Oral or mucosal preparation containing an active ingredient, with controlled active ingredient release, and its use
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United States of America Patent
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Oct 21, 2003
Grant Date -
N/A
app pub date -
Jan 4, 2001
filing date -
May 8, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to the use of a preparation containing a first group of particles and at least one other group of particles which is not identical to the first group of particles for achieving controlled release of an active ingredient present in the cores of the particles, in particular in the human and veterinary medical sectors. The preparation is administered orally, rectally, vaginally etc. The release of the active ingredient then takes place in the appropriate medium, and there is transmucosal absorption of the active ingredient.
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