Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637721 | Process for the preparation of cephem prodrug esters | Elisabeth Defossa, Gerd Fischer, Uwe Gerlach, Rolf Horlein, Norbert Krass +2 more | 1997-06-10 |
| 5629288 | Lipopeptide derivatives, a process for their preparation and their use | Theodor Wollmann, Holger Wallmeier, Peter Hammann, Dieter Isert | 1997-05-13 |
| 5614623 | Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate and processes for their preparation | Gerd Fischer, Elisabeth Defo.beta.a, Uwe Gerlach, Rolf H orlein, Norbert Krass +3 more | 1997-03-25 |
| 5594133 | Crystalline acid addition salts of diastereomerically pure 1-(2,2-dimethylpropinonyloxy)-ethyl-3-cephem-4-carboxylate | Elisabeth Defossa, Gerd Fischer, Joachim-Heiner Jendralla, Theodor Wollmann, Dieter Isert | 1997-01-14 |