Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681794 | N-cyanoaryl-nitrogen heterocycles | Roland Andree, Albrecht Marhold, Hans-Joachim Santel, Markus Dollinger | 1997-10-28 |
| 5593945 | N-cyanoaryl-nitrogen heterocycles | Roland Andree, Albrecht Marhold, Hans-Joachim Santel, Markus Dollinger | 1997-01-14 |