Lubricating oil composition

C - Chemistry – Metallurgy – 10 – M

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C10M 135/00 (2006.01) C10M 135/02 (2006.01) C10M 141/10 (2006.01) C10M 163/00 (2006.01)

Patent

CA 1325420

LUBRICATING OIL COMPOSITIONS Abstract Lubricant compositions comprising a major amount of an oil of lubricating viscosity and a minor amount of a cosulfurized blend comprising (a) a carboxylic acid ester material and either (b) an ester, amide, ester-amide, or fatty amine derivative which contains at least one polar substituent group, wherein said ester, amide or ester-amide derivative is derived from an organic acid selected from dialkyl phosphorus acids, dialkyl thiophosphorus acids, and alkylsulfonic acids or (c) an amide derived from a fatty acid and a polyamine.

593343

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