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3338880
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Information
Patent Grant
3338880
References
Source
Patent Number
3,338,880
Date Filed
Not available
Date Issued
Tuesday, August 29, 1967
57 years ago
CPC
C09B62/01 - Disazo or polyazo dyes
C09B31/00 - Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
C09B31/06 - from a coupling component "C" containing a directive hydroxyl group
C09B31/068 - Naphthols
C09B43/30 - by esterification of -COOH or -SO3H groups
C09B43/325 - by reacting sulfonic acids with amines
Y10S534/01 - Mixtures of azo compounds
US Classifications
008 - Bleaching and dyeing
534 - Organic compounds
544 - Organic compounds
546 - Organic compounds
564 - Organic compounds
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