Mixtures of symmetrical and asymmetrical 1: 2 - cobalt complex, a method for the production and use

摘要

The invention relates to the complex mixtures cobalt 1: 2 symmetric and asymmetrical of the azo compounds of formulae: & br / (see appended drawing in bopi) & br / in which r denotes the 1996, or an alkyl group, r denotes the 1996, a halogen or an alkyl, alkoxy or cyano, r denotes the 1996, a halogen or an alkyl or alkoxy group and x represents a group oh or nh. These mixtures of complexes can be used as dyes for dyeing or printing substrates capable of being dyed with anionic dyes.