Hydroxypyridone azo dyestuffs

Details Hydroxypyridone azo dyestuffs Hydroxypyridone azo dyestuffs

1979-11-01

1982-05-11

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 3101

Patent

active

043292836

ABSTRACT:
Disperse dyestuffs of the formula ##STR1## in which R, R.sub.1 and R.sub.2 denotes alkyl,

REFERENCES:
patent: 3905951 (1975-09-01), Berrie et al.
patent: 3952122 (1976-04-01), de Kermadec et al.
patent: 3957749 (1976-05-01), von Braohel et al.
patent: 3994906 (1972-11-01), Hegar
patent: 3998803 (1976-12-01), Burkhard et al.

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