Hydrogel capable of absorbing blood and/or body fluids

US8063265B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Martin H. Beck · Amherst, US
• Volker Frenz · Hochheim, DE
• Anna Kowalski · Bischofswerda, DE
• Elisabeth Selzer · Schifferstadt, DE
• Ernst Jürgen Bauer · Ludwigshafen, DE
• Harald Keller · Ludwigshafen, DE
• Bernhard Steinmetz · Meiningen, DE

Key dates

• Filing date: Oct 28, 2004
• Grant date: Nov 22, 2011
• Expiry date: Mar 3, 2026

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31931
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A hydrogel having a floatability where from 40% to 90% of a solution and/or suspension to be thickened are thickened starting from the surface of the liquid and the rest of the solution and/or suspension to be thickened is thickened starting from the bottom of the container, a process for preparing the hydrogel and also its use for absorbing blood and/or body fluids, especially in hygiene articles, or for thickening aqueous solutions and/or suspensions, especially for thickening medical wastes.