| 4464352 |
Manufacture of acicular ferrimagnetic iron oxide |
Horst Autzen, Peter Rudolf, Wilhelm Sarnecki, Werner Steck, Guenter Vaeth |
1984-08-07 |
| 4357378 |
Magnetic recording media |
Guenter Vaeth, Rudolf Bachmann, Werner Senkpiel, Hans-Joerg Hartmann, Roland Falk |
1982-11-02 |
| 4327139 |
Rigid magnetic recording disk having perfluoropolyether lubricant |
Dieter Schaefer, Dieter Mayer, Paul Deigner, Joachim Hack, Roland Falk |
1982-04-27 |
| 4320171 |
Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating |
August Lehner, Heinrich Hartmann, Rudolf Bachmann, Hans-Joerg Hartmann, Harald Frischmann +4 more |
1982-03-16 |
| 4275114 |
Magnetic recording medium and method of stabilization of chromium dioxide magnetic pigments |
Eduard Schoenafinger, Manfred Ohlinger, Paul Deigner, Werner Grau |
1981-06-23 |
| 4267203 |
Manufacture of magnetic recording media |
Dieter Schaefer, Werner Huebner, Dieter Mayer |
1981-05-12 |
| 4201149 |
Apparatus for spin coating in the production of thin magnetic layers for magnetic discs |
Eberhard Koester, Paul Deigner, Roland Falk, Karl Uhl, Dieter Schaefer +2 more |
1980-05-06 |
