Water-absorbing agent, method for the production and the utilization thereof

US6831122B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Thomas Daniel · Waldsee, DE
• Ulrich Riegel · Landstuhl, DE
• Matthias Weismantel · Bad Orb, DE

Key dates

• Filing date: Nov 13, 2003
• Grant date: Dec 14, 2004
• Expiry date: Nov 13, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/013
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Disclosed is a water absorbent comprising particles of a water absorbent polymer whose surface is associated with a water insoluble metal phosphate. It possesses an improved performance profile comprising high absorption capacity, improved fluid transportation performance and a faster swell rate.