Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Bernhard Kutscher, Stefan Szelenyi, Ute Achterath-Tuckermann +2 more | 1995-04-11 |
| 4317832 | Indolyl and methylindolyl substituted aminoalkyl guanidines | Axel Kleemann, Fritz Stroman, Klaus Thiemer | 1982-03-02 |
| 4245093 | Process for the production of basic substituted alkyltheophylline derivatives | Franz Hitzel, Erich Bickel | 1981-01-13 |
| 4226803 | Process for production of optically active bases | Horst Traube | 1980-10-07 |