Patent · US Expired

Polythiophenes and electronic devices generated therefrom

US6770904B2 · kind B2 · utility

74Cited by
12References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 11, 2002
Grant dateAug 3, 2004
Priority date
Expiry dateJan 11, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K85/151
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An electronic device containing a polythiophene wherein R represents a side chain, m represents the number of R substituents; A is a divalent linkage; x, y and z represent, respectively, the number of Rm substituted thienylenes, unsubstituted thienylenes, and divalent linkages A, respectively, in the monomer segment subject to z being 0 or 1, and n represents the number of repeating monomer segments in the polymer or the degree of polymerization.

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