Cation exchange electrolytic cell membranes and method for making and repairing
US4535112A · kind A · utility
6Cited by
0References
7Claims
0Family size
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Key dates
| Filing date | Sep 21, 1983 |
| Grant date | Aug 13, 1985 |
| Priority date | — |
| Expiry date | Sep 21, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for repairing perfluorocarbon copolymeric cation exchange membranes. A quantity of a perfluorocarbon copolymer having a desired pendant cation exchange functional group is partially solvated in a solvating dispersion media, applied to areas of the membrane to be repaired, and the dispersion media removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.