Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202043 | Process for the preparation of isometric magnetic iron oxide | Gunter Buxbaum, Wilfried Burow | 1993-04-13 |
| 5055136 | Heat-stable iron oxide black pigments, processes for their production and their use | Gunter Buxbaum, Peter Kresse | 1991-10-08 |
| 5028269 | Co-containing magnetic pigments, processes for the production thereof and the use thereof | Gunter Buxbaum, Peter Kiemle, Aloys Eiling | 1991-07-02 |
| 5002751 | Highly-coercive isometric iron oxides, a process for the production and the use thereof | Gunter Buxbaum, Rolf Schafer, Fritz Rodi | 1991-03-26 |
| 4990189 | Iron oxide pigments, a process for their preparation and their use | Axel Westerhaus, Jurgen Scharschmidt, Gunter Buxbaum | 1991-02-05 |
| 4913063 | Thermostable iron oxide pigments, processes for their preparation and their use | Friedrich Jonas, Peter Schick | 1990-04-03 |
| 4753680 | Process for the preparation of bright, color-pure iron oxide red pigments | Wilfried Burow, Gunter Buxbaum | 1988-06-28 |
| 4686142 | Process for the production of iron oxides epitaxially coated with cobalt the coated oxides and their cue | Peter Kiemle, Gunter Buxbaum | 1987-08-11 |