Production of porous materials by the expansion of polymer gels

US11274185B2 · kind B2 · utility

Assignee

• SUMTEQ GmbH · DE

Inventors

• Reinhard Strey · Dormagen, DE
• Roland Oberhoffer · Cologne, DE
• Alexander Muller · Steinen, DE

Key dates

• Filing date: Mar 29, 2019
• Grant date: Mar 15, 2022
• Expiry date: Jul 30, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2369/00
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A method produces porous materials by expansion of polymer gels. The porous materials can be a micro- or nano-porous polymer materials.