Basic azo dyestuffs of the 3-cyano-2,4,6-triamino pyridine serie

Details Basic azo dyestuffs of the 3-cyano-2,4,6-triamino pyridine serie Basic azo dyestuffs of the 3-cyano-2,4,6-triamino pyridine serie

1994-06-21

1995-11-21

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534691, 534760, 534770, 534773, 534755, 8657, 8919, C09B 2942, C09B 35031, D06P 141, D21H 2128

Patent

active

054688485

ABSTRACT:
The new basic azo dyestuffs of the formula ##STR1## wherein the symbols have the meaning given in the description, are suitable for dyeing synthetic and naturally occurring substrates which can be dyed with basic dyestuffs.

REFERENCES:
patent: 3839426 (1974-10-01), Jefferies et al.
patent: 3899478 (1975-08-01), Fleckstein et al.
patent: 3959250 (1976-05-01), Heinrich et al.
patent: 4066637 (1978-01-01), Ramanthan

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