Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Rudolf Moser0
Fritz Blatter0
Thomas Egger0
Viola Groehn0
Date of Patent
June 1, 2010
0Patent Application Number
109903160
Date Filed
November 17, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Crystal forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride, hydrates and solvates and processes for their preparation are provided. These crystal forms are either intermediates for the preparation of stable polymorphic form B or are suitable for solid formulations.
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