Patent · US Expired

Electrically conductive polypyrrole derivatives

US4401545A · kind A · utility

48Cited by

8References

4Claims

0Family size

Assignee

BASF SE

Inventors

Herbert Naarmann · Wattenheim, DE
Dieter Naegele · Worms, DE
Klaus Penzien · Bischofswerda, DE
Johannes Schlag · Ludwigshafen, DE
Volker Kiener · Bad Dürkheim, DE
Hugo Boehm · Ludwigshafen, DE

Key dates

Filing date	Dec 21, 1981
Grant date	Aug 30, 1983
Priority date	—
Expiry date	Dec 21, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Electrically conductive complexes of polypyrroles with nitroaromatic anions are prepared by polymerizing pyrrole, an N-alkylpyrrole and/or an N-arylpyrrole by anodic oxidation in a polar solvent, in the presence of a salt of an acidic nitroaromatic compound.

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