Surface modified porous membrane and process
US6354443B1 · kind B1 · utility
76Cited by
35References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 1, 1997 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | May 1, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31544
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A porous membrane product is provided which is formed from a porous membrane substrate having its surface completely modified with a perfluorocarbon copolymer composition. The porous membrane product has substantially the same permeability as the porous membrane substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.