Fiber-reactive copper complex disazo dyes

Details Fiber-reactive copper complex disazo dyes Fiber-reactive copper complex disazo dyes

C - Chemistry, Metallurgy

09

B

C09B 62/515 (2006.01) C09D 11/00 (2006.01) D06P 1/38 (2006.01) D06P 3/66 (2006.01)

Patent

CA 2750792

The present invention relates to dyes of the formula (I), in which R1 to R4, D1, f, and M are defined as indicated in claim 1, to processes for preparing them, and to their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.

La présente invention concerne des colorants de formule (I), dans laquelle R1 à R4, D1, f et M sont tels que définis dans la revendication 1, leurs procédés de préparation et leur utilisation en vue de la coloration et de l'impression de matériaux contenant des groupes fonctionnels hydroxyle et/ou carboxamido.

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