Graying-inhibiting liquid washing composition

US7883549B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Josef Penninger · Hilden, DE
• Nadine Warkotsch · Düsseldorf, DE

Key dates

• Filing date: Jul 31, 2008
• Grant date: Feb 8, 2011
• Expiry date: Jul 31, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/662
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An aqueous liquid laundry detergent containing methylcarboxymethyl cellulose having a degree of methylation in the range from 0.01 to 0.3, surfactant, and at least one typical ingredient of laundry detergents. The detergent inhibits graying of textile fabrics during the washing of the fabrics.