Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873246 | 6-(acylaminoaryl)-3(2H)-pyridazinone derivatives, and their use | Philip A. Rossy, Marco Thyes, Albrecht Franke, Horst Koenig, Josef Gries +2 more | 1989-10-10 |
| 4863603 | Filter unit for separating precipitates containing cholesterol | Heinz-Gerhard Kohn | 1989-09-05 |
| 4812538 | (Acylthiopropyl)phenols | Abdul-Cader Zahir | 1989-03-14 |
| 4798811 | Combination preparation | Rolf Kretzschmar, Klaus Hahn | 1989-01-17 |