Method for releasing nanosized particles of an active substance from a diffusion-controlled pharmaceutical composition for oral use
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United States of America Patent
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Issued Date -
Nov 20, 2003
app pub date -
Feb 20, 2003
filing date -
Feb 21, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a method for releasing an active substance from a composition. The active substance is either substantially water-insoluble and/or immobilised on or in nanosized particles. A diffusion gradient is established between the inside and the outside of the composition, which allows the transport of a nanosuspension of the active substance through the pores of the membrane.
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