Reactive azo dyes with a coupling component from the...

C - Chemistry – Metallurgy – 09 – B

Patent

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C09B 29/30 (2006.01) C09B 29/01 (2006.01) C09B 29/095 (2006.01) C09B 35/021 (2006.01) C09B 35/025 (2006.01) C09B 35/029 (2006.01) C09B 35/233 (2006.01) C09B 35/28 (2006.01) C09B 62/507 (2006.01) D06P 1/38 (2006.01)

Patent

CA 2172657

Reactive dyes of the formula (I), Image where n is 1 or 2 R1 is hydrogen or hydroxyl and D is the radical of a diazo or tetrazo component with, in each case, at least one anchor radical of the formula SO2-Y where Y is vinyl or substituted ethyl, and the use thereof for dyeing or printing organic substrates having hydroxyl groups or nitrogen atoms are described.

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