Patent · US Active

Aromatic urethane acrylates having a high refractive index

US7981987B2 · kind B2 · utility

4Cited by

4References

10Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Nicolas Stöckel
Friedrich-Karl Bruder · Krefeld, DE
Jan Weikard · Neunburg vorm Wald, DE

Key dates

Filing date	Apr 10, 2008
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Oct 25, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG11B7/24044
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to novel aromatic urethane (meth)acrylates having a high refractive index, a process for the preparation thereof and a process for the production of holographic media.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.