OSMOTIC TABLET WITH A COMPRESSED OUTER COATING
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United States of America Patent
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Issued Date -
May 6, 2010
app pub date -
Oct 28, 2009
filing date -
Oct 31, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention features a method of manufacturing an osmotic tablet including the steps of (i) compressing a tablet core including a first pharmaceutically active agent and a hydrophilic polymer; (ii) applying an osmotic coating to the outer surface of the tablet core to form a coated tablet, wherein the osmotic coating includes at least one opening exposing the tablet core; and (iii) compressing an immediate release coating onto the surface of the coated tablet, wherein the release coating includes a second pharmaceutically active agent.
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