Complex metal compounds of azo dyes

CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES

C09B45/00Complex metal compounds of azo dyes

C09B45/01characterised by the method of metallisation C09B45/02Preparation from dyes containing in o-postion a hydroxyl group and in o'-position hydroxyl, alkoxy, carboxyl, amino or keto groups C09B45/025of azo-pyridone series C09B45/04Azo compounds in general C09B45/06Chromium compounds C09B45/08Copper compounds C09B45/10Cobalt compounds C09B45/12other metal compounds C09B45/14Monoazo compounds C09B45/16containing chromium C09B45/18containing copper C09B45/20containing cobalt C09B45/22containing other metals C09B45/24Disazo or polyazo compounds C09B45/26containing chromium C09B45/28containing copper C09B45/30containing cobalt C09B45/32containing other metals C09B45/34Preparation from o-monohydroxy azo compounds having in the o'-position an atom or functional group other than hydroxyl, alkoxy, carboxyl, amino or keto groups C09B45/36by oxidation of hydrogen in o'-position C09B45/38Preparation from compounds with -OH and -COOH adjacent in the same ring or in peri position C09B45/40Chromium compounds C09B45/42Copper compounds C09B45/44Cobalt compounds C09B45/46Other metal compounds C09B45/48Preparation from other complex metal compounds of azo dyes C09B45/482Chromium complexes C09B45/485Copper complexes C09B45/487Cobalt complexes