Sustained release of positively charged pharmacologically active molecules from a matrix containing polymers with polarized oxygen atoms
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United States of America Patent
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Issued Date -
Sep 21, 2006
app pub date -
Nov 4, 2004
filing date -
Nov 4, 2003
priority date (Note) -
Abandoned
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Abstract
An oral pharmaceutical composition, comprising one or more positively charged, highly water-soluble pharmaceutically active agents such as trospium chloride, and one or more polymers containing polarized oxygen atoms, whereby the active agent(s) form an ion-dipole interaction with the polymer(s) that may be used for an immediate release system, an extended release system or a delayed release system.
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