Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002751 | Highly-coercive isometric iron oxides, a process for the production and the use thereof | Jurgen Wiese, Gunter Buxbaum, Rolf Schafer | 1991-03-26 |
| 4985073 | Needle shaped alloy powders based on iron and their use | Rolf Naumann, Jakob Rademachers | 1991-01-15 |
| 4933014 | Magnetic iron oxide pigments and a process for their preparation | Hendrik Kathrein, Peter Kiemle, Aloys Eiling | 1990-06-12 |
| 4923519 | Magnetic iron oxide pigments and a process for their preparation | Peter Kiemle, Aloys Eiling, Hendrik Kathrein | 1990-05-08 |
| 4781580 | Indirectly heated rotary tubular kiln | Helmut Janz, Alfred Soppe, Jakob Rademachers | 1988-11-01 |
| 4689086 | Stabilized magnetic pigments | Rolf Naumann, Jakob Rademachers, Gunter Buxbaum, Karl Waid | 1987-08-25 |
| 4629500 | Use of novel rotary tubular kiln | Helmut Janz, Alfred Soppe, Jakob Rademachers | 1986-12-16 |
| 4344799 | Readily dispersible TiO.sub.2 pigment | Klaus Kohler, Peter Woditsch, Hilmar Rieck | 1982-08-17 |
| 4186028 | Fluid pigment suspensions with phosphonocarboxylic acids | Peter Woditsch, Gunther Teichmann, Gunter Linde, Gunter Lailach | 1980-01-29 |