Patent · US Expired

Antiwear additives for lubricating oils

US4867892A · kind A · utility

4Cited by
7References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 1987
Grant dateSep 19, 1989
Priority date
Expiry dateDec 28, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/28
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Metal palmitates have been found to give excellent antiwear properties to an engine lubricating oil. They are particularly effective when used in a complex with dimethyl sulfoxide.

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