Patent · US Expired

Ion conductive block copolymers

US7094490B2 · kind B2 · utility

20Cited by
194References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2003
Grant dateAug 22, 2006
Priority date
Expiry dateMay 13, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

This invention relates to ion conductive copolymers which are useful in forming polymer electrolyte membranes used in fuel cells.

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