Porous membrane and preparation method thereof
US8739978B2 · kind B2 · utility
28Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2009 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Nov 9, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/24
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a porous membrane with high tensile strength, good elongation at break, and good water permeability, and a method for manufacturing the same. The porous membrane comprises a bead structure including plural spherical crystallites, wherein macro voids isolated from one another with the plural spherical crystallites are formed in an outer surface side of the porous membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.