Bipolar membrane and method for fabricating such bipolar membrane
US6217733A · kind A · utility
14Cited by
1References
15Claims
0Family size
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Key dates
| Filing date | May 5, 1997 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | May 5, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2381/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A bipolar membrane, usable for electrodialysis of aqueous electrolytes, comprises two ion exchange membranes, respectively anionic and cationic, juxtaposed along a common surface, wherein, along said common surface, a gel based on hydrated metal sulpate and/or sulphite, including less than 0.01 mol % of indium, cerium, manganese and copper sulphates gel, is formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.