Method for coating active principles with a pH-sensitive polymer

Details Method for coating active principles with a pH-sensitive polymer Method for coating active principles with a pH-sensitive polymer

1991-03-08

1993-07-06

Beck, Shrive

Coating processes

Fraud or tamper detecting

427212, 427421, 426656, A61K 926

Patent

active

052252388

ABSTRACT:
A new method of coating an active principle which comprises the step of coating an active principle with an aqueous emulsion or dispersion containing one or more pH-sensitive polymers.

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