Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gerald J. Tanoury0
Chris H. Senanayake0
Donald W. Kessler0
Date of Patent
December 5, 2006
0Patent Application Number
110522680
Date Filed
February 7, 2005
0Patent Primary Examiner
Patent 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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