Patent · US Expired

Conductive polymers derived from 3-alkylthiophenes, a process for manufacturing them and electroconductive devices containing them

US4909959A · kind A · utility

70Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 1987
Grant dateMar 20, 1990
Priority date
Expiry dateApr 1, 2007

Classification

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

Abstract

The subject of the invention is mainly an electrically conductive polymer containing repeated units derived from 3-alkythiophenes in which the alkyl substituent contains from six to nine carbon atoms. The invention also relates to a process for manufacturing these polymers and to electroconductive devices containing them.

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