Crosslinked polyphosphazene blends for gas separation membranes
US11866555B1 · kind B1 · utility
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9Claims
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Key dates
| Filing date | Aug 19, 2019 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Nov 9, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The disclosed invention relates to a composition comprising a crosslinked blend of polyphosphazene polymers. The composition comprises a first polyphosphazene and a second polyphosphazene, where the first polyphosphazene and the second polyphosphazene being bound by a thiol bearing crosslinking agent. Such compositions are useful as a membrane material for the separation of gasses in a gaseous mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.