Patent · US Expired

Homopolymers which exhibit a high level of photo-inducable birefringence

US7214752B2 · kind B2 · utility

1Cited by

5References

3Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Horst Berneth · Leverkusen, DE
Uwe Claussen · Leverkusen, DE
Serguei Kostromine · Rheinbach, DE
Ralf Neigl · Leverkusen, DE
Hans-Joachim Vedder · Puchheim, DE

Key dates

Filing date	Nov 29, 2004
Grant date	May 8, 2007
Priority date	—
Expiry date	Jul 4, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG11C13/042
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Homopolymers suitable for storage of information provided optically are disclosed. The are formed from monomers which

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