Separation membrane having excellent antifouling properties for water treatment and manufacturing method thereof
US9650263B2 · kind B2 · utility
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2References
18Claims
0Family size
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Key dates
| Filing date | Mar 4, 2014 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Sep 6, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A water treatment separation membrane includes a support having pores, a polyamide layer formed on the support, and a passivation layer formed on the polyamide layer by using an aqueous solution including an amine-containing compound, an epoxy-containing compound and a fluorine-containing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.