Deep navy dye mixtures of fiber-reactive azo dyes and a...

Details Deep navy dye mixtures of fiber-reactive azo dyes and a... Deep navy dye mixtures of fiber-reactive azo dyes and a...

C - Chemistry, Metallurgy

09

B

C09B 67/22 (2006.01) D06P 1/38 (2006.01) D06P 1/384 (2006.01) D06P 3/10 (2006.01)

Patent

CA 2370403

The present invention comprises a dye mixture comprising one or more, such as one, two or three, disazo dyes conforming to general formula (1), one or more, such as one, two or three, monoazo dyes conforming to general formula (2), in which (1) and (2) 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 is applied to the material.

Cette invention a trait à un mélange de colorants renfermant un ou plusieurs colorants disazoïque, en l'occurrence un, deux ou trois, correspondant à la formule générale (1) et un ou plusieurs colorants monoazoïque, en l'occurrence un, deux ou trois, correspondant à la formule générale (2). Les formules (1) et (2) sont telles que définies dans la première revendication. L'invention concerne également un procédé de préparation de ce mélange ainsi qu'une technique de teintage de matériau fibreux contenant un hydroxy et/ou un carboxamido, laquelle technique utilise le colorant selon l'invention.

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