Ulrich Schlesinger

3-Nitro-5-azopyridine dyestuffs

Fibre-reactive chromium complexes, their preparation and their use

Metal dye complexes containing an azo or azomethine dye and a colorless ligand with the C═N--N═C group

Bis 1:2 chromium complexes of disazo and azo or azomethine dyes

Fibre-reactive 1:1 chromium complex azo or azomethine dyes having a bidentate chelating group and a monofunctional neutral ligand

Watersoluble trisazo dyestuffs containing a diphenylether or diphenyldisulfimid component, process for their preparation and their use for dyeing and printing cellulose, polyamides and leather.

Process for the manufacture of nitroaminopyridines

Fibre-reactive chromium complexes and their preparation and use

Polyazo dyes containing resorcinol as middle component and metal complexes thereof

Process for the preparation of metallizable monoazo dyes in the presence of ketones