Sustained release pharmaceutical compositions
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United States of America Patent
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-
Nov 27, 1990
Grant Date -
N/A
app pub date -
Jun 26, 1989
filing date -
Jun 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sustained release oral pharmaceutical composition consists essentially of a recompressed mixture of a water-sensitive pharmaceutical agent, a high molecular weight hydrophilic cellulose polymer, and a lubricant. The mixture is compressed into a unitary mass, comminuted, and recompressed into tablets without the use of solvents.
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