Oral sustained-release preparation

Details Oral sustained-release preparation Oral sustained-release preparation

A - Human Necessities

61

K

A61K 9/50 (2006.01) A61K 9/16 (2006.01) A61K 31/4164 (2006.01) A61K 31/4184 (2006.01) A61K 31/4192 (2006.01) A61K 31/4196 (2006.01)

Patent

CA 2197327

A microcapsule comprising a physiologically active substance which is water- soluble at a pH no higher than about 3, and a biodegradable polymer. A process for producing the microcapsule is also provided.

Microcapsule comprenant une substance physiologiquement active, hydrosoluble à un pH de 3 maximum, et un polymère biodégradable. Un procédé de production de ladite microcapsule est également décrit.

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