Forward osmosis draw material
US10814279B2 · kind B2 · utility
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25Claims
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Key dates
| Filing date | Sep 15, 2015 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Oct 26, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2400/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydrogel composite draw material for forward osmosis comprising: a porous elastic polymeric foam element including a three-dimensional continuous network of pores interpenetrated with a polymer hydrogel. In use, the hydrogel composite draw material draws a water flux of at least 3.5 L/m2h.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.