Patent · US Expired

Antiwear compositions containing phosphorus compounds and olefins

US5792733A · kind A · utility

10Cited by
11References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 1997
Grant dateAug 11, 1998
Priority date
Expiry dateAug 14, 2017

Classification

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

Abstract

A composition of an oil of lubricating viscosity, a phosphorus compound represented by the formula ##STR1## and tautomers thereof, where each X is independently O or S, and an olefin of about 6 to about 30 carbon atoms exhibits improved antiwear performance.

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