Selectively permeable barriers
US5147553A · kind A · utility
119Cited by
5References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1991 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Mar 29, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D69/1251
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus and process for separating a fluid mixture into less permeable and more permeable fractions employing novel selectively permeable barriers comprised of a porous, emulsion treated substrate and a non-porous selectively permeable barrier layer thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.