Cassella Aktiengesellschaft

Hoechst Aktiengesellschaft

Hoechst Aktiengsellschaft

Willi Steckelberg

Wolfgang Bauer

Josef Ritter

Walter Birke

Franz Schon

Rudolf Schickfluss

Wilhelm Mauelshagen

Ulrich Buhler

Fritz Engelhardt

Karl-Heinz Keil

Hubert Kruse

Peter Koch

Ralf Zerrer

Jurgen Kuhlwein

Hans Ludwig Panke

Rolf Kleber

Konrad Opitz

Alwin K Reng

Ernst Hoyer

Jochen M Quack

Hans-Walter Bucking

Adolf May

Gert Nagl

Klaus Hofmann

Rolf Muller

Walter Deucker

Wilfried Schuler

Werner Antwerpen

##STR1## in which X denotes ##STR2## and the other variables are defined as indicated in claim 1, processes for their preparation and their use.

Polycondensates containing phosphinic and phosphonic acid groups

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 a process for the preparation of compounds of the general formula I ##STR1## by reaction of compounds of the general formula II ##STR2## with amines of the general formula III ##STR3## wherein R.sup.1 and R.sup.2 independently of one another denote hydrogen, (C.sub.1 -C.sub.4)-alkyl, C.sub.1 -C.sub.4)-hydroxyalkyl or (C.sub.5 -C.sub.6)-cycloalkyl, or, together with the nitrogen atom carrying them, form (C.sub.4 -C.sub.6)-heterocyclyl and R.sup.3 and R.sup.4 independently of one another denote hydrogen, (C.sub.1 -C.sub.4)-alkyl, (C.sub.1 -C.sub.4)-hydroxyalkyl, (C.sub.1 -C.sub.2)-alkylcarbonyl or tosyl.

Process for the preparation of N-substituted nitro-p-phenylenediamines

The present invention relates to compounds of the general formula I ##STR1## wherein R.sup.1 denotes formyl or (C.sub.1 -C.sub.3)-alkylcarbonyl,

N4-substituted 1-alkoxy-2-acylamino-4-aminobenzenes, process for their

The black water-soluble sulphur dyes of the formula ##STR1## in which, for example, F is the dye chromophore of C.I. Leuco Sulphur Black 1,

Water-soluble sulphur dyes, their preparation and use

The water-insoluble dyes of the formula I ##STR1## in which, for example, F is the dye chromophore of C.I. Leuco Sulphur Black 1,

Water-insoluble sulphur dyes, their preparation and use

The water-insoluble sulphur dyes of the general formula I ##STR1## in which F is a dye chromophore of, for example, C.I. Sulphur Black 1 and R.sup.1 to R.sup.4 and n are as defined in Claim 1, are suitable in particular for producing recording fluids.

Process for dyeing and printing blend fabrics of polyester and natural

The present invention relates to water-soluble trisazo dyes of the formula T ##STR1## and process for the preparation thereof and to the use thereof.

Water-soluble trisazo dyes

The .beta.-modification, which is stable under dyeing conditions, of the dyestuff of the formula ##STR1## is prepared by heating the .alpha.-modification, which is unstable under dyeing conditions, at temperatures of 60.degree. to 180.degree. C. and the .beta.-modification is useful in printing and dyeing fiber materials of cellulose esters, synthetic linear polyesters or mixed fabrics of the polyester fiber material with wool or viscose staple.

.beta.-modification of

A valuable starting material for the manufacture of tetrachlorothioindigo pigments is 2,5-dichlorophenylthioglycollic acid which is prepared by:

Process for preparing 2,5-dichlorophenylthioglycollic acid

Water-soluble, yellow monoazo dyestuffs of the formula ##STR1## wherein R.sup.1 is a moiety of the formula ##STR2## R.sup.2 is methyl, ethyl, methoxy or ethoxy, R.sup.3 is methyl or ethyl, and

Water-soluble yellow monoazo dyestuffs

Aqueous solutions are protected from infestation by micro-organisms by use of a biocide which is an aqueous formulation of the lithium salt of 1,2-benzisothiazolin-3-one.

Aqueous formulation of 1,2-benzisothiazolin-3-one

A process for the dyeing or printing of a hydrophobic organic fibrous material containing or consisting of polyester, wherein

Process for the dyeing and printing of hydrophobic synthetic organic

Quaternary ammonium compounds of the formula I ##STR1## wherein R.sub.1 is C.sub.8 -C.sub.24 alkyl, cyclohexyl or aryl, X and Y are hydrogen or methyl, only one X or Y being methyl at the same time, n is an integer of from 1 to 20, R.sup.2 and R.sup.3 are lower alkyl or benzyl and A is an anion. These compounds are made by common alkylation reaction of the corresponding non-quaternized compounds. They are used as surfactants, especially in hair care compositions.

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Hofheim, Germany

Willi Steckelberg