C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/79
C10M 161/00 (2006.01) C10M 141/10 (2006.01)
Patent
CA 1097320
ABSTRACT OF THE DISCLOSURE A storage stable lubricating composition having improved anti-friction and anti-wear properties is provided by a base oil composition containing an additive combination of (1) a zinc dihydrocarbyl dithiophosphate, (2) an ester of a polycarboxylic acid and a glycol and (3) an ashless dispersant containing a high molecular weight aliphatic hydrocarbon oil solubilizing group attached thereto and wherein either the zinc or ester component or both are predispersed prior to adding them to the lubricating composition.
306197
Shaub Harold
Waddey Walter E.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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