Water soluble dyestuffs

Details Water soluble dyestuffs Water soluble dyestuffs

C - Chemistry, Metallurgy

09

B

260/162, 8/25

C09B 31/04 (2006.01) C09B 35/34 (2006.01) D06P 1/06 (2006.01)

Patent

CA 1075232

Abstract of the Disclosure New water-soluble disazo dyestuffs of the formula B1-N=N-Z-N=N-B2 (I) wherein Z denotes a bivalent radical of 2-phenyl-benzo- imidazole, -oxazole or thiazole, B1 is monovalent radical of a N-substituted amino naphtol-mono- or disulphonic acid and B2 is the radical of a coupling component, their process of production and their use for obtaining fast dyeings and prints on natural or synthetic fibre materials containing hydroxyl groups or nitrogen.

274633

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