Patents Assigned to Mitsumaru Chemical & Synthetic Industrial Co., Ltd.
  • Patent number: 4668298
    Abstract: The invention relates to a coating composition containing ceramic components, for preventing high temperature oxidation of graphite electrodes employed in electric furnace steelmaking.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: May 26, 1987
    Assignee: Mitsumaru Chemical & Synthetic Industrial Co., Ltd.
    Inventors: Kazutomi Funahashi, Koichi Yoshii, Yoichi Nakamura, Tatsumi Oshikiri, Hajime Kobayashi