Fiber-reactive chromium complexes and their preparation and use

Details Fiber-reactive chromium complexes and their preparation and use Fiber-reactive chromium complexes and their preparation and use

1987-10-07

1989-03-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Carboxylic acid or salt thereof

8437, 8549, 8594, 8673, 8685, 8917, 8918, 8924, 534619, 534598, C09B 6201, D06P 138, D06P 310

Patent

active

048139726

ABSTRACT:
The invention relates to chromium complexes of the formula ##STR1## in which A is the radical of a dicyclically metallizable azo or azomethine dye, B is the radical of a potentially at least bidentate bianionic complexible organic compound which contains no azo or azomethine group, L is a colorless monofunctional ligand, X is a fibre-reactive radical, Ka is a cation, K is 0 or 1, m is 1, 2 or 3, n is 1 or 2, and the X radical and the SO.sub.3.sup..crclbar. Ka group are each bonded to the radicals A and B, to a process for preparing the chromium complexes of the formula (1), and to a combined preparation and dyeing process.

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