CO2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations
US11718805B2 · kind B2 · utility
2Cited by
3References
16Claims
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Key dates
| Filing date | Jan 4, 2021 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Nov 20, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This disclosure relates to CO2-philic crosslinked polyethylene glycol membranes useful for natural gas purification processes. Also provided are methods of using the membranes to remove CO2 and H2S from natural gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.