Patent · US Expired

Lubricating grease composition

US5624889A · kind A · utility

4Cited by
5References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1995
Grant dateApr 29, 1997
Priority date
Expiry dateNov 30, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/50
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A lubricating grease composition includes a grease containing a base oil and a thickening agent consisting of a mixture of tricalcium phosphate represented by the formula EQU Ca.sub.3 (PO.sub.4).sub.2 and a urea compound and, incorporated as additives in the grease, (A) a sulfurized molybdenum dialkyldithiocarbamate represented by the formula ##STR1## wherein R.sup.1 and R.sup.2 each independently represents a group selected from the group consisting of alkyl groups having from 1 to 24 carbon atoms; m is 0 or an integer of from 1 to 3; and n is an integer of from 1 to 4; provided that m+n=4, and (B) triphenyl phosphorothionate represented by the formula ##STR2##

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