Oil soluble dispersant additives useful in oleaginous...

Details Oil soluble dispersant additives useful in oleaginous... Oil soluble dispersant additives useful in oleaginous...

C - Chemistry, Metallurgy

10

M

253/113, 44/19

C10M 145/16 (2006.01) C08F 8/00 (2006.01) C10L 1/198 (2006.01) C10L 1/22 (2006.01) C10L 1/2383 (2006.01) C10L 1/30 (2006.01) C10M 129/93 (2006.01) C10M 129/95 (2006.01) C10M 133/52 (2006.01) C10M 141/06 (2006.01) C10M 163/00 (2006.01) C10M 167/00 (2006.01)

Patent

CA 1262721

ABSTRACT OF THE DISCLOSURE Hydrocarbyl substituted C4 to C10 monounsa- turated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C2 to C10 monoolefin, preferably polyisobutylene, having a molecular weight of about 1500 to 5,000, preferably with a C4 to C10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are 1.05 to 1.25 dicarboxylic acid pro- ducing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting materials are useful per se as oil additives, or may be further reacted with amines, alcohols, amino alcohols, boric acid, etc. to form dispersants.

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