Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096779 | Chromium dioxide material, its preparation and magnetic recording media containing this chromium dioxide material | Michael Mueller, Ekkehard Schwab, Helmut Auweter, Rainer Feser, Norbert Mueller +2 more | 1992-03-17 |
| 5009877 | Stabilization of acicular ferromagnetic chromium dioxide | Werner Steck, Laszlo Marosi, Herbert Haberkorn, Rainer Feser, Helmut Jakusch | 1991-04-23 |
| 4781851 | Preparation of ferromagnetic chromium dioxide | Werner Steck, Herbert Haberkorn, Laszlo Marosi, Helmut Jakusch | 1988-11-01 |
| 4267203 | Manufacture of magnetic recording media | Herbert Motz, Dieter Schaefer, Dieter Mayer | 1981-05-12 |
| 4201486 | Process for the manufacture of magnetic recording media | Job-Werner Hartmann, Friedrich Domas, Peter Nagel, Paul Deigner, Eberhard Koester +1 more | 1980-05-06 |