Laundry or dishwasher detergent tablet having at least one cavity

US7205266B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Thomas Holderbaum · Hilden, DE
• Bernd Richter · Dresden, DE
• Christian Nitsch · Dressendorf, DE
• Rolf Bayersdoerfer · Hamburg, DE

Key dates

• Filing date: Sep 19, 2001
• Grant date: Apr 17, 2007
• Expiry date: Dec 3, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/722
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Laundry or dishwasher detergent tablets comprise at least one cavity, nonionic surfactants in the range from 5 to 25% by weight, based on the tablet and 0.1% to 70% by weight of sulfonated copolymers.