Process for the preparation of an oxytetracycline-calcium silicate complex salt from fermentation broth
US4584135A · kind A · utility
1Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1983 |
| Grant date | Apr 22, 1986 |
| Priority date | — |
| Expiry date | Sep 29, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P29/00
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The invention relates to a process for the preparation of an oxytetracycline-calcium silicate complex salt from fermentation broth. By the process according to the invention the valuable antibiotic oxytetracycline may be separated from the fermentation broth in an easy manner. The complex obtained according to (a) contains up to 50% of antibiotic and is suitable for the processing in the pharmaceutical industry while the product according to (b) contains 10 to 20% of antibiotic and may be used as fodder additive directly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.