Middle distillates of crude oil having improved cold flow...

Details Middle distillates of crude oil having improved cold flow... Middle distillates of crude oil having improved cold flow...

C - Chemistry, Metallurgy

10

L

C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/236 (2006.01) C10L 1/22 (2006.01)

Patent

CA 2055416

ABSTRACT OF THE DISCLOSURE Crude oil middle distillates with improved cold flow properties, containing small amounts of A. conventional flow improver on an ethylene base, and B. copolymers which consist of 10 to 95 mol-% of one or more alkylacrylates or alkylmethacrylates with C1- to C26-alkyl chains, and of 5 to 90 mol-% of one or more ethylenically unsaturated dicarboxylic acids or their anhydrides, where the copolymer is reacted to a large extent with one or several primary or secondary amines into the monoamide or amide/ammonia salt of dicarboxylic acid, and the quantitative proportion of A to B is from 40 to 60 up to 95 to 5. -25-

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