Azo coupling process

Details Azo coupling process Azo coupling process

1981-11-06

1983-07-26

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

260141, 260144, C07C11300

Patent

active

043952640

ABSTRACT:
The present invention relates to a process for coupling beta-naphthol with a diazotized amine as follows:

REFERENCES:
patent: 3793305 (1974-02-01), Balon
patent: 4014866 (1977-03-01), Henning
patent: 4046754 (1977-09-01), Meininger et al.

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