Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556856 | Phthalazinone derivatives that modulate multi-drug resistance | Jurgen Engel, Bernhard Kutscher, Ilona Fleischhauer, Stefan Szelenyi, Ulrich Werner | 1996-09-17 |
| 5405847 | 4,5-dihydro-4-oxo-pyrrolo[1,2-a]quinoxalinones and corresponding aza analogs and a process for their preparation | Hans-Reinhold Dieter, Jurgen Engel, Karl H. Klingler, Bernhard Kutscher, Stefan Szelenyi +2 more | 1995-04-11 |