Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747484 | Crystalline cepham acid addition salts and processes for their preparation | Walter Durckheimer, Peter Schmid | 1998-05-05 |
| 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 |
| 5589594 | Process for the preparation of cephem prodrug esters | Elisabeth Defossa, Gerd Fischer, Uwe Gerlach, Rolf Horlein, Norbert Krass +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, Gerd Fischer, Joachim-Heiner Jendralla, Theodor Wollmann, Dieter Isert | 1996-09-17 |
| 5550232 | Diastereomers of 1-(isopropoxycarbonyloxy) ethyl 3-cephem 4-carboxylate | Gerd Fischer, Elisabeth Defossa, Uwe Gerlach, Rolf H orlein, Norbert Krass +3 more | 1996-08-27 |
| 5461043 | Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate | Gerd Fischer, Elisabeth Defossa, Uwe Gerlach, Rolf Horlein, Norbert Krass +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, Gerd Fischer, Uwe Gerlach, Rolf-Ludwig HOERLEIN +4 more | 1995-04-25 |
| 5405844 | Tetracyclic antibiotics and processes for their preparation | Uwe Gerlach, Rolf Horlein, Norbert Krass, Theo Wollmann, Michael Limbert +1 more | 1995-04-11 |
| 5198544 | Process for the preparation of penem compounds | Karl-Heinz Budt, Walter Durokheimer, Gerd Fischer, Rolf Horlein, Reiner Kirrstetter | 1993-03-30 |
| 5071979 | Cephalosporin derivatives | Manfred Wieduwilt, Walter Durckheimer, Jurgen Blumbach, Karl Seeger | 1991-12-10 |
| 5036063 | Penem derivatives | Walter Durckheimer, Gerhard Seibert | 1991-07-30 |
| 4845087 | Crystallized cephem-acid addition salts, and a process for the preparation thereof | Walter Durckheimer, Reiner Kirrstetter | 1989-07-04 |
| 4746661 | Phenylpiperazine propyloxyquinolinones and methods for sedating and inhibiting aggression in livestock therewith | Peter Klatt, Hermann Gerhards, Fritz Bauer | 1988-05-24 |
| 4692516 | Process for the manufacture of 3-pyridinium-methyl-cephalosporins | Reiner Kirrstetter, Walter Durckheimer, Wilfried Schwab | 1987-09-08 |
| 4667028 | Process for the preparation of cephem compounds | Wilfried Schwab, Walter Durckheimer, Reiner Kirrstetter | 1987-05-19 |
| 4647556 | Cephalosporin derivatives | Reiner Kirrstetter, Wilfried Schwab, Walter Durckheimer, Gerhard Seibert | 1987-03-03 |
| 4609653 | Crystalline cephem-acid addition salts and processes for their preparation | Walter Durckheimer | 1986-09-02 |
| 4470989 | Neuroleptic n-oxacyclyl-alkylpiperidine derivatives | Rainer Henning, Hermann Gerhards | 1984-09-11 |
| 4234584 | Substituted phenylpiperazine derivatives | Wilhelm Bartmann, Hermann Gerhards | 1980-11-18 |