CAPSULE FOR ORAL ADMINISTRATION EXHIBITING THE POSTPONED IMPULSE RELEASE OF ACTIVE COMPOUND Russian patent published in 1997 - IPC

FIELD: pharmacy. SUBSTANCE: invention proposes a capsule having waterproof surface and at least one hole closed by water-soluble and water-dispersable stopper made of pharmaceutically acceptable material. Preferable capsule is made as a hollow cylinder, its length is 10-30 mm, having a hole at one or both ends. Polyethylene, polypropylene, polymethylmethacrylate, polyvinyl chloride, polystyrene, polyurethanes, polytetrafluoroethylene, nylons, polyformaldehydes, polyesters, cellulose and nitrocellulose acetate were used as waterproof material for capsule making. EFFECT: improved quality and property of capsule. 19 cl, 8 dwg , 6 tbl