Once daily calcium channel blocker tablet having a delayed release core
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United States of America Patent
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Jul 13, 1999
Grant Date -
N/A
app pub date -
Jan 31, 1997
filing date -
Jan 31, 1997
priority date (Note) -
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Abstract
A controlled release dosage form which comprises: (a) a homogeneous compressed core which comprises a compressed granulation of: (i) particles of a calcium channel blocker compound coated with an enteric polymer that are dispersed onto a solid pharmaceutical filler; and (b) a continuous compressed outer layer around said homogeneous compressed core which comprises a compressed granulation of: (i) one or more pharmaceutically acceptable polymers which form a hydrogel in which calcium channel blocker compound is dispersed.
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