Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851420 | 2,6-diamino-3-halobenzylpyridines and processes for their manufacture as well as their use in pharmaceuticals | Peter Emig, Juergen Engel, Carl-Heinrich Weischer, Bernd Nickel | 1989-07-25 |
| 4841047 | 4-benzyl-1-(2H)-phthalazinone-derivates | Jurgen Engel | 1989-06-20 |