Apparatus for oxygenating culture medium
US4897359A · kind A · utility
37Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1989 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Mar 27, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12M23/24
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
An oxygenator, particularly for proving oxygen and/or carbon dioxide or other gases to culture medium used in the in vitro culture of animal cells, comprised of a collection of elongate gas-permeable, liquid-impermeable tubes through which oxygen-containing gas flows and permeates through the tube walls to provide bubble- and foam-free oxygen gas to medium in contact with or in proximity to the tubes, the individual tubes having an outside diameter of less than about 1 mm and a wall thickness of from about 0.1 mm to about 0.25 mm, the tube collection preferably be radially spread apart at at least one point along its length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.