Cephalosporin antibiotics
US4338437A · kind A · utility
7Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1980 |
| Grant date | Jul 6, 1982 |
| Priority date | — |
| Expiry date | Apr 30, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process and intermediate products useful in the preparation of cephalosporin compounds having a substituent at the 7-position in place of hydrogen are provided. The new cephalosporin compounds are active against various gram-negative and gram-positive organisms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.