Development of zwitterionic coatings that confer ultra anti-biofouling properties to commercial reverse osmosis membranes
US9598598B2 · kind B2 · utility
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3References
20Claims
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Key dates
| Filing date | Jul 7, 2014 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Oct 27, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed are methods of preparing antifouling coatings on reverse osmosis membranes with initiated chemical vapor deposition. The coatings enhance the stability and lifetime of membranes without sacrificing performance characteristics, such as permeability or salt retention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.