Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741867 | Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone | Helmut Dittmer, Jürgen Schneider, Hubert Schonhagen | 1988-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741867 | Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone | Helmut Dittmer, Jürgen Schneider, Hubert Schonhagen | 1988-05-03 |