Patents Assigned to Natsumra Oil Research Corporation
  • Lubricating grease
    Patent number: 5013466
    Abstract: A lubricating grease exhibits good lubricating performance in a hot and high-vacuum environment, and contains an alkyl substituted tetraphenylether as a base oil having incorporated therein bentonite as a thickener and at least one solid lubricant selected from the group consisting of molybdenum disulfide and tungsten disulfide.
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: May 7, 1991
    Assignees: Japan Atomic Energy Research Institute, Natsumra Oil Research Corporation
    Inventors: Kenjiro Obara, Kazuyuki Nakamura, Yoshio Murakami, Takao Soda, Toshihiro Kanie, Tamio Adaka