Mass transfer membrane for oxygenation of animal cell reactors
US5288631A · kind A · utility
7Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1992 |
| Grant date | Feb 22, 1994 |
| Priority date | — |
| Expiry date | Jan 17, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12M29/16
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A tubular membrane suitable for the delivery of a gaseous fluid to a surrounding medium has an irregular exterior surface to facilitate the diffusion of gas from the lumen to the exterior.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.