Patent · US Active

Stabilized lubricant compositions

US7829511B2 · kind B2 · utility

0Cited by
15References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 2005
Grant dateNov 9, 2010
Priority date
Expiry dateOct 26, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/25
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A stabilized lubricant composition is disclosed that comprises lubricating oil and a mixture of (a) at least one organophosphite compound and (b) at least one aromatic secondary amine or one substituted phenol or mixtures thereof. The compositions have been found to be highly resistant to oxidation under demanding service conditions and to be useful as turbine lubricants.

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