Chemical-resistant films in high optical quality

US9567444B2 · kind B2 · utility

Assignee

• Evonik Röhm GmbH · DE

Inventors

• Achim Neuhaeuser · Mainz, DE
• Guenther Dickhaut · Mannheim, DE
• Ralf Richter · Dresden, DE
• Jonas Scherble · Heilbad Heiligenstadt, DE
• Wangelis Karampougioukis · Darmstadt, DE

Key dates

• Filing date: Feb 9, 2011
• Grant date: Feb 14, 2017
• Expiry date: Mar 17, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/269
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The present invention relates to a process for producing transparent polymeric films or plastics moldings of particularly high chemical resistance, having more particularly a very good resistance towards oil-in-water and water-in-oil emulsions, and of high optical quality.