Process for spinning dense hollow fiber cellulosic membrane
US4219517A · kind A · utility
12Cited by
48References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 12, 1978 |
| Grant date | Aug 26, 1980 |
| Priority date | — |
| Expiry date | Oct 12, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2975
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dense hollow fiber cellulosic membrane which possesses outstanding permeability and strength characteristics and the method of preparation thereof is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.