Preparation and use of chromiferous colorants for coloring...

C - Chemistry – Metallurgy – 09 – B

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8/21.4, 260/166.

C09B 45/16 (2006.01) D06P 1/10 (2006.01)

Patent

CA 1068683

ABREGE DESCRIPTIF L'invention a pour objet de nouveaux colorants complexes chromifères répondant à la formule générale: Image (I) dans laquelle A représente un atome d'hydrogène ou un groupe phényle éventuellement substitué par un ou plusieurs atomes d'halogène ou groupes alkyle de bas poids moléculaire et le noyau B peut être substitué par un ou plusieurs atomes de chlore. Ces complexes peuvent être utilisés pour la coloration et la teinture dans la masse des polyamides synthétiques 6, 6-6, 11 ou 12.

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