1:2 Chromium and cobalt complex dyes

Details 1:2 Chromium and cobalt complex dyes 1:2 Chromium and cobalt complex dyes

1981-07-27

1984-01-24

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260145A, C07C107108, C09B 4514

Patent

active

044275854

ABSTRACT:
1:2 Metal complex dyes of formula I ##STR1## and mixtures thereof with the metal complex dyes of formulae II and III ##STR2## wherein Me is chromium or cobalt and Q.sup..sym. is a cation. The dyes and dye mixtures are suitable for dyeing and printing natural or synthetic polyamide material. Printing pastes and padding liquors prepared from these dyes or mixtures have no tendency to gel.

REFERENCES:
patent: 2610175 (1952-09-01), Widmer et al.
patent: 2673199 (1954-03-01), Widmer et al.
patent: 2776956 (1957-01-01), Zickendraht et al.
patent: 2813853 (1957-11-01), Steinemann
patent: 2871233 (1959-01-01), Pfitzner et al.
patent: 2970137 (1961-01-01), Whitlock
patent: 3432485 (1969-03-01), Neier
patent: 4000965 (1977-01-01), Mennicke et al.

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