Resinate sustained release dextromethorphan composition
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United States of America Patent
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Nov 29, 1988
Grant Date -
N/A
app pub date -
Dec 9, 1985
filing date -
Dec 9, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pharmaceutical preparation for controlled, sustained release of dextromethorphan comprising a polystyrene sulfonate resin which has been cross-linked with about 3% to about 10% divinyl benzene, having an average particle size of at least 48 .mu.m and less than 100 .mu.m onto which dextromethorphan has been loaded in a ratio of dextromethorphan hydrobromid to resin of about 1:3 to about 1:10 and at least one pharmaceutically acceptable adjuvant.
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