Patent · US Expired

Synergistic organomolybdenum compositions and lubricating compositons containing the same

US6369005B1 · kind B1 · utility

4Cited by
20References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 11, 2000
Grant dateApr 9, 2002
Priority date
Expiry dateJan 11, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/255
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to synergistic antiwear compositions comprising an organomolybdenum complex and an organic sulfur compound selected from 2,5-dimercapto-1,3,4-thiadiazole derivatives, bisdithiocarbamate esters, metal dithiocarbamates, metal phosphorodithioates and phosphorodithioate esters. The organomolybdenum complex is a reaction product prepared by reacting 1 mole fatty oil, 1.0 to 2.5 moles diethanolamine and a molybdenum source.Lubricating compositions containing the synergistic compositions possess good antiwear properties and improved oxidation stability.

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