Patent · US Active

Photopolymer formulation for producing holographic media

US9098065B2 · kind B2 · utility

7Cited by

2References

17Claims

0Family size

Assignee

Bayer Intellectual Property GmbH · DE

Inventors

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

Key dates

Filing date	Nov 4, 2011
Grant date	Aug 4, 2015
Priority date	—
Expiry date	Feb 1, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG11B7/24044
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a photopolymer formulation, comprising at least one polyol component, a polyisocyanate component, a write monomer, a photoinitiator, and a catalyst, wherein the photopolymer formulation has an activation temperature >8300 K. The invention further relates to a method for producing a holographic medium, to a holographic medium that can be obtained according to the method according to the invention, and to the use of a holographic medium according to the invention for producing a hologram.

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