Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6054460 | Anticonvulsive and antiallergic/antiasthmatic pyrazolo-[3,4-d]pyrimidines, and process for preparing | Thomas Arnold, Hans-Joachim Lankau, Angelika Rostock, Christine Tober, Klaus Unverferth | 2000-04-25 |
| 5869481 | Anticonvulsive 1-ar(alk)ylimidazolin-2-ones and process for making | Hans-Joachim Lankau, Klaus Unverferth, Karl Gewald, Harry Schafer, deceased | 1999-02-09 |
| 5817685 | Anticonvulsive imidazoline-2,4-diones and process for making | Hans-Joachim Lankau, Angelika Rostock, Klaus Unverferth | 1998-10-06 |