Hollow fiber membrane
US6447679B1 · kind B1 · utility
23Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2000 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Feb 1, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/13
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a gas-permeable hollow fiber membrane having an inner diameter of 50 to 500 &mgr;m, which is preferably a composite hollow fiber membrane having a three-layer structure consisting of a nonporous layer having porous layers disposed on both sides thereof. This membrane can be used to remove dissolved gases present in an ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.