Patent · US Expired

Lubricating oil composition

US5719109A · kind A · utility

29Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1996
Grant dateFeb 17, 1998
Priority date
Expiry dateNov 12, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/28
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a lubricating oil composition excellent in wear-resistant properties and frictional characteristics. The present invention relates to a lubricating oil composition containing a lubricating base oil PA1 (A) a complex obtained by reacting a metallic salt of dithiophosphoric acid having lipophilic groups, the average number of the carbon atoms of which is 4 or more, with a primary alkylamine having 8 or less carbon atoms, and PA1 (B) at least one kind of compound selected from the group consisting of oxymolybdenum sulfide dithiocarbamate, oxymolybdenum sulfide organophosphorodithioate, fatty esters, and organic amides.

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