Porous article
US8808848B2 · kind B2 · utility
34Cited by
59References
73Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2010 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Mar 31, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249993
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Porous articles having an expanded fluoropolymer and a coherent irregular network are described. In one embodiment, the coherent irregular network is attached to the expanded fluoropolymer at only a portion of the adjacent region. In another aspect of the invention the coherent irregular network is a free standing film. The coherent irregular network in one embodiment has a surface roughness defined by an Sp value of greater than 35 um.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.