摘要：

An enterically active, controlled release microcapsule is disclosed which includes: (a) an internal phase or capsule core of a continuous matrix of water-soluble polymeric material having finely-divided particles of an active contained material and finely-divided particles of an enteric contained material mixed throughout; and (b) a seamless external coating of capsule wall of a water-insoluble polymeric material which prevents disintegration of the internal phase in aqueous liquids but which is permeable to aqueous solutions.

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