Selectively CO 2-permeable membrane, method for separating CO2 from mixed gas, and membrane separation equipment
US9597632B2 · kind B2 · utility
2Cited by
3References
8Claims
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Key dates
| Filing date | Feb 6, 2013 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Mar 26, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a CO2 permselective membrane 1 having an amino acid ionic liquid and a porous membrane impregnated with the amino acid ionic liquid, wherein the amino acid ionic liquid contains a certain range of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.