Water soluble packages containing liquid compositions

US7271141B2 · kind B2 · utility

Assignee

• Reckitt Benckiser N.V. & Reckitt Benckiser (UK) Limited · NL

Inventors

• Roger Kaiser · Ludwigshafen, DE
• Ralf Wiedemann · Mira, IT
• Marcus Guzmann · Bad Windsheim, DE

Key dates

• Filing date: Aug 23, 2001
• Grant date: Sep 18, 2007
• Expiry date: Aug 23, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/042
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An aqueous liquid composition having a water content of between 20 and 50 wt. %, comprising at least one polyphosphate builder material, potassium ions and sodium ions, wherein the molar ratio of potassium to sodium is between 0.55:1 and 20:1.