Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853289 | Magnetic lacquer dispersions, process for their production and their use | Peter Schick, Friedrich Jonas | 1989-08-01 |
| 4631090 | Preparation and use of iron magnetic pigments | Rolf Naumann, Jakob Rademachers, Gunter Buxbaum | 1986-12-23 |
| 4369265 | Readily dispersible silicone-coated finely divided solids | Gunter Buxbaum, Ottfried Schlak, Franz Hund | 1983-01-18 |
| 4325739 | Magnetic metal and alloy pigments | Hans-Peter Biermann, Helmut Steinberger, Artur Botta, Rolf Naumann, Heinrich Heine | 1982-04-20 |
| 4297395 | Production of cobalt-doped ferrimagnetic iron oxides | Gunter Buxbaum, Heinrich-Christian Schopper, Volker Hahnkamm | 1981-10-27 |