Patent · US Expired

Polyaniline compositions having a surface/core dopant arrangement

US5281363A · kind A · utility

60Cited by

13References

32Claims

0Family size

Assignee

AlliedSignal, Inc. · US

Inventors

Lawrence W. Shacklette · Maplewood, US
Granville G. Miller · Morristown, US
Ronald L. Elsenbaumer · Morristown, US
Chien-Chung Han · Madison, US
Bernhard M. WeBling · Bargteheide, DE
Bernhard Wessling · Tremsbüttel, DE

Key dates

Filing date	Apr 22, 1991
Grant date	Jan 25, 1994
Priority date	—
Expiry date	Apr 22, 2011

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A electrically conductive polyaniline particle comprising a substituted or unsubstituted polyaniline doped with two or more dopants, at least one of said dopants predominating at or near the surface of said particles and at least one other dopant predominating at or near the core of said particle.

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