Urethane acrylate having a high refractive index and reduced double bond density

US8808946B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

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

Key dates

• Filing date: Nov 2, 2010
• Grant date: Aug 19, 2014
• Expiry date: Feb 2, 2031

Classification

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

Abstract

The invention relates to novel specially substituted urethane acrylates based on tris(p-isocyanatophenyl)thiophosphate having a high refractive index and reduced double bond density, and to a method for the production and use thereof.