MULTI-LAYERED RELEASE FORMULATION
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Aug 30, 2012
filing date -
Aug 30, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention in general relates to a pharmaceutical dosage form comprising a multi-layered release formulation formed by co-extrusion. Said formulation in particular comprises a core layer comprising at least one polymer selected from polycaprolactone, ethylcellulose, or combinations thereof; and a coat layer comprising at least one (co)polymer selected from the list comprising: polyethylene oxide; polyethylene glycol; Basic Butylated Methacrylate (co)polymer; a (co)polymer of polyvinylcaprolactam, PEG and polyvinylacetate; or combinations thereof.
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