Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837051 | Process for the thermal treatment of iron oxides in a circulating fluidized bed | Berndt-Ullrich Kohler, Horst Brunn | 1998-11-17 |
| 5744108 | Process for the thermal treatment of titanium dioxide in a circulating fluidized bed and the use thereof | Bernd Holle, Eckhard Bayer | 1998-04-28 |
| 4284576 | Preparation of anthraquinone from tetrahydroanthraquinone | Norbert Schenk, Paul Losacker, Wolfgang Swodenk | 1981-08-18 |