Grafted membranes and substrates having surfaces with switchable superoleophilicity and superoleophobicity and applications thereof
US9708199B2 · kind B2 · utility
3Cited by
1References
47Claims
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Key dates
| Filing date | Sep 27, 2012 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Jul 28, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2172
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed herein are surface-modified membranes and other surface-modified substrates exhibiting switchable oleophobicity and oleophilicity in aqueous media. These membranes and substrates may be used for variety of applications, including controllable oil/water separation processes, oil spill cleanup, and oil/water purification. Also provided are the making and processing of such surface-modified membranes and other surface-modified substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.