Unsulfurized, carboxylate-containing additive for...

Details Unsulfurized, carboxylate-containing additive for... Unsulfurized, carboxylate-containing additive for...

C - Chemistry, Metallurgy

10

M

C10M 129/68 (2006.01) C10M 129/00 (2006.01) C10M 141/02 (2006.01) C10M 159/22 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2467640

The present invention provides a novel unsulfurized, carboxylate-containing additive for lubricating oils, comprising a mixture of alkaline earth metal salts (hydrocarbyl phenate/hydrocarbyl salicylate) and a reduced amount of unreacted hydrocarbyl phenols, as well as additive packages, concentrates and finished oil compositions comprising the same. Specifically, it relates to additives comprising said mixture in which said hydrocarbyl salicylate is primarily single-aromatic-ring hydrocarbyl salicylate. The invention also provides a method for producing said additive.

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