Porous body, polymer electrolyte membrane, filter material for filter, and filter unit
US10688448B2 · kind B2 · utility
0Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2014 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | May 1, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a porous body having high strength, a small pore size, and excellent homogeneity. The porous body of the present invention includes polytetrafluoroethylene and has a microstructure that includes nodes and fibrils. The microstructure further includes, in addition to the nodes and the fibrils, fused points where a fibril that links two nodes and another fibril that links another two nodes are fused with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.