Sustained release drug delivery system
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United States of America Patent
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-
Jul 7, 1992
Issued Date -
N/A
app pub date -
Aug 17, 1989
filing date -
Feb 3, 1986
priority date (Note) -
Expired
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Abstract
A controlled release formulation comprising an adsorbate of a mixture of a pharmaceutically useful active ingredient and an inactive substance adsorbed on a cross-linked polymer. The inactive substance is selected to modify the dissolution of the active ingredient from the cross-linked polymer in vivo.
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