Process for preparing polymeric dispersants having...

Details Process for preparing polymeric dispersants having... Process for preparing polymeric dispersants having...

C - Chemistry, Metallurgy

08

F

402/310, 400/656

C08F 222/02 (2006.01) C07C 51/353 (2006.01) C08F 8/46 (2006.01) C08F 222/04 (2006.01) C08F 255/08 (2006.01) C10L 1/236 (2006.01) C10L 1/2383 (2006.01) C10M 129/93 (2006.01) C10M 133/56 (2006.01)

Patent

CA 1340359

A process for preparing an oligomeric copolymer of an unsaturated acidic reactant and a high molecular weight olefin having a sufficient number of carbon atoms such that the resulting copolymer is soluble in lubricating oil and wherein at least 20 weight percent of the total olefin comprises an alkylvinylidene isomer, which process comprises reacting the high molecular weight olefin with the unsaturated acidic reactant in the presence of a solvent which comprises the reaction product of an unsaturated acidic reactant and a high molecular weight olefin.

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