Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681794 | N-cyanoaryl-nitrogen heterocycles | Mark Wilhelm Drewes, Albrecht Marhold, Hans-Joachim Santel, Markus Dollinger | 1997-10-28 |
| 5658857 | Imidazoazines | Hans-Joachim Santel, Markus Dollinger | 1997-08-19 |
| 5593945 | N-cyanoaryl-nitrogen heterocycles | Mark Wilhelm Drewes, Albrecht Marhold, Hans-Joachim Santel, Markus Dollinger | 1997-01-14 |