Use of copper complexes of disazo dyes for dyeing natural...

Details Use of copper complexes of disazo dyes for dyeing natural... Use of copper complexes of disazo dyes for dyeing natural...

C - Chemistry, Metallurgy

09

B

C09B 45/28 (2006.01) C09B 67/22 (2006.01) D21H 21/28 (2006.01)

Patent

CA 2429487

Use of the mono-copper complex of a dye of formula (1) wherein Z1, Z2, R1, R2, R3, R4, X, n and m are as defined in the claims, and mixtures thereof with the bis-copper complex of such a dye, for dyeing natural and synthetic material.

La présente invention concerne l'utilisation du complexe de mono-cuivre d'un colorant de formule (1) où Z¿1?, Z¿2?, R¿1?, R¿2?, R¿3?, R¿4?, X, n et m sont tels que définis dans les revendications, et des mélanges desdits éléments avec le complexe de bis-cuivre d'un tel colorant, pour la teinture de matière naturelle et synthétique.

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