Orally administered solvent-free pharmaceutical preparation with delayed active-substance release, and a method of preparing the preparation
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United States of America Patent
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-
Dec 1, 1987
Grant Date -
N/A
app pub date -
Apr 7, 1993
filing date -
Oct 8, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Delayed release pharmaceutical preparations include a solvent free, solidified melt granulate of a pharmaceutical ingredient in admixture with a meltable auxiliary substance which is soluble in the pharmaceutical ingredient at elevated temperatures.
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