Patents Assigned to Takemoto Yushi Kabushiki Kaisha & Teijin Seiki Co., Ltd.
  • Photocurable resin compositions for plastic molds
    Patent number: 5929130
    Abstract: Photocurable resin compositions capable of producing plastic molds with improved durability by stereolithography in the presence of a photoinitiator includes unsaturated urethane of a specified kind, vinyl monomer of a specified kind, a filler and salt of phosphoric acid ester of specified kinds at a specified ratio.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: July 27, 1999
    Assignee: Takemoto Yushi Kabushiki Kaisha & Teijin Seiki Co., Ltd.
    Inventors: Toshiharu Suzuki, Tatsuhiko Ozaki, Hirokazu Matsueda, Yorikazu Tamura, Tsuneo Hagiwara