Gasoline compositions

Details Gasoline compositions Gasoline compositions

C - Chemistry, Metallurgy

10

L

C10L 1/22 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01)

Patent

CA 2105805

A B S T R A C T GASOLINE COMPOSITIONS The invention provides gasoline compositions and gasoline additive concentrates containing an additive, useful in reducing intake valve deposits, obtained by reacting at least one amine, with a polyalkenyl derivative of a monoethylenically unsaturated C4-C10 dicarboxylic acid material in which the ratio of dicarboxylic acid moieties per polyalkenyl chain is not greater than 1.2:1 and the number average molecular weight (M ) of the polyalkenyl chain is in the range from 1600 to 5000.

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