Fibre reactive scarlet azo dyes

Details Fibre reactive scarlet azo dyes Fibre reactive scarlet azo dyes

C - Chemistry, Metallurgy

09

B

C09B 62/04 (2006.01) C09B 62/09 (2006.01)

Patent

CA 2446784

The present invention refers to dyestoffs of the formula I wherein Ar is a group of the formula II or of the formula III, D is a group of the formula IV, or of the formula V wherein the variables are defined as given in claim 1, processes for their preparation and theiruse for dyeing and printing hydroxy- and/or carboxamido-containing fibre materials.

La présente invention concerne des colorants correspondant à la formule I dans laquelle Ar est un groupe ayant la formule II ou la formule III, D est un groupe ayant la formule IV ou V, les variables étant définies dans la revendication 1, ainsi que des procédés de leur préparation et utilisation dans la coloration et l'impression des matières fibreuses hydroxy- ou carboxamido.

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