1:2 Chromium complex of 1-amino-2-(3',5'-dinitro-2'-hydroxypheny

Details 1:2 Chromium complex of 1-amino-2-(3',5'-dinitro-2'-hydroxypheny 1:2 Chromium complex of 1-amino-2-(3',5'-dinitro-2'-hydroxypheny

1978-11-29

1983-11-22

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

148 61, 260208, C09B 4514, C23F 504, D06P 110, D06P 324

Patent

active

044168160

ABSTRACT:
Disclosed are the 1:2 chromium complex of the formula ##STR1## and the alkali metal salts thereof which are useful for the coloration of oxide layers produced on aluminum and alloys thereof and for dyeing natural and synthetic polyamides.

REFERENCES:
patent: 1394823 (1921-10-01), Grob
patent: 1626167 (1927-04-01), Straub
patent: 2030236 (1936-02-01), Anderau
patent: 2215105 (1940-09-01), Krzikalla
patent: 2422586 (1947-06-01), Royer et al.
patent: 2434173 (1948-01-01), Mackenzie et al.
patent: 3019143 (1962-01-01), Dessauer
patent: 3040019 (1962-06-01), Neier
patent: 3185676 (1965-05-01), Klein
patent: 3221004 (1965-11-01), Neier
patent: 3291651 (1966-12-01), Brassel
German Patent 1,089,096; 9-1960; Brassel (I).

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