Dewaxing process

Details Dewaxing process Dewaxing process

C - Chemistry, Metallurgy

10

G

C10G 73/04 (2006.01)

Patent

CA 2053781

T 1594 A B S T R A C T DEWAXING PROCESS Wax-containing hydrocarbon oils are dewaxed by precipitation and separation of the wax from the oil, wherein the precipitation is carried out in the presence of: a) linear polymers of carbon monoxide with one or more olefins which consist at least partly of .alpha.-olefins with at least 10 carbon atoms per molecule (C10+ .alpha.-olefins), in which polymers the units from carbon monoxide on the one hand and the units from the olefins on the other hand are present in a substantially alternating arrangement, and if desired additionally b) polymers from one or more olefinically unsaturated compounds which consist at least partly of alkyl acrylates or alkyl methacrylates with at least 8 carbon atoms in the alkyl group (C8+ alkyl esters).

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