inventors: Masatake JOYABU, Kei SHIOHARA, Asako OGASAWARA, Takuro KIMURA, Chi TAO, Yuki TAKAMACHI