Process for the fermentative production of cephalosporin
US6552185B1 · kind B1 · utility
2Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2000 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Nov 16, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P35/00
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method for the recovery of a compound formula (I) from a complex mixture, comprising the steps of: (a) acidifying the complex mixture to a pH below 6.5 and maintaining the mixture below said pH at a temperature of between 50° C. and 130° C.; and/or (b) contacting the complex mixture with a carbon dioxide source; and (c) subjecting the mixture obtained after steps (a) and/or (b) to chromatography to obtain the compound of formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.