Title:
LUBRICATING OIL COMPOSITION WITH ANTIWEAR PERFORMANCE
Document Type and Number:
WIPO Patent Application WO2004113479
Kind Code:
B1
Abstract:
The present invention relates to a lubricating oil composition containing: (1) an antiwear package comprising: (a) a hydrocarbyl phosphate and amine salt thereof; and (b) an alkylene coupled adduct of a hydrocarbyl substituted dithiophosphoric acid and a a,ß-unsaturated carbonyl containing compound; (2) an antioxidant package comprising: (a) a hydrocarbyl diphenylamine; and (b) a sterically hindered phenol; (3) a metal deactivator; and (4) an oil of lubricating viscosity. The invention further relates to the process to make the lubricating oil composition and its use in industrial fluids especially hydraulic fluids.
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Inventors:
BUTKE BETSY J
Application Number:
PCT/US2004/018801
Publication Date:
March 17, 2005
Filing Date:
June 14, 2004
Export Citation:
Assignee:
LUBRIZOL CORP (US)
International Classes:
C10M141/10; C10M163/00; C10M169/04; (IPC1-7): C10M163/00; C10M141/10; C10M169/04
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