Opioid polymer release system
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United States of America Patent
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Jul 18, 2017
Issued Date -
N/A
app pub date -
Jul 15, 2014
filing date -
Sep 21, 2001
priority date (Note) -
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Abstract
A pharmaceutical composition for controlled release of an active substance is provided. The active substance is released into an aqueous medium by erosion of at least one surface of the composition. The composition comprises i) a matrix comprising a) polymer or a mixture of polymers, b) an active substance and, optionally, c) one or more pharmaceutically acceptable excipients, and ii) a coating.
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