Process for the preparation of medications in the form of pearls
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United States of America Patent
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-
Feb 23, 1993
Grant Date -
N/A
app pub date -
Jan 18, 1991
filing date -
Jan 19, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process for the preparation of pearls based on a pharmaceutical active substance exhibiting an indefinite crystallization point. The said active substance is mixed in molten form which a pharmaceutical excipient promoting the solidification of the active substance, the melt is forced to pass through a nozzle which is subjected to a vibration, the pearls formed are allowed to fall in a tower countercurrentwise to a gas, and the pearls formed are collected in the bottom of the tower.
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