Machine dishwasher detergent

US9719055B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Thomas Eiting · Goldkronach, DE
• Dorota Sendor-Mueller · Goldkronach, DE
• Johannes Zipfel · Amsterdam, NL
• Arnd Kessler · Monheim am Rhein, DE
• Thorsten Bastigkeit · Wuppertal, DE
• Christian Nitsch · Dressendorf, DE
• Sven Mueller · Duisburg, DE

Key dates

• Filing date: Nov 21, 2012
• Grant date: Aug 1, 2017
• Expiry date: Dec 22, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/2086
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A liquid cleaning agent containing: a) 20 to 70 wt % water, b) at least one amylase preparation, c) at least one Ca2+-ion source, d) lactic acid or a lactic acid salt, is notable for elevated amylase stability and improved cleaning performance.