Azocoumarinic-type dyes for the disperse dyeing of textile fabrics

Abstract

There is provided a new azoic dye having the general formula ##STR1## wherein: A is an aromatic radical of the benzene class which has been substituted with at least one group selected from among alkyl, alkoxyl, N-dialkylamine, halogen, cyano and nitro; X is selected from the group consisting of NH and O; R.sub.1 is selected from the group consisting of H, CH.sub.3, OCH.sub.3 and Cl; R.sub.2 is selected from the group consisting of H, CH.sub.3, OCH.sub.3, Cl; R.sub.3 is selected from the group consisting of CH.sub.3 and C.sub.2 H.sub.5 ; and R.sub.4 is the same as R.sub.3, such dye being useful in the printing and dyeing of the textiles, particularly hydrophobic synthetic fibers such as polyester fibers.

Dependencies are inferred from the claim text.