Porous polymer film and production method for porous polymer film
US9283525B2 · kind B2 · utility
0Cited by
9References
10Claims
0Family size
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Key dates
| Filing date | Jun 20, 2012 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Nov 15, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention aims to provide a porous polymer membrane that is excellent not only in water permeability and alkali resistance but also in mechanical strength. The porous polymer membrane of the present invention includes a fluoropolymer (A) that includes a vinylidene fluoride unit and a tetrafluoroethylene unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.