Disperse azo dyestuffs

Details Disperse azo dyestuffs Disperse azo dyestuffs

C - Chemistry, Metallurgy

09

B

C09B 29/01 (2006.01) C09B 29/00 (2006.01) C09B 29/033 (2006.01) C09B 29/039 (2006.01) C09B 29/08 (2006.01) C09B 31/043 (2006.01)

Patent

CA 2543056

The present invention claims dyestuffs of formula (I), wherein D, R1 to R7 and n are defined as given in claim 1, a process for their preparation and their use.

L'invention concerne des colorants représentés par la formule (I) dans laquelle D, R?1¿ à R?7¿ et n sont tels que définis dans la revendication 1, et un procédé de préparation et d'utilisation associé.

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