Fluorinated filter membrane, filters, and methods
US11896932B2 · kind B2 · utility
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13References
15Claims
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Key dates
| Filing date | Mar 15, 2019 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Mar 8, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/22
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described are filtration membranes that include a porous fluoropolymer membrane and thermally stable ionic groups; filters and filter components that include these filtration membranes; methods of making the filtration membranes, filters, and filter components; and method of using a filtration membrane, filter component, or filter to remove unwanted material from fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.