Issued Patents All Time
Showing 1–12 of 12 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 |
| 5589594 | Process for the preparation of cephem prodrug esters | Elisabeth Defossa, Uwe Gerlach, Rolf Horlein, Norbert Krass, Rudolf Lattrell +2 more | 1996-12-31 |
| 5556850 | Crystalline acid addition salts of diastereomerically pure 1-(2,2-dimethyl-propionyloxy)-ethyl-3-cephem-4-carboxylate | Elisabeth Defossa, Joachim-Heiner Jendralla, Rudolf Lattrell, Theodor Wollmann, Dieter Isert | 1996-09-17 |
| 5550232 | Diastereomers of 1-(isopropoxycarbonyloxy) ethyl 3-cephem 4-carboxylate | Elisabeth Defossa, Uwe Gerlach, Rolf H orlein, Norbert Krass, Rudolf Lattrell +3 more | 1996-08-27 |
| 5461043 | Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate | Elisabeth Defossa, Uwe Gerlach, Rolf Horlein, Norbert Krass, Rudolf Lattrell +3 more | 1995-10-24 |
| 5410042 | Process for the cleavage of cephalosporin prodrug esters to 7-amino-3-methoxymethylceph-3-em-4-carboxylic acid | Norbert Krass, Elisabeth Defossa, Uwe Gerlach, Rolf-Ludwig HOERLEIN, Rudolf Lattrell +4 more | 1995-04-25 |
| RE34865 | Cephalosporin derivatives | Friedhelm Adam, Jurgen Blumbach, Walter Durckheimer, Burghard Mencke, Dieter Isert +1 more | 1995-02-21 |
| 5306717 | Cephalosporin derivatives | Friedhelm Adam, Walter Durckheimer, Burkhard Mencke, Gerhard Seibert, Dieter Isert +1 more | 1994-04-26 |
| 5198544 | Process for the preparation of penem compounds | Karl-Heinz Budt, Walter Durokheimer, Rolf Horlein, Reiner Kirrstetter, Rudolf Lattrell | 1993-03-30 |
| 5100887 | Cephalosporin derivatives | Friedhelm Adam, Jurgen Blumbach, Walter Durckheimer, Burghard Mencke, Dieter Isert +1 more | 1992-03-31 |