Azo dyestuffs

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C - Chemistry, Metallurgy

09

B

260/157, 8/2, 8/

C09B 43/08 (2006.01) C09B 31/30 (2006.01) C09B 33/10 (2006.01) C09B 33/18 (2006.01) C09B 35/36 (2006.01) C09B 35/50 (2006.01)

Patent

CA 1039271

IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS Abstract of the Disclosure Disclosed are compounds of formula I, Image I in which X signifies hydrogen, halogen or -SO3M, M signifies hydrogen or a non-chromo- phoric cation, and K1 and K2, which are the same or different, each signifies a coupling component which has at least one free amino, enolic hydroxy ox phenolic hydroxy group, and mixtures of compounds of formula I, intermediates and process for their production and their use as anionic dyes.

204312

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