US Patent 7872135 Method for introducing a 1,2-double bond into 3-oxo-4-azasteroid compounds

Patent 7872135 was granted and assigned to Siegfried on January, 2011 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

‌

Siegfried

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

78721350

Patent Inventor Names

Beat Webber0

Norber Schärer0

Beat W Müller0

Date of Patent

January 18, 2011

Patent Application Number

105214210

Date Filed

July 2, 2003

Patent Primary Examiner

‌

Frederick Krass

Patent abstract

A process for preparing 17β-substituted 4-azaandrost-1-en-3-one compounds of the general formula (I):

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