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Controlled-Release PH Sensitive Capsule and Adhesive System and Method

Abstract: 

A capsule and method for delivery for an active ingredient in the oral cavity that has a pH sensitive encapsulant shell and is associated with an adhesive. The pH sensitive shell dissolves at a pH in the oral cavity while the adhesive allows dissolution at the selected tissue.

Patent Number: 
5,364,634
Date Of Issue: 
11/15/1994
Inventors: 

Chel W. Lew;