FORMOTEROL TARTRATE PROCESS AND POLYMORPH
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United States of America Patent
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app pub date -
Jan 4, 2012
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Nov 9, 2001
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Abandoned
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Abstract
A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
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