Patent · US Expired

Metal deactivator as a lubricant additive

US4487706A · kind A · utility

9Cited by
6References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 15, 1983
Grant dateDec 11, 1984
Priority date
Expiry dateFeb 15, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2219/106
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A metal deactivator especially useful in lubricating oil is made by reacting 2,5-dimercapto-1,3,4-thiadiazole, an olefin and sulfur dichloride in the mole ratio of about 1:0.9-2.5 0.9-2.5.

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