C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
44/20, 402/297,
C10M 159/12 (2006.01) C08G 63/91 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10M 129/95 (2006.01) C10M 133/52 (2006.01)
Patent
CA 1303783
ABSTRACT OF THE DISCLOSURE Poly (C5 - C9 lactone) adducts are made by reacting a C5 - C9 lactone with an aminated hydrocarbyl substituted C4 - C10 monounsaturated dicarboxylic acid producing material, e.g. a polyisobutenyl succinimide, which, in turn, preferably is made by reacting a polymer of a C2 to C10 monoolefin, preferably polyisobutylene, having a molecular weight of about 700 to 5,000 with a C4 to C10 monunsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are about 0.7 to 2.00 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture, and then reacting the substituted acid, anhydride or ester with an amine. The resulting adducts are useful per se as oil soluble dispersant additives. They are also useful in fuel and lubricating oil compositions, as well as in concentrates and additive packages.
548004
Gutierrez Antonio
Lundberg Robert Dean
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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