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3770718
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Information
Patent Grant
3770718
References
Source
Patent Number
3,770,718
Date Filed
Not available
Date Issued
Tuesday, November 6, 1973
50 years ago
CPC
C07C255/00 - Carboxylic acid nitriles
C07D333/38 - Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
C09B33/06 - in which the coupling component is a diamine or polyamine
C09B33/12 - in which the coupling component is a hetero-cyclic compound
C09B43/00 - Preparation of azo dyes from other azo compounds
C09B43/12 - by acylation of amino groups
C09B44/02 - containing ammonium groups not directly attached to an azo group
C09B44/20 - Thiazoles or hydrogenated thiazoles
US Classifications
534 - Organic compounds
008 - Bleaching and dyeing
546 - Organic compounds
549 - Organic compounds
558 - Organic compounds
560 - Organic compounds
564 - Organic compounds
568 - Organic compounds
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