04670287 is referenced by 35 patents and cites 4 patents.

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.

Title
Method of film-coating hard capsules
Application Number
6/829267
Publication Number
4670287
Application Date
February 14, 1986
Publication Date
June 2, 1987
Inventor
Shinjiro Tsuji
Sakai
JP
Agent
Millen & White
Assignee
Washu Kirai Kogyo Kabushiki Kaisha
JP
IPC
A96B 6/02
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