Patent · US Expired

Lubricant additive

US4188297A · kind A · utility

10Cited by
3References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 1978
Grant dateFeb 12, 1980
Priority date—
Expiry dateJul 12, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2070/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Lubricant additives having antioxidant and antiwear properties are made by reacting an oolefin such as dicyclopentadiene with sulfur and a mercaptan.

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