Soluble form osmotic dose delivery system
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United States of America Patent
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-
Feb 4, 2003
Grant Date -
Aug 1, 2002
app pub date -
Dec 28, 2001
filing date -
Oct 25, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is an osmotic pharmaceutical delivery system comprising (a) a semi-permeable wall that maintains its integrity during pharmaceutical delivery and which has at least one passage therethrough; b) a single, homogeneous composition within said wall, which composition consists essentially of (i) a pharmaceutically active agent, (ii) at least one non-swelling solubilizing agent which enhances the solubility of the pharmaceutically active agent; (iii) at least one non-swelling osmotic agent and (iv) a non-swelling wicking agent dispersed throughout the composition which enhances the surface area contact of the pharmaceutical agent with the incoming aqueous fluid.
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