Use of polyhydroxyalkylamine-N,N-dicarboxylic acids and their salts as builders in detergents and cleaning agents

US5023018A · kind A · utility

Assignee

• Huls Aktiengesellschaft · DE

Inventors

• Heike Kelkenberg · Gladbeck, DE
• Wulf Ruback · Dülmen, DE

Key dates

• Filing date: Jul 21, 1989
• Grant date: Jun 11, 1991
• Expiry date: Jul 21, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/33
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

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.