Holographic media and photopolymers

US8329773B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Thomas Fäcke · Leverkusen, DE
• Friedrich-Karl Bruder · Krefeld, DE
• Marc-Stephan Weiser · Leverkusen, DE
• Thomas Rölle · Leverkusen, DE
• Dennis Hönel · Wichterich, DE

Key dates

• Filing date: Feb 16, 2010
• Grant date: Dec 11, 2012
• Expiry date: Aug 7, 2030

Classification

• Technology area (CPC G): Physics
• CPC primary: G03H2260/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to holographic media containing specific photopolymers, a process for the production thereof, and unsaturated glycidyl ether acrylate urethanes as writing monomers which are suitable for the preparation of photopolymers.