Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354750 | Phthalazines containing an aromatic ether or thioether group in the 1-position | Gerhard Scheffler, Bernhard Kutscher, Jurgen Engel, Stefan Szelenyi, Ulrich Werner | 1994-10-11 |