Cephalosporins
US5538963A · kind A · utility
1Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1994 |
| Grant date | Jul 23, 1996 |
| Priority date | — |
| Expiry date | Sep 27, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The syn isomer of a compound of the formula ##STR1## in the R or S form or a mixture of R and S forms wherein selected from the group consisting of ##STR2## and their non-toxic, pharmaceutically acceptable acid addition salts wherein the substituents are defined as in the specification having antibacterial activity and their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.