Copper complex formazan compounds, process for their manufacture

Details Copper complex formazan compounds, process for their manufacture Copper complex formazan compounds, process for their manufacture

1980-11-07

1982-06-22

Clingman, A. Lionel

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8549, 8681, 8686, 8918, 260146R, C09B 5000

Patent

active

043361900

ABSTRACT:
This invention relates to novel copper complex formazan compounds of the formula ##STR1## in which M is hydrogen or the equivalent of a metal and R is hydrogen or chlorine. The invention also relates to a process for their manufacture. The compounds can be used as dyestuffs, in particular fiber reactive dyestuffs for dyeing cellulose fiber materials, wool, or synthetic polyamide fiber materials for example, on which they exhibit intense blue dyeings having good fastness properties.

REFERENCES:
patent: 2662075 (1953-12-01), Brooks
patent: 3068219 (1962-12-01), Beffa et al.

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