Controlled release pharmaceutical
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United States of America Patent
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-
Dec 15, 1998
Issued Date -
N/A
app pub date -
Mar 6, 1996
filing date -
Sep 17, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to long-acting pharmaceutical compositions from which the release of the active compound increases exponentially, and to a process for their preparation. The composition, preferably a tablet, comprises a rapid releasing core and a slow-releasing coat surrounding that core.
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