The use of dialkyl fumarate-vinyl acetate copolymers as dewaxing

Details The use of dialkyl fumarate-vinyl acetate copolymers as dewaxing The use of dialkyl fumarate-vinyl acetate copolymers as dewaxing

1984-03-14

1987-06-02

Caldarola, Glenn

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

208 31, C10G 7304

Patent

active

046701303

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.

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