Cation exchanger
US5128378A · kind A · utility
5Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1990 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Oct 2, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A cation exchanger of polysulfone polymer consisting essentially of a sulfonated product of a polysulfone polymer having at least one chloromethyl (--CH.sub.2 Cl) or mercapto (--SH) group per molecule, or a cured product thereof, and having an ion exchange capacity of from 0.5 to 3.5 meq/g dry resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.