Doubled acid azo dyes with a hydroxypyridone coupling component

Details Doubled acid azo dyes with a hydroxypyridone coupling component Doubled acid azo dyes with a hydroxypyridone coupling component

1995-05-02

1996-09-10

Higel, Floyd D.

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

Organic compounds

Azo

534772, 546261, 546294, 546296, C09B 31153, C09B 3312, D06P 139, D06P 106

Patent

active

055547370

ABSTRACT:
Azo dyes of the formula ##STR1## where D is the radical of a diazo component, and

REFERENCES:
patent: 1880646 (1932-10-01), Wulff
patent: 2406972 (1946-09-01), Tisza et al.
patent: 3674794 (1972-07-01), Mizzoni et al.
patent: 3912744 (1975-10-01), Heinrich et al.
patent: 3912745 (1975-10-01), Heinrich et al.

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