Selectively permeable graphene oxide membrane
US11117101B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Mar 23, 2018 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Mar 27, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A20/131
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described herein is a crosslinked graphene and biopolymer (e.g. lignin) based composite membrane that provides selective resistance for solutes while providing water permeability. The membrane may include optional additional functional additives in a crosslinked material matrix that provides enhanced salt separation from water. Methods for making such membranes, and methods of using the membranes for dehydrating or removing solutes from water are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.