Patent · US Expired

Electrochromic contrast plate

US6930815B2 · kind B2 · utility

4Cited by

4References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Horst Berneth · Leverkusen, DE
Wolfgang Jacobsen · Berlin, DE
Serguei Kostromine · Rheinbach, DE
Ralf Neigl · Leverkusen, DE

Key dates

Filing date	Sep 18, 2001
Grant date	Aug 16, 2005
Priority date	—
Expiry date	Nov 20, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/0421
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to electrochromic side-chain oligomers or polymers which can be used as electrochromic media.

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