Article of manufacture including a surface modified membrane and process
US5976380A · kind A · utility
59Cited by
35References
34Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 1, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | May 1, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2321/185
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtration device is provided which includes a housing containing a porous membrane formed of a porous membrane substrate having its exposed surface completely modified with a perfluorocarbon copolymer composition. The porous membrane has substantially the same permeability as the porous membrane substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.