Swellable pellets
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United States of America Patent
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-
Nov 21, 1989
Grant Date -
N/A
app pub date -
Feb 2, 1988
filing date -
Feb 3, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Pellets which can be used in liquid oral formulations of drugs are presented. They comprise (a) a core, containing microparticles of at least one pharmaceutically active substance, (b) optionally one or more coating layer(s) and (c) a swellable outer layer. They are manufactured by methods known per se.
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