Process for preparing peroxydisulfates of alkali metals and ammonium
US4310394A · kind A · utility
4Cited by
4References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 15, 1981 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Jan 15, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B1/29
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for preparing peroxydisulfates by electrolysis in a diaphragm cell uses a diaphragm, the active part of which comprises a cation exchange polymer made up of a membrane with a sulfonated polystyrene base resin supported by a polypropylene fabric. The process is applicable to the preparation of peroxydisulfates of alkali metals and of ammonium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.