Opioid analgesic
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 19, 2004
Grant Date -
Nov 7, 2002
app pub date -
Apr 23, 2002
filing date -
Oct 15, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention is relative to a pharmaceutical preparation, especially for oral administration, with at least one active substance and with formulation components influencing the release of active substance, which preparation comprises at least one opiod analgesic as active substance that is formulated proportionally on the one hand for rapid release and on the other hand for delayed release in such a manner that the in vitro release rate from the preparation according to the Ph. Eur. paddle test shows a mean value of above 40% by weight after one hour and that the in vitro release rate shows a mean value that is still below 80% by weight after four hours.
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