Cephalosporins
US5728828A · kind A · utility
0Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1995 |
| Grant date | Mar 17, 1998 |
| Priority date | — |
| Expiry date | May 30, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A syn isomer in (R) or (S) form or a mixture thereof of a compound of the formula ##STR1## syn isomer, in the (R) or (S) form or in the form of an (R,S) mixture, in the form of an internal salt or their salts with organic or mineral acids wherein the substituents are as set forth below.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.