Cassella Aktiengesellschaft

Dystar Japan Ltd.

Hoechst Aktiengsellschaft

Jurgen Kuhlwein

Ulrich Buhler

Fritz Engelhardt

Willi Steckelberg

Hubert Kruse

Ralf Zerrer

Wilfried Schuler

Werner Antwerpen

Ulrich Riegel

Friedrich Engelhardt

Karl-Heinz Keil

Klaus Hofmann

The present invention relates to the dyestuff of the formula I ##STR1## modifications of this dyestuff which are stable during dyeing, processes for the preparation thereof and their use for dyeing and printing synthetic fiber materials.

Nitrobenzisothiazole azo dyestuff

The present invention relates to polycondensates of the general formula I ##STR1## in which X stands, at least once, for a group of the formula VII ##STR2## and, at least once, a group of the formula VIII ##STR3## and the other variables are defined as indicated in claim 1, processes for their preparation and their use.

Polycondensates containing phosphinic or phosphonic acid groups and

The present invention relates to polycondensates of the general formula I ##STR1## in which ##STR2## and the other variables are defined as indicated in claim 1, processes for their preparation and their use.

Polycondensates containing polysiloxane groups

Process for dyeing and printing blend fabrics of polyester and natural

The present invention relates to hydrophilic, swellable graft copolymers composed, in random distribution, of 0.5 to 20% by weight of radicals of the general formula I ##STR1## of 79 to 99% by weight of radicals containing an acidic group, of the general formula II ##STR2## and of 0.1 to 2% by weight of radicals of a crosslinking agent which are derived from monomers having at least two olefinically unsaturated double bonds, and the radicals X, Z, m, n, z and also R.sup.1 to R.sup.4 are defined as given in the description, a process for the preparation of these graft copolymers and also their use as absorbents for water and aqueous solutions.

Hydrophilic, swellable graft copolymers, their preparation and use

Growing community of inventors

Heusenstamm, Germany

Jurgen Kuhlwein