Black dye mixtures of fiber-reactive azo dyes, methods for their preparation anduse thereof for dyeing hydroxy- and/or carboxamido-containing fiber material

摘要

The present invention discloses a dye mixture comprising a disazo dye conforming to the formula (1), a monoazo dye conforming to the formula (2), and monazo dye conforming to the formula (3) in which (1), (2) and (3) are defined as given in claim 1, a method for its preparation and a process for dyeing hydroxy- and/or carboxamido containing fiber material in which an inventive dye mixture is applied to the material.