Cationic 5-arylazo-6-hydroxypyridone-2 dyes

Details Cationic 5-arylazo-6-hydroxypyridone-2 dyes Cationic 5-arylazo-6-hydroxypyridone-2 dyes

1973-09-25

1980-07-22

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 37R, 260 39P, 260 40R, 260 4221, 260146D, 260146R, 260154, 260155, C09B 2936, C09B 3114, D06P 108, D06P 370

Patent

active

042138981

ABSTRACT:
Azo dyes of the formula ##STR1## wherein D is an aromatic carbocyclic or heterocyclic diazo component radical,

REFERENCES:
patent: 2099525 (1937-11-01), Krzikalla et al.
patent: 2234723 (1941-03-01), Pickey et al.
patent: 2431190 (1947-11-01), Morgan
patent: 3252964 (1966-05-01), Fuchs et al.
patent: 3402167 (1968-09-01), Entschel
patent: 3487060 (1969-12-01), Ritter et al.
patent: 3518247 (1970-06-01), Altermatt et al.
patent: 3577404 (1971-05-01), Entschel et al.
patent: 3642769 (1972-02-01), Moritz et al.
patent: 3658781 (1972-04-01), Hegar

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