Detergents and cleaning preparations containing selected builder systems

US5501814A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Konrad Engelskirchen · Meerbusch, DE
• Herbert Fischer · Goldkronach, DE
• Beatrix Kottwitz · Erkrath, DE
• Horst Upadek · Erkrath, DE
• Christian Nitsch · Dressendorf, DE

Key dates

• Filing date: Apr 22, 1994
• Grant date: Mar 26, 1996
• Expiry date: Apr 22, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/223
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process and surfactant-containing composition for reducing incrustation on washed laundry. The composition contains finely-divided, water-insoluble builder components and an at least partly water-soluble co-builder which is the oxidation product of polyglucosans wherein, on average, at least 15 mole percent thereof consists of oxidized anhydroglucose units corresponding to formula I ##STR1## and which have an average molecular weight of up to 15,000.