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3663527
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Information
Patent Grant
3663527
References
Source
Patent Number
3,663,527
Date Filed
Not available
Date Issued
Tuesday, May 16, 1972
52 years ago
CPC
C09B44/02 - containing ammonium groups not directly attached to an azo group
C09B33/06 - in which the coupling component is a diamine or polyamine
C09B39/00 - Other azo dyes prepared by diazotising and coupling
US Classifications
534 - Organic compounds
546 - Organic compounds
549 - Organic compounds
558 - Organic compounds
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