Patents Assigned to Dai Nippon Toyo Co. Ltd.
  • Powdery coating composition and process for preparing the same
    Patent number: 4165406
    Abstract: This invention relates to a powdery coating composition having excellent anti caking ability, which comprises polymer particles having an average particle size of 0.5 to 200.mu. composed of a polymer having a softening point not exceeding 90.degree. C. as a core component and polymer having a softening point of at least 100.degree. C. as an outer component covering said core compound, and to a process for the preparation of such powdery coating composition.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: August 21, 1979
    Assignee: Dai Nippon Toyo Co. Ltd.
    Inventors: Hideyoshi Tugukuni, Masafumi Kano