Water-insoluble monoazo pyridine dyes

Details Water-insoluble monoazo pyridine dyes Water-insoluble monoazo pyridine dyes

1972-06-05

1976-05-18

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602948R, 260295R, 260295L, 260297Z, C09B 2936, D06P 324, D06P 340, D06P 352

Patent

active

039577490

ABSTRACT:
Water-insoluble monoazo dyes of the formula ##SPC1##
Produced by reacting a diazotized amine of the benzene, naphthalene, diphenyl, diphenylmethane or heterocyclic series which is free from water solubilizing groups with the appropriate 6-hydroxy-2-pyridone and the utility thereof for the dyeing and printing of synthetic fabric materials to yellow to red shades having excellent fastness to light and sublimation.

REFERENCES:
patent: 2431190 (1947-11-01), Morgan
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3640674 (1972-02-01), Berrie et al.
patent: 3657214 (1972-04-01), Berrie et al.
patent: 3905951 (1975-09-01), Berrie et al.

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