Complex between carrageenan and a water soluble drug having a specific granulometry and relative controlled release pharamaceutical compositions
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United States of America Patent
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-
Mar 12, 2002
Grant Date -
N/A
app pub date -
Apr 26, 2000
filing date -
Oct 29, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A complex between carrageenan and a water soluble drug characterized in powder form having an average particle size comprised between 10 and 100 .mu.m, and the basic water drug is contained in the complex in amounts ranging from 1.5 and 5 mmol/g carrageenan, a process for preparing this complex and relative controlled release pharmaceutical compositions containing it.
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- Non-US Classification not provided for expired patents
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