Cation exchange membrane of fluorinated polymer for electrolysis and preparation thereof
US4255523A · kind A · utility
19Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1978 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | May 3, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3154
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cation exchange membrane of a fluorinated polymer is formed by incorporating fibrils of polytetrafluoroethylene into a cation exchange resin of a fluorinated polymer having carboxylic acid groups or functional groups which can be converted to carboxylic acid groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.