Reverse osmosis membranes and separations
US10486107B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Nov 10, 2016 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Nov 10, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Asymmetric membrane structures are provided that are suitable for various types of separations, such as separations by reverse osmosis. Methods for making an asymmetric membrane structure are also provided. The membrane structure can include at least one polymer layer. Pyrolysis can be used to convert the polymer layer to a porous carbon structure with a higher ratio of carbon to hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.