Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ricky Lippert0
Dieter Bensinger0
Ekkehard Bartmann0
Michael Kirschbaum0
Alexander Haas0
Date of Patent
December 8, 2009
0Patent Application Number
105557890
Date Filed
April 10, 2004
0Patent Primary Examiner
Patent abstract
The invention relates to a process for the crystallization of the compounds of the formula (I) or acid-addition salts thereof, in which R1, R2 and R3 have the meaning indicated in Claim 1.
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