Azo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler com

Details Azo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler com Azo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler com

1976-10-29

1979-02-27

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260145B, 260147, 260154, 260155, 260156, 260158, 260160, 260161, 260162, 260163, 548358, C09B 2938, C09B 3114, C09B 4312, C09B 6208

Patent

active

041418905

ABSTRACT:
Azo compounds of the formula ##STR1## wherein R is hydrogen, an alkyl or aryl radical and D is the radical of a diazo component are valuable dyestuffs for coloring textile materials.

REFERENCES:
patent: 2892831 (1959-06-01), Stephen
patent: 3097197 (1963-07-01), Tilley et al.
patent: 3109840 (1963-11-01), Beffa et al.
patent: 3385843 (1968-05-01), Remy et al.
patent: 3455897 (1969-07-01), Knowles
patent: 3655642 (1972-04-01), Meininger et al.

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