Patents Assigned to Shin-Etsu Chemical Industry Co., Ltd.
  • Planographic dry offset master plate
    Patent number: 4020761
    Abstract: A planographic dry offset master plate composed of a substrate and, formed thereon, a crosslinking agent-cured layer of a diorganopolysiloxane in which 5 to 40 mole % of the organic groups directly bonded to silicon atoms are phenyl groups. The master plate is especially suitable for plate-making by an electrostatic process and a direct image process. The resulting printing plate has good durability and are free from scumming during printing.
    Type: Grant
    Filed: December 24, 1975
    Date of Patent: May 3, 1977
    Assignees: Tomoegawa Paper Co., Ltd., Shin-Etsu Chemical Industry Co., Ltd.
    Inventors: Makoto Ogiwara, Kenichi Tanaka, Yukio Kojima, Kohichi Nakamura, Yuji Harazaki, Minoru Takamizawa, Yoshio Inoue, Toshikazu Sugita