Low sulfur metal detergent-dispersants

Details Low sulfur metal detergent-dispersants Low sulfur metal detergent-dispersants

C - Chemistry, Metallurgy

07

F

C07F 3/04 (2006.01) C07F 1/04 (2006.01) C07F 1/06 (2006.01) C07F 3/02 (2006.01) C10M 129/54 (2006.01)

Patent

CA 2551702

A process for preparing alkylhydroxybenzoate detergent-dispersant additives having low sulfur content and high TBN is described. The alkali metal alkylhydroxylbenzoate, alkaline earth metal alkylhydroxybenzoate and overbased alkaline earth metal alkylhydroxybenzoate reaction products described have a sulfur content in the range of from about 0.1 to 1.2 wt % are effective anti-corrosive detergent-dispersant additives in lubricating oil compositions.

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