Multilayer foam composite element with recesses

US7910200B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Christof Möck · Mannheim, DE
• Bernhard Vath · Mannheim, DE

Key dates

• Filing date: Mar 1, 2007
• Grant date: Mar 22, 2011
• Expiry date: Jun 2, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249981
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A multilayer foam composite element whose total thickness d comprises at least three layers composed of an open-cell foam, where at least one of the internal layers has recesses and the two outermost layers have no recesses, wherein