Patents Assigned to Koyodo Yushi Co., Ltd.
  • Patent number: 6444621
    Abstract: A grease composition for steering of motorcars which comprises the following components (a) to (f): (a) a thickening agent; (b) a base oil having a pour point of not higher that −40° C.; (c) an organic molybdenum compound; (d) melamine cyanurate; (e) polytetrafluoroethylene; and (f) molybdenum disulfide. The grease composition has load resistance, or seizure-preventing ability and wear-reducing ability high enough to use the grease under severe lubricating conditions, and can impart, to the steering of motorcars, excellent operability at a low temperature.
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: September 3, 2002
    Assignees: Koyodo Yushi Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Okaniwa, Akira Taniguchi, Fumio Ueda