Film-forming composition; method of producing same and use for c

Details Film-forming composition; method of producing same and use for c Film-forming composition; method of producing same and use for c

1991-09-23

1993-11-02

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524386, 424474, 424475, 424476, 424481, 424482, 424439, 424479, 424480, C08K 505

Patent

active

052584364

ABSTRACT:
A water dispersible polymeric film-forming particulate composition for use in coating pharmaceuticals and foods or the like, produced by freeze-drying an aqueous solution of water-soluble cellulose acetate as the film-forming polymer, a plasticizer, and optionally a pigment, is described. The product mixes readily with water to form an aqueous dispersion which is applied in the conventional manner to solid pharmaceutical forms.

REFERENCES:
patent: 3981984 (1976-09-01), Signorino
patent: 4138013 (1979-02-01), Okajima
patent: 4330338 (1982-05-01), Banker
patent: 4683256 (1987-07-01), Porter et al.
patent: 4816298 (1989-03-01), Alderman et al.
patent: 4960814 (1990-10-01), Wu et al.
patent: 4968350 (1990-11-01), Bindschaedler et al.

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