Composite membrane with highly crystalline porous support
US6110333A · kind A · utility
45Cited by
24References
31Claims
0Family size
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Key dates
| Filing date | Apr 30, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Apr 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite membrane including an ion exchange polymer and a support of expanded polytetrafluoroethylene polymer having a porous microstructure of polymeric fibrils, said expanded polytetrafluoroethylene polymer being at least about 85% crystalline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.