Flow improvers for crude and residual-containing fuel oils

Details Flow improvers for crude and residual-containing fuel oils Flow improvers for crude and residual-containing fuel oils

1977-09-16

1979-01-23

Douglas, Winston A.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 70, C10L 118

Patent

active

041358872

ABSTRACT:
Copolymers of a 1,2 epoxy alkane and a cyclic carboxylate compound of the class consisting of dicarboxylic acid anhydrides, preferably maleic anhydride or a hydrocarbyl substituted succinic anhydride and a beta lactone, said copolymers having C.sub.10 to C.sub.50, preferably C.sub.20 to C.sub.40, linear, pendant hydrocarbon chains are flow improvers in residual and crude oils.

REFERENCES:
patent: 3382055 (1968-05-01), Jacobson et al.
patent: 3776247 (1973-12-01), Choufoer et al.

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