Extended release pharmaceutical formulations
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United States of America Patent
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Aug 29, 1995
Issued Date -
N/A
app pub date -
Jun 15, 1992
filing date -
May 5, 1989
priority date (Note) -
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Abstract
An extended release pharmaceutical formulation adapted to approach zero order release of drug over a 12 to at least 24 hour period, comprised of a mixture of 0 to about 50% of an immediate release particle containing a drug, inert substrate and binder, coated with talc and up to 100% of an extended release particle comprising the immediate release particle coated with a dissolution modifying system containing plasticizers and a film forming agent.
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