Patent · US Expired

Dispersible polymer powders

US7118690B2 · kind B2 · utility

71Cited by

7References

9Claims

0Family size

Assignee

H.C. STARCK INC. · US

Inventors

Bernhard Wessling · Tremsbüttel, DE
Stephan Kirchmeyer · Leverkusen, DE
Dietrich Gehrmann · Leverkusen, DE

Key dates

Filing date	Nov 20, 2001
Grant date	Oct 10, 2006
Priority date	—
Expiry date	Nov 6, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/13
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Disclosed herein is a water-dispersible powder consisting essentially of polymers T comprising recurring thiophene units and at least one further polyanionic polymer P and process for preparing and using the same.

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