Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182294 | Imidazolyl propyl guanidine derivative and a pharmaceutical composition containing this compound | Heidrun Engler, Helmut Schickaneder, Kurt H. Ahrens | 1993-01-26 |
| 5108998 | Cardiotonic thiadiazine derivatives | Heidrun Engler, Reinhold Weidner, Rolf Herter, Kurt H. Ahrens | 1992-04-28 |
| 5039675 | Benzimidazoles and pharmaceutical preparations containing these compounds | Helmut Schickaneder, Rolf Herter, Volker Pfanhlert, Geidrun Engler, Kurt H. Ahrens | 1991-08-13 |
| 4968683 | 6-oxo-pyridazine derivatives, a process for their preparation and medicaments containing these compounds | Rolf Herter, Heidrun Engler, Volker Pfahlert, Reinhold Weidner, Kurt H. Ahrens | 1990-11-06 |
| 4957920 | Benzimidazoles, and pharmaceutical preparations containing these compounds | Helmut Schickaneder, Rolf Herter, Volker Pfahlert, Heidrun Engler, Kurt H. Ahrens | 1990-09-18 |
| 4954501 | Piperazine substituted 6-phenyldihydro-3(2H)-pyridazinones, and pharmaceutical preparations containing these | Rolf Herter, Volker Pfahlert, Heidrun Engler, Helmut Schickaneder, Kurt H. Ahrens | 1990-09-04 |
| 4948802 | Guanidine carboxylic acid esters and pharmaceutical preparations containing these compounds | Helmut Schickaneder, Volker Pfahlert, Heidrun Engler, Armin Buschauer, Walter Schunack | 1990-08-14 |
| 4921856 | Dihydropyridazinone derivatives, a process for their preparation and pharmaceutical preparations containing these compounds | Helmut Schickaneder, Volker Pfahlert, Heidrun Engler, Kurt H. Ahrens | 1990-05-01 |
| 4912119 | Imidazolylguanidine derivatives and compositions containing these compounds | Armin Buschauer, Helmut Schickaneder, Walter Schunack, Gert Baumann, Kurt H. Ahrens | 1990-03-27 |
| 4757080 | 1,4-dihydropyridine derivatives | Helmut Schickaneder, Armin Buschauer, Walter Schunack, Heidrun Engler, Hartmut Vergin +1 more | 1988-07-12 |
| 4732986 | Benzothiazole derivatives, processes for their preparation and pharmaceutical compositions containing these compounds | Kay Brune, Heidrun Engler, Istvan Szelenyi, Helmut Schickaneder, Kurt H. Ahrens | 1988-03-22 |
| 4666921 | Pyrazole derivatives, processes for their preparation and pharmaceutical preparations containing these compounds | Rolf Herter, Helmut Schickaneder, Stefan Postius, Istvan Szelenyi, Kurt H. Ahrens | 1987-05-19 |
| 4659721 | Alkanol derivatives, and pharmaceutical preparation containing these compounds | Helmut Schickaneder, Stefan Postius, Istvan Szelenyi, Rolf Herter, Kurt H. Ahrens | 1987-04-21 |
| 4656180 | Diamine derivatives and pharmaceutical preparations containing these compounds | Stefan Postius, Rolf Herter, Helmut Schickaneder, Istvan Szelenyi, Kurt H. Ahrens | 1987-04-07 |
| 4600721 | Pharmaceutical preparation | Helmut Schickaneder, Heidrun Engler, Istvan Szelenyi, Kurt H. Ahrens, Kay Brune | 1986-07-15 |
| 4599346 | Propan-2-ol derivatives, a process for their production and medicaments containing these compounds | Helmut Schickaneder, Stefan Postius, Rolf Herter, Istvan Szelenyi, Kurt H. Ahrens | 1986-07-08 |
| 4578389 | Quinazoline and medicaments containing these compounds | Helmut Schickaneder, Istvan Szeleny, Kurt H. Ahrens | 1986-03-25 |
| 4559344 | Pyridine-pyrimidinone derivatives, a process for their production and H.sub. -antagonist medicament containing these compounds | Helmut Schickaneder, Stefan Postius, Istvan Szelenyi, Rolf Herter, Herbert Hansen +1 more | 1985-12-17 |