Modified clay sorbents and methods of sorbing PFAS using the same
US11000822B2 · kind B2 · utility
2Cited by
3References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 22, 2020 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | May 22, 2040 |
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.