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