Controlled release pharmaceutical preparations
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United States of America Patent
Stats
-
Jul 11, 1989
Issued Date -
N/A
app pub date -
Jan 27, 1987
filing date -
Jul 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Controlled release pharmaceutical preparations containing coated sulfonic acid cationic exchange resin drug complex particles, the resin particles having been treated, prior to coating, with about 15 to 25% by weight of glycerin, based on the combined weight of the glycerin and the drug resin complex particles.
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Family
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