Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741895 | Preparation of chromium(III) oxide | Norbert Mueller, Bernhard Boettcher, Manfred Ohlinger, Gerhard Honecker | 1988-05-03 |
| 4278606 | Preparation of 1-amino-2-phenoxy-4-hydroxyanthraquinone | Heinrich Hiller, Heinz Eilingsfeld, Fritz Traub | 1981-07-14 |