Patent · US Expired

Sulfurized compositions

US4119550A · kind A · utility

58Cited by
3References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 1977
Grant dateOct 10, 1978
Priority date—
Expiry dateJul 11, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/582
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Sulfurized compositions are prepared by the reaction of unsaturated compounds and a mixture of sulfur and hydrogen sulfide under superatmospheric pressure, followed by removal of low boiling materials. They are useful as lubricant additives.

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