Sulfo substituted chromium containing azo pyrazolone dyestuff

Details Sulfo substituted chromium containing azo pyrazolone dyestuff Sulfo substituted chromium containing azo pyrazolone dyestuff

1976-06-14

1980-08-12

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260147, 260163, C09B 4516, C09B 4548, D06P 110, D06P 324

Patent

active

042172705

ABSTRACT:
The invention relates to the chromium complex dye of the formula ##STR1## wherein Me.sup..sym. is a cation, useful for dyeing nitrogenous materials to produce dyeings which are level and have good fastness to light, washing, fulling, decatizing and carbonizing.

REFERENCES:
patent: 2806760 (1957-09-01), Brassel et al.
patent: 3041327 (1962-03-01), Buehler et al.
patent: 3308114 (1967-03-01), Blackhall

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