Azo dyestuffs

Details Azo dyestuffs Azo dyestuffs

1978-11-22

1980-11-04

Kight, III, John

Bleaching and dyeing; fluid treatment and chemical modification

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

Azo, acridone, or quinone dye

8666, 260163, D06P 118, C09B 2901

Patent

active

042317487

ABSTRACT:
Polyester fibres are dyed in yellow and orange-red color shades with good fastness to light and wet processing when dyestuffs of the formula ##STR1## wherein K denotes the radical of a 5-amino-pyrazole coupling component which couples in the 4-position,

REFERENCES:
patent: 3344133 (1967-09-01), Bossard et al.
patent: 3471468 (1969-10-01), Bossard et al.
patent: 3803122 (1974-04-01), Kilmurry

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