Black dye mixtures of fiber-reactive azo dyes and use...

C - Chemistry – Metallurgy – 09 – B

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C09B 67/22 (2006.01) D06P 1/38 (2006.01)

Patent

CA 2449113

The present invention claims a dye mixture comprising at least one dyestuff of the general formula (I) and one or more reactive dyes of the general formula (II), wherein D1, D2, D21, R21,Z21, M and n are defined as given in claim 1, a process for itspreparation and its use for dyeing and printing hydroxyl-and/or carboxamido-containing material.

La présente invention concerne un mélange de colorants comprenant au moins un colorant correspondant à la formule générale (I) et un ou plusieurs colorants réactifs correspondant à la formule générale (II), dans laquelle D?1¿, D?2¿, D?21¿, R?21¿,Z?21¿, M et n sont définis dans la revendication 1, un procédé de préparation correspondant et son utilisation pour colorer et imprimer des matières contenant hydroxyl- et/ou carboxamido-.

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