Chlorine-free lubricating oils having modified high...

Details Chlorine-free lubricating oils having modified high... Chlorine-free lubricating oils having modified high...

C - Chemistry, Metallurgy

10

M

C10M 159/12 (2006.01) C10M 133/36 (2006.01) C10M 141/00 (2006.01) C10M 149/00 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2133511

Alkenyl or alkyl succinimide additives which are the reaction product of a high molecular weight alkenyl- or alkyl-substituted succinic anhydride and a polyalkylene polyamine having an average of greater than 4 nitrogen atoms per mole, wherein the reaction product is post-treated with a cyclic carbonate, are compatible with fluoroelastomer engine seals and, for concentration levels at which fluoroelastomer seal compatibility is achieved, possess improved dispersancy and/or detergency properties when employed in chlorine-free lubricating oils.

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