Dry process for forming polycarbonate membranes
US4048271A · kind A · utility
22Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 1976 |
| Grant date | Sep 13, 1977 |
| Priority date | — |
| Expiry date | Jan 5, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2369/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Integral, skinned and unskinned, microporous microfiltration and ultrafiltration, electrophoresis membranes having high void volumes (above 50% void) composed of polycarbonates and copolymers of polycarbonates with polyalkylene oxides and the dry process for producing such membranes are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.