Process for the coloring of paper with disazo dyes containing su

Details Process for the coloring of paper with disazo dyes containing su Process for the coloring of paper with disazo dyes containing su

1990-03-21

1991-07-23

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Azo, acridone, or quinone dye

8636, 8687, 8919, 106 20, 106 22, D21H 2128, C09B 3504

Patent

active

050340174

ABSTRACT:
Dyestuffs of the formula ##STR1## in which the substituents have the meanings given in the description are highly suitable for the coloration of paper. They produce light and wetfast blue coloring.

REFERENCES:
patent: 4724001 (1988-02-01), Ohta et al.

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