Process for fermentatively producing vitamin B.sub.12
US4210720A · kind A · utility
1Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1978 |
| Grant date | Jul 1, 1980 |
| Priority date | — |
| Expiry date | May 23, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/83
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A process for fermentatively producing vitamin B.sub.12, which comprises cultivating a vitamin B.sub.12 -producing microorganism belonging to at least one of the genus Arthrobacter and the genus Propionibacterium in the presence of a pre-cultivation product of a vitamin B.sub.12 -producing microorganism belonging to at least the other genus, and separating vitamin B.sub.12 from the culture broth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.