Patent · US Expired

Electrochromic system with coupled RED-OX system and special anions

US6767481B2 · kind B2 · utility

6Cited by

9References

16Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Horst Berneth · Leverkusen, DE
Serguei Kostromine · Rheinbach, DE

Key dates

Filing date	May 17, 2002
Grant date	Jul 27, 2004
Priority date	—
Expiry date	Nov 4, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31504
WIPO fieldOptics
WIPO sectorInstruments

Abstract

This invention relates to electrochromic fluids based on electrochromic systems containing at least one oxidizable substance RED1 and at least one reducible substance OX2 linked covalently by a bridge that are suitable for use in electrochromic devices.

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