Metering cartridge for a water-conducting domestic appliance

US8946138B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Arnd Kessler · Monheim am Rhein, DE
• Thorsten Bastigkeit · Wuppertal, DE
• Christian Nitsch · Dressendorf, DE
• Salvatore Fileccia · Oberhausen, DE
• Erik Brueckner · Hilden, DE

Key dates

• Filing date: Aug 21, 2012
• Grant date: Feb 3, 2015
• Expiry date: Jul 25, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/386
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

A cartridge, in particular for use in water-conveying household appliances, encompassing an enzyme-containing preparation that contains at least one enzyme protein and has a specific heat capacity cp at 20° C. of less than 3.8 J/(g*K), preferably less than 3.0 J/(g*K), and is stocked in a cartridge or cartridge chamber having an internal volume of between 20 and 500 ml and an average wall thickness of between 0.1 and 2 mm, and the cartridge material has a specific heat capacity cp at 20° C. of between 1 and 2 J/(g*K), preferably between 1.15 and 1.9 J/(g*K), particularly preferably between 1.5 and 1.8 J/(g*K).