Multilayered controlled-release oral solid pharmaceutical forms
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United States of America Patent
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-
Oct 28, 1997
Grant Date -
N/A
app pub date -
Apr 25, 1995
filing date -
Jul 9, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Multilayered controlled-release solid pharmaceutical composition in tablet form suitable for oral administration comprising at least two layers containing active material in association with excipients and additives. One layer of the tablet releases a portion of the drug quickly while the other layer and optionally further layers release portions of the drug more gradually.
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