Forms of pravastatin sodium
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United States of America Patent
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Aug 28, 2007
Grant Date -
Dec 29, 2005
app pub date -
Aug 9, 2005
filing date -
Dec 14, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
New polymorphic forms of pravastatin sodium are provided. Each of the new forms is selectively obtained by crystallization from different solvent systems, each solvent system having a protic component, and by controlling the rate of crystallization through temperature. The new polymorphic forms are suitable for use as active substances of pharmaceutical dosage forms for reduction of serum cholesterol levels in the bloodstream.
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