Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825011 | Method of preparing substituted dihydroxy-benzenes | Axel Kleeman, Gunter Prescher, Gebhard Ritter | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825011 | Method of preparing substituted dihydroxy-benzenes | Axel Kleeman, Gunter Prescher, Gebhard Ritter | 1989-04-25 |