Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 15, 2009
Patent Application Number
11571956
Date Filed
July 13, 2005
Patent Primary Examiner
Patent abstract
The present invention provides a method of crystallization of bicalutamide comprising adding an acetone solution containing bicalutamide to water; crystals of bicalutamide wherein particle size distribution of the crystals is 1 to 10 μm of Dp10, 10 to 25 μm of Dp50 and 25 to 100 μm of Dp90, and the crystals are obtainable by the method described above; and crystals of bicalutamide, wherein particle size distribution of the crystals is 1 to 3 μm of Dp10, 2 to 5 μm of Dp50 and 5 to 15 μm of Dp90.
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