Patents Assigned to Dal Nippon Tokyo Co., Ltd.
  • Powdery coating composition and process for preparing the same
    Patent number: 4256805
    Abstract: 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 a polymer having a softening point of at least 100.degree. C. as an outer component covering said core component, and to a process for the preparation of such powdery coating composition.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: March 17, 1981
    Assignee: Dal Nippon Tokyo Co., Ltd.
    Inventors: Hideyoshi Tugukuni, Masafumi Kano