Method for the subcritical drying of aerogels

US5811031A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Rolf Jansen · Braunschweig, DE
• Birgit Kessler · Frankfurt am Main, DE
• Johann Wonner · Frankfurt am Main, DE
• Andreas Zimmermann · Griesheim, DE

Key dates

• Filing date: Jul 7, 1997
• Grant date: Sep 22, 1998
• Expiry date: Jul 7, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S521/915
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Process for the preparation of aerogels by subcritical drying of inorganic and organic hydrogels and lyogels to give aerogels, dielectric drying methods being used.