1:2 asymmetric cobalt complexes of monoazo dyestuffs

Details 1:2 asymmetric cobalt complexes of monoazo dyestuffs 1:2 asymmetric cobalt complexes of monoazo dyestuffs

C - Chemistry, Metallurgy

09

B

8/6, 8/21.4, 260

C09B 45/20 (2006.01) C09B 45/48 (2006.01) D06P 1/10 (2006.01)

Patent

CA 1064023

Abstract of the Disclosure The present invention relates to homogeneous asymmetric 1:2 cobalt complexes of a monoazo dyestuff having a single sulpho group in salt form and a monoazo dyestuff containing a single sulphonamide group and mixtures of such homogeneous asymmetric complexes. The complexes and mixtures are useful for dyeing and printing nitrogen-containing organic substrates.

251817

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