Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646257 | Azodyestuffs, their preparation and their use | Karin Hassenruck, Karl-Heinz Reinhardt, Peter Wild | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646257 | Azodyestuffs, their preparation and their use | Karin Hassenruck, Karl-Heinz Reinhardt, Peter Wild | 1997-07-08 |