Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Simone Ferlin0
Sara Farnesi0
Date of Patent
July 1, 2008
0Patent Application Number
116419540
Date Filed
December 20, 2006
0Patent Primary Examiner
Patent abstract
Process for the preparation of Norelgestromin or 17α-hydroxy-13β-ethyl-18,19-dinorpregn-4-ene-20-yn-3-one oxime, also in crystalline form, in particular with an E/Z isomer ratio of between 1.3 and 1.5.
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