Patent · US Expired

Lubricating oil compositions

US6211123A · kind A · utility

6Cited by
14References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1999
Grant dateApr 3, 2001
Priority date
Expiry dateJun 17, 2019

Classification

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

Abstract

A lubricating oil composition is provided comprising a major amount of an oil of lubricating viscosity and a minor amount of, as an additive, at least one compound comprising a trinuclear tungsten core and bonded thereto a ligand or ligands capable of rendering the compound oil-soluble or oil-dispersible.

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