Method of film-coating hard capsules

Details Method of film-coating hard capsules Method of film-coating hard capsules

1986-02-14

1987-06-02

Silverberg, Sam

Coating processes

Fraud or tamper detecting

424463, A96B 602

Patent

active

046702873

ABSTRACT:
A method of film-coating hard capsules is provided which comprises subjecting, drug-filled hard capsules to a vacuum to remove air entrapped therein and then coating the evacuated capsules while under a vacuum with a film-forming substance which is selectively soluble in the digestive juice, e.g., an enteric coating agent, e.g., hydroxypropylmethylcellulose phthalate.

REFERENCES:
patent: 3900583 (1975-08-01), Terry
patent: 4118522 (1978-10-01), Stellmach

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