Hollow fiber annealing
US4900502A · kind A · utility
8Cited by
9References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1988 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Nov 7, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01D5/24
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for improving both the internal burst strengths and gas and water permeabilities of certain microporous polymeric hollow fibers useful in RO applications comprises a wet annealing process for certain such fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.