Controlled release tablet

Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...

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Details

424 21, 424 22, 424 32, 424 33, 424 35, A61K 922, A61K 924, A61K 932, A61K 936

Patent

active

042527864

ABSTRACT:
The rate of release of medicament from a controlled release tablet having a polymeric vinylpyrrolidonecarboxyvinyl hydrophilic core is improved by coating the medicament-containing core with a substantially insoluble rupturable film which is water permeable.

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