Alkenyl succinimides as luboil additives

Details Alkenyl succinimides as luboil additives Alkenyl succinimides as luboil additives

C - Chemistry, Metallurgy

07

D

C07D 207/412 (2006.01) C08F 8/32 (2006.01) C10M 133/56 (2006.01) C10M 149/06 (2006.01)

Patent

CA 2057273

The invention provides alkenyl succinimide derivatives, useful as dispersant additives in lubricating oil compositions, having an alkenyl group derived from an atactic propylene oligomer substantially of the formula Image where n is in the range 15 to 120, having number average molecular weight (M n) in the range 700 to 5000, and molar ratio succinic acid moieties : atactic propylene oligomer in the range 1:1 to 1.5:1, wherein the succinimide is derived from a C1-50 amine; a process for their preparation; and lubricating compositions containing them.

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