Invention Grant
US4902435A Grease with calcium soap and polyurea thickener 失效
用钙皂和聚脲增稠剂润滑脂

  • Patent Title: Grease with calcium soap and polyurea thickener
  • Patent Title (中): 用钙皂和聚脲增稠剂润滑脂
  • Application No.: US223268
    Application Date: 1988-07-22
  • Publication No.: US4902435A
    Publication Date: 1990-02-20
  • Inventor: John A. Waynick
  • Applicant: John A. Waynick
  • Applicant Address: IL Chicago
  • Assignee: Amoco Corporation
  • Current Assignee: Amoco Corporation
  • Current Assignee Address: IL Chicago
  • Main IPC: C10M169/06
  • IPC: C10M169/06
Grease with calcium soap and polyurea thickener
Abstract:
A high performance lubricating grease effectively lubricates and greases front-wheel drive joints. The front-wheel drive grease has excellent extreme pressure properties and antiwear qualities and is economical, non-toxic and safe. In one preferred form, the front-wheel drive grease comprises a base oil, a thickener comprising polyurea and calcium complex soap, and an additive package comprising tricalcium phosphate and calcium carbonate.
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