Patent · US Expired

Lubricating grease composition containing pyrrolidone derivative as grease thickener

US4253979A · kind A · utility

4Cited by
11References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1979
Grant dateMar 3, 1981
Priority date
Expiry dateFeb 5, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2010/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A grease composition having excellent high temperature and multipurpose properties comprising a lubricating oil and an effective amount of a thickener which is a selected pyrrolidone compound.

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