Device for controlled release drug delivery
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United States of America Patent
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Aug 16, 1988
Issued Date -
N/A
app pub date -
Apr 9, 1986
filing date -
Nov 15, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for the controlled release and delivery of a pharmacologically active agent, comprising a vinyl gel layer and a pharmacologically active agent uniformly dispersed in the layer in a pharmacologically effective amount, the vinyl layer comprising an emulsion polymerized polyvinyl chloride resin, a primary plasticizer for the polyvinyl chloride resin, and an organic, nonvolatile gel forming additive in an amount sufficient to form a gel.
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