Modified clay sorbents and methods of sorbing PFAS using the same
US12083494B2 · kind B2 · utility
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8References
18Claims
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Key dates
| Filing date | May 22, 2020 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Sep 9, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of sorbing a PFAS compound from a contaminated environment can include admixing a modified clay sorbent with the environment. The modified clay can include a clay intercalated with a blend of mono-quaternary amine compound and di-quaternary amine compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.