Process for producing solid oral dosage forms with sustained release of active ingredient
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United States of America Patent
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Aug 19, 2008
Grant Date -
Jan 31, 2002
app pub date -
Jun 5, 2001
filing date -
Jun 19, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a process for producing solid oral dosage forms with sustained release of active ingredient, comprising at least one active ingredient, a preformulated mixture of polyvinyl acetate and polyvinylpyrrolidone, where appropriate, water-soluble polymers or lipophilic additives and, where appropriate, other conventional excipients, wherein this mixture or parts of this mixture are granulated by heating to from 40.degree. C. to 130.degree. C., and the granules are, after admixture with conventional excipients, subsequently tabletted.
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