Chromium complexes, their manufacture and use

Details Chromium complexes, their manufacture and use Chromium complexes, their manufacture and use

C - Chemistry, Metallurgy

09

B

260/287, 260/166

C09B 45/16 (2006.01) C09B 45/00 (2006.01) C09B 55/00 (2006.01)

Patent

CA 1070296

ABSTRACT OF THE DISCLOSURE The present invention relates to novel chromium complex dyes which contain one atom pf chromium bonded to two complexing agents one of which is a 8-hydroxyquinoline-sulphonic acid and the other a o,o'- dihydroxy-, o-hydroxy-o'-amino-, o-carboxy-o'hydroxy- or o-carboxy-o'- amino-monoazo dye which contains no sulpho groups and no carboxy group that is not in ortho-position to the azo or azomethine group or is a o,o'-dihydroxy- or o-carboxy-o'-hydroxyazomethine dye.

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