Polyazo dyestuffs having a dianisidine component, a diaminophenyl sulfonic acid component, and a naphthol component

Abstract

The invention relates to polyazo dyestuffs of the formula ##STR1## in which R denotes hydrogen, methyl or chlorine, X denotes methyl or ethyl and K represents a radical of the formula ##STR2## WHEREIN M DENOTES 1, 2 OR 3, OR REPRESENTS A RADICAL OF THE FORMULA ##STR3## wherein Y denotes hydrogen, chlorine, nitro, --SO.sub.3 H, alkyl, alkoxy, etc. The new dyestuffs are particularly suitable for dyeing and printing cellulose fibre materials, especially paper and cotton.

Dependencies are inferred from the claim text.