US Patent 7195649 N-aryl-4,5-diaminopyrazoles and dyes containing said compounds

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Date of Patent

March 27, 2007

Patent Application Number

10501151

Date Filed

May 14, 2003

Patent Primary Examiner

Patent abstract

N-Aryl-4,5-diaminopyrazole of formula (I) or a physiologically compatible salt thereof of an organic or inorganic acid

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