Formulation for preparing sustained release drugs for oral administration
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United States of America Patent
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-
Sep 10, 1991
Issued Date -
N/A
app pub date -
Feb 8, 1989
filing date -
Mar 7, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Pharmaceutical formulations are disclosed, adapted for preparing solid oral dosage forms (tablets, capsules, lozenges, etc.) having a regular and sustained release after administration. Said formulations comprise one or more active substances and a retarding base or matrix consisting of a polysaccharide of natural origin, alone or mixed with one or more natural or synthetic polymers which may be used to modify the release pattern so as to obtain a therapeutically effective formulation.
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