Separation membrane and process for manufacturing the same
US4689150A · kind A · utility
50Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1986 |
| Grant date | Aug 25, 1987 |
| Priority date | — |
| Expiry date | Feb 24, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2218/15
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A separation membrane includes a glassy microporous membrane and a ceramic porous support. The separation membrane has excellent heat resistance, corrosion resistance, durability, gas-separability and high mechanical strength. The separation membrane is preferably provided with a metallic or ceramic microporous membrane vapor-deposited on the surface of the glassy microporous membrane. The separation membrane can be utilized with high efficiency in diversified fields such as microfiltration or ultrafiltration of liquidal or gaseous fluids. A process for manufacturing such a separation membrane is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.