Intermediates in cephalosporin production
US6894162B2 · kind B2 · utility
2Cited by
11References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2001 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Oct 8, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cefuroxime in the form of a salt with n-butylamine; and its use for the production of cefuroxime axetil or for the production of the sodium salt of cefuroxime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.