Water-soluble azo dyes having a substituted 2-hydroxypyridone (6

Details Water-soluble azo dyes having a substituted 2-hydroxypyridone (6 Water-soluble azo dyes having a substituted 2-hydroxypyridone (6

1971-01-27

1976-09-07

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 2936, D06P 324

Patent

active

039793788

ABSTRACT:
Azo dyes containing sulfonic or carboxylic acid groups and having a substituted 2-hydroxypyridone-(6) as coupling component. The dyes are particularly valuable for dyeing natural or synthetic polyamides.

REFERENCES:
patent: 3619112 (1971-11-01), Berrie
patent: 3640674 (1972-02-01), Berrie et al.
patent: 3664996 (1972-05-01), Berrie et al.

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