Process for producing crystalline atorvastatin calcium
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United States of America Patent
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May 4, 2004
Issued Date -
N/A
app pub date -
Aug 8, 2003
filing date -
Dec 17, 1999
priority date (Note) -
Expired
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Abstract
A factory scale process for producing crystalline atorvastatin calcium includes the step of drying the isolated product in a vacuum pan dryer. The vacuum pan dryer has an agitator which is continuously rotated at a speed of approximately 1 rpm. High quality material is routinely and consistently produced with reduced cycle time.
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