Tar Bonded Patents (Class 264/DIG20)
  • Graphitic or carbonaceous moldings and processes for producing the same
    Patent number: 4929404
    Abstract: A graphitic or carbonaceous molding comprising graphite powder and a mesophase-containing pitch is obtained by suspending graphite powder in a tar, heating the suspension while blowing an inert gas therein to form the mesophase-containing pitch on the graphite particles to obtain carbonaceous precursors and molding/carbonizing or graphitizing the carbonaceous precursors.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: May 29, 1990
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Kunimasa Takahashi, Takashi Kameda, Haruo Shibatani