Dialkyl fumarate - vinyl acetate copolymers useful as dewaxing a

Details Dialkyl fumarate - vinyl acetate copolymers useful as dewaxing a Dialkyl fumarate - vinyl acetate copolymers useful as dewaxing a

1986-12-19

1990-09-11

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

208 33, 526325, C07C 6960

Patent

active

049564927

ABSTRACT:
Copolymers of dialkyl fumarate and vinyl acetate having Specific Viscosities of at least 2.5 at 2% polymer concentration in xylene at 40.degree. C., and wherein at least 50 wt. % of said alkyl groups are C.sub.20 to C.sub.24, are useful as dewaxing aids, particularly in propane dewaxing.

REFERENCES:
patent: 3729296 (1973-04-01), Miller
patent: 3765849 (1973-10-01), Ilnyckyj et al.
patent: 4377647 (1983-03-01), Durbin et al.
patent: 4470421 (1984-09-01), Southwick et al.
patent: 4515974 (1985-05-01), Zecher et al.

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