Production and use of improved composite fluid separation membranes
US5356459A · kind A · utility
21Cited by
50References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1993 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Jun 30, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Multilayer composite membranes are produced in a one-step coating process that provides an interior gas separation layer and an external defect sealing layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.