Directly compressible sustained release excipient
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United States of America Patent
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Feb 19, 1991
Grant Date -
N/A
app pub date -
Sep 19, 1988
filing date -
Sep 19, 1988
priority date (Note) -
Expired
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Abstract
A free-flowing directly compressible granulation useful as a slow release pharmaceutical excipient is disclosed. The excipient includes a hydrodrophilic matrix which includes a heteropolysaccharide and a polysaccharide material capable of cross-linking the heteropolysaccharide, and an inert diluent.
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