Patent · US Expired

Lubricating compositions and methods utilizing hydroxy thioethers

US4031023A · kind A · utility

63Cited by
8References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1976
Grant dateJun 21, 1977
Priority date
Expiry dateFeb 19, 1996

Classification

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

Abstract

Lubricating compositions comprising a major amount of a lubricating oil and a minor amount of at least one additive of the formula: ##STR1## WHEREIN R is a hydrocarbon-based group of up to about 30 carbon atoms and having a valence of m + q; each R' is independently selected from hydrogen and a hydrocarbon-based group of up to about 20 carbon atoms; x and y are independently from 2 to 5; z is from zero to 5; q is from zero to 4 and m is from 1 to 5 with the proviso that m + q is from 1 to 6, have increased resistance to oxidative degradation and anti-wear properties.

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