Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618814 | Trisubstituted pyrimido [5,4-d] pyrimidines for modulating multi-drug resistance and pharmaceutical compositions containing these compounds | Armin Heckel, Uwe Bamberger | 1997-04-08 |