Azopyridone disperse dyes, their preparation and use

Details Azopyridone disperse dyes, their preparation and use Azopyridone disperse dyes, their preparation and use

C - Chemistry, Metallurgy

09

B

C09B 29/00 (2006.01) C09B 29/36 (2006.01)

Patent

CA 2719257

The present invention provides dyes of the general formula (I) where D, R1 to R4 and X are each as defined in claim1, processes for their preparation, and their use.

La présente invention porte sur des colorants représentés par la formule générale (I) où D, R1 à R4 et X sont tels que définis dans la revendication 1, sur des procédés pour leur fabrication et sur leur utilisation.

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