Gas-producing device
US4200610A · kind A · utility
8Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 1978 |
| Grant date | Apr 29, 1980 |
| Priority date | — |
| Expiry date | Jan 9, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/81
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A device for providing a non-toxic atmosphere for use in culturing anaerobic micro-organisms comprising: a closed envelope of inert material having a frangible portion which may be ruptured to allow the ingress of liquid; within the envelope a closed sachet, one part of which is formed of a gas- and liquid-permeable membrane; and material disposed within the sachet adjacent to the membrane for reacting with a liquid to generate the desired gaseous atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.