Complex metal compounds of azo dyes

Child Classifications

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• C09B 45/01 characterised by the method of metallisation
• C09B 45/02 Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
• C09B 45/34 Preparation from o-monohydroxy azo compounds having in the o'-position an atom or functional group other than hydroxyl, alkoxy, carboxyl, amino or keto groups
• C09B 45/38 Preparation from compounds with —OH and —COOH adjacent in the same ring or in peri position
• C09B 45/48 Preparation from other complex metal compounds of azo dyes