Black trisazo metal complex dyes

   
   

Disclosed are metal complexes of trisazo dyes of the general formula 4 ##STR1## wherein R.sup.1 through R.sup.6 are as defined in the specification. The dyes are useful for dyeing and printing natural and synthetic fiber materials, recording fluids, especially for the inkjet process, liquid formulations for paper pulp dyeing, and also as colorants for electrophotographic toners, powder coatings and color filters including the dyes of the invention.

São divulgados os complexos do metal de tinturas do trisazo do ## geral do ## STR1 da fórmula 4 wherein R.sup.1 com R.sup.6 são como definidos na especificação. As tinturas são úteis para tingir e imprimir os materiais naturais e sintéticos da fibra, líquidos de gravação, especial para o processo do inkjet, formulations líquidos para a polpa de papel que tinge-se, e também como colorants para tonalizadores, revestimentos do pó e filtros electrophotographic da cor including as tinturas da invenção.

 
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