Disazo dyestuffs of the stilbene series

Details Disazo dyestuffs of the stilbene series Disazo dyestuffs of the stilbene series

C - Chemistry, Metallurgy

09

B

C09B 43/11 (2006.01) C08K 5/23 (2006.01) C09B 35/215 (2006.01) C09B 43/16 (2006.01) C09B 62/08 (2006.01) C09D 11/02 (2006.01) D06P 1/04 (2006.01)

Patent

CA 2134487

- 61 - ABSTRACT The disazo dyestuffs and mixtures thereof, of the general formula I Image (I), wherein the symbols R1, R2, R3, R4, R5 and M possess the significances given in claim 1, are eminently suitable for dyeing, pad-dyeing or printing organic substrates containing hydroxyl, thiole or amido groups, especially cotton or paper.

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