Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330549 | Coumarins connected via an oxyalkyl group with a piperidine ring having anti-allergic action | Walter-Gunar Friebe, Max Thiel, Androniki Roesch, Otto-Henning Wilhelms | 1982-05-18 |