Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723463 | Pyrido 3,2-E!pyrazinones with anti-asthmatic action and processes for their manufacture | Norbert Höfgen, Thomas Buchner, Stefan Szelenyi, Bernhard Kutscher | 1998-03-03 |
| 5464838 | Aminocarboxylic acid derivatives having antiallergic/antiasthmatic effect and a process for their preparation | Bernhard Kutscher, Georg Niebch, Ilona Fleischhauer, Jurgen Engel, Stefan Szelenyi | 1995-11-07 |