Sustained release dosage forms
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 6, 1988
Grant Date -
N/A
app pub date -
Mar 9, 1987
filing date -
Mar 9, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A unique sustained release dosage form which prevents the tendency of an initial surge of medicament in the first hour of administration. The control is by a porous membrane coating. The amount of initial release can be varied by varying the proportions of the components of the coatings.
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