Solid machine dishwashing detergent with phosphate and crystalline lamellar silicates

US6462006B1 · kind B1 · utility

Assignees

• Henkel Kommanditgesellschaft auf Aktien · DE
• Clariant Corporation · DE

Inventors

• Rainer Sorg · Kempen, DE
• Christian Nitsch · Dressendorf, DE
• Juergen Haerer · Goldkronach, DE
• Harald Volk · Bargteheide, DE
• Thomas Mueller-Kirschbaum · Solingen, DE
• Peter Krings
• Harald Bauer · Ehningen, DE
• Josef Holz · Lechenich, DE
• Guenther Schimmel · Lechenich, DE
• Lothar Westermann · Cologne, DE

Key dates

• Filing date: Dec 22, 2000
• Grant date: Oct 8, 2002
• Expiry date: Dec 22, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/0073
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A solid-form dishwasher detergent that contains a builder combination of conventional phosphates and crystalline layer silicates. Despite its phosphate content, the detergent provides improved protection to sensitive tableware, more particularly glasses and decorated tableware, and improved cleaning performance.