Membrane cell culturing device
US4661455A · kind A · utility
93Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1986 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Jan 16, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12M29/04
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The present invention provides a novel apparatus for culturing mammalian cells, whereby a plastic housing encasing a double membrane bag or bags supplies nutrients and oxygen to mammalian cells for propagation thereof. The double membrane bag contains a first bag formed of a microfiltration or ultrafiltration membrane disposed within a second membrane bag formed of a liquid impermeable, gas permeable membrane. This apparatus has a first chamber containing oxygen, a second chamber containing cells and a third chamber containing nutrients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.