Method for preparing porous membrane of fluorine-based resin
US11420162B2 · kind B2 · utility
0Cited by
8References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 24, 2018 |
| Grant date | Aug 23, 2022 |
| Priority date | — |
| Expiry date | Mar 26, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/24
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a method for preparing a porous membrane of a fluorine-based resin having an improved shrinkage while maintaining excellent filtration efficiency and air permeability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.