Sulfonated copolymer
US7202001B2 · kind B2 · utility
6Cited by
155References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2003 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Sep 26, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to sulfonated copolymers which are useful in forming polymer electrolyte membranes used in fuel cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.