Sulfonated polyphenylene polymers
US7301002B1 · kind B1 · utility
24Cited by
5References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 10, 2004 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Sep 10, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of Nafion® membranes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.