Patents Assigned to Onomichi Kumika K.K.
  • Synthetic resin composition
    Patent number: 4338241
    Abstract: A synthetic resin composition comprises a resin and a sintering granular clay mineral prepared by coating core particles with fine clay mineral and sintered the coated mineral particles.
    Type: Grant
    Filed: September 6, 1979
    Date of Patent: July 6, 1982
    Assignee: Onomichi Kumika K.K.
    Inventors: Hideo Ito, Issei Ueda, Yasuo Morinibu, Michitomo Takeyasu