Process for producing an aqueous suspension of nitrifying bacteria
US4874707A · kind A · utility
13Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 1988 |
| Grant date | Oct 17, 1989 |
| Priority date | — |
| Expiry date | Jul 25, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N1/04
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The invention relates to a process for producing an aqueous suspension of nitrifying bacteria using a growth medium containing ammonia or nitrite, in which the bacteria remain metabolically and physiologically active by induction of the specific nitrification enzyme systems, in which the bacteria can be kept for long periods and can be finally used, as well as a device for carrying out the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.