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Zofingen, CH
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last 30 patents
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Patent Grant
Method for introducing a 1,2-double bond into 3-oxo-4-azasteroid co...
Patent number
7,872,135
Issue date
Jan 18, 2011
Siegfried Ltd.
Norber Schärer
C07 - ORGANIC CHEMISTRY
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last 30 patents
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Patent Application
Method for introducing a 1,2-double bond into 3-oxo-4-azasteroid co...
Publication number
20060100434
Publication date
May 11, 2006
Norber Scharer
C07 - ORGANIC CHEMISTRY