Machine dishwasher rinsing agent

US6962898B2 · kind B2 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Arnd Kessler · Monheim am Rhein, DE
• Rolf Bayersdoerfer · Hamburg, DE
• Rainer Sorg · Kempen, DE
• Christian Nitsch · Dressendorf, DE
• Melanie Baumann · Duisburg, DE

Key dates

• Filing date: Jun 28, 2001
• Grant date: Nov 8, 2005
• Expiry date: Aug 23, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/14
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Detergents for dishwashing contain 1% up to 98.8% by weight of builders, 0.1% to 70% by weight of copolymers of unsaturated carboxylic acids and monomers containing sulfonic acid groups, and one or both of 5% to 30% by weight of nonionic surfactants and 0.1% to 30% by weight of homo- or copolymeric polycarboxylic acids or salts thereof.