Huls Aktiengesellschaft

Huels Aktiengesellschaft

Chemische Fabrik Stockhausen Gmbh

Heike Kelkenberg

Wulf Ruback

Michael Brock

Klaus Engel

Chitosan absorbent is prepared by reacting pulverized chitosan suspended as a powder in an organic solvent with an acid and then isolating solid chitosan-acid reaction product.

Super-absorbents and a process for their preparation

The present invention provides an aqueous fabric softener for the treatment of textiles based on water-insoluble nonionic surfactants whose emulsions or dispersions have been stabilized by the addition of protective colloids containing cationic groups.

Aqueous fabric softener for the treatment of textile

Use of polyhydroxyalkylamine-N,N-dialkylcarboxylic acids or their salts, as builders for detergents and cleaning agents. Compounds of formula ##STR1## where X represents a polyhydroxyalkyl group with 3 to 7 carbon atoms and which may be glycosidically linked to a mono-, di-, or oligosaccharide; and n is 1 to 3, are used as builders for detergents and cleaning agents.

Use of polyhydroxyalkylamine-N,N-dicarboxylic acids and their salts as

N-polyhydroxyalkyl fatty acid amides are used as thickening agents for liquid aqueous surfactant systems. Compounds of formula ##STR1## where R.sub.1 is an alkyl group; R.sub.2 is hydrogen, an alkyl group, or an alkylene oxide group; and X is a polyhydroxyalkyl group, are used as thickeners. The thickeners are particularly useful in liquid surfactant systems which contain paraffinsulfonate.

Use of n-polyhydroxyalkyl fatty acid amides as thickening agents for

An N-alkylglycamino compound of formula (IV): ##STR1## wherein n is 4-24, R is ##STR2## and x is Na, K, or H.

N-alkylglycamino compounds, a process for producing them, and their use

Use of polyhydroxyalkylamine-N,N-dialkylcarboxylic acids or their salts, as builders for detergents and clenaing agents. Compounds of formula ##STR1## where X represents a polyhydroxyalkyl group with 3 to 7 carbon atoms and which may be glycosidically linked to a mono-, di-, or oligosaccharide; and n is 1 to 3, are used as builders for detergents and cleaning agents.

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Gladbeck, Germany

Heike Kelkenberg