Patent · US Active

Conjugated copolymers, representation and use thereof

US7772323B2 · kind B2 · utility

4Cited by

4References

23Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Heinrich Becker · Königstein, DE
Esther Breuning · Ober-Ramstadt, DE
Aurelie Falcou · Mainz, DE
Amir Hossain Parham · Frankfurt am Main, DE

Key dates

Filing date	Aug 12, 2004
Grant date	Aug 10, 2010
Priority date	—
Expiry date	Apr 21, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to conjugated copolymers comprising blocks which are linked by random or partly random sections. The materials of the invention display an improved efficiency, a reduced operating voltage and a longer life.

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