Patent · US Expired

Grease composition for constant velocity joint

US5487837A · kind A · utility

5Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1994
Grant dateJan 30, 1996
Priority date
Expiry dateDec 29, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2010/12
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A grease composition comprising a grease containing, in a base oil thereof, from 2 to 40% by weight, based on the total composition, of tricalcium phosphate [Ca.sub.3 (PO.sub.4).sub.2 ], the grease further containing (A) from 0.5 to 10% by weight, based on the total composition, of a molybdenum dialkyldithiocarbamate sulfide and (B) from 0.1 to 5% by weight, based on the total composition, of at least one of a zinc dialkyldithiophosphate and triphenyl phosphorothionate. The grease composition is excellent in mechanical stability, heat resistance, extreme pressure properties, and wear resistance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.