Gastric juice resistant gelatin capsules and a process for the p

Details Gastric juice resistant gelatin capsules and a process for the p Gastric juice resistant gelatin capsules and a process for the p

1974-08-08

1976-05-25

Husack, Ralph

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

424 33, 427 3, 427407, 428407, 428474, 428520, A61K 958

Patent

active

039595404

ABSTRACT:
Gastric juice resistant gelatin capsules characterized by a gastric juice resistant outer coating of an anionic polymerizate of methacrylic acid and acrylic acid esters and an intermediate layer between the outer layer and the gelatin shell of a cationic polymerizate of di-lower alkylamino lower alkylmethyl acrylate with other neutral methacrylic esters and a process for preparing the same.

REFERENCES:
patent: 3070509 (1962-12-01), Volker et al.
patent: 3592945 (1971-07-01), Engelking
patent: 3656997 (1972-04-01), Cordes

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