Washing process with acid monomer grafted cellulose fabric in bath to absorb metal cations hardening water

US3955920A · kind A · utility

Assignee

• Henkel u. Cie GmbH

Inventors

• Carl Heinrich Krauch
• Axel Sanner · Bischofswerda, DE
• Guenter Jakobi
• Edmund Schmadel · Leichlingen, DE

Key dates

• Filing date: Mar 30, 1973
• Grant date: May 11, 1976
• Expiry date: Mar 30, 1993

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Process for washing textiles in which the washing treatment is carried out in the presence of a cation exchanger containing carboxyl groups in the form of alkali salts and capable of removing calcium and magnesium ions from the washing liquor, and a washing agent for use in said process.