Patent · US Expired

Sulfurized olefins as antiwear/extreme pressure additives for lubricants and fuels and compositions thereof

US4711736A · kind A · utility

23Cited by
10References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 1986
Grant dateDec 8, 1987
Priority date
Expiry dateFeb 24, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2227/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Reaction products of olefins, elemental sulfur, hydrogen sulfide, water and nitrogen-containing polymers provide multifunctional additives having antiwear/extreme pressure and thermal and oxidative stability characteristics for lubricants and fuels.

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