Patent · US Expired

Aromatic polymer, method for producing the same and uses thereof

US7285616B2 · kind B2 · utility

6Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 2003
Grant dateOct 23, 2007
Priority date
Expiry dateJul 4, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

There is provided a polymer electrolyte which shows excellent characteristics as proton conductive membrane of fuel cells and the like. This polymer electrolyte contains an aromatic polymer which is characterized by having a super strong acid group in a side chain.

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