Ion-exchange membranes, filters, and methods
US12179188B2 · kind B2 · utility
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Key dates
| Filing date | Jan 25, 2024 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Jan 25, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2439/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described are ion-exchange membranes that include a porous polymeric membrane and imidazole ion-exchange groups at surfaces of the membrane; ion-exchange membranes and filters that contain the ion-exchange membranes; and methods of using the ion-exchange membranes and filters for separating charged biological molecule from a liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.