Cation exchange membrane and use
US4990228A · kind A · utility
12Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Feb 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/444
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A fluorinated cation exchange membrane made using reinforcement of oriented, hydrolyzed fabric of a cation exchange copolymer, the fabric having a coating of a melt-processible precursor or derivative of a fluorinated cation exchange resin on at least one surface or throughout.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.