| 摘要 |
1281772 Coated capsules SANOL-ARZNEIMITTEL DR SCHWARZ GmbH 13 May 1970 [14 May 1969] 23150/70 Heading B8C [Also in Division A5] Enteric capsules are made by spray coating a normal, filled gelatine capsule firstly with a primary coating containing, as film-forming material, a mixture of cellulose acetate phthalate and at least one of: polyvinyl pyrrolidone of M.W. 10<SP>4</SP>-10<SP>6</SP>, hydroxymethyl propyl cellulose and carboxyvinyl polymers of M.W. c. 2 x 10<SP>6</SP>, and then with a secondary coating to produce an outer layer containing cellulose acetate phthalate as sole film-former. |
