Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755315 | Preparation of cobalt-containing isotropic magnetic iron oxides | Werner Steck, Rainer Feser, Helmut Jakusch, Peter Rudolf, Udo Kullmann | 1988-07-05 |
| 4755395 | Preparation of acicular cobalt-containing ferrimagnetic iron oxides | Werner Steck, Rainer Feser, Werner Loeser, Peter Rudolf, Helmut Jakusch +1 more | 1988-07-05 |
| 4729785 | Preparation of acicular ferromagnetic metal particles consisting essentially of iron | Ekkehard Schwab, Werner Steck, Peter Rudolf, Helmut Jakusch, Jenoe Kovacs | 1988-03-08 |
| 4497723 | Preparation of acicular, ferrimagnetic iron oxides | Manfred Ohlinger, Peter Rudolf, Wilhelm Sarnecki, Helmut Jakusch, Eberhard Koester +1 more | 1985-02-05 |
| 4464352 | Manufacture of acicular ferrimagnetic iron oxide | Horst Autzen, Herbert Motz, Peter Rudolf, Wilhelm Sarnecki, Werner Steck | 1984-08-07 |
| 4457982 | Acicular ferrimagnetic iron oxide and its preparation | Peter Rudolf, Jenoe Kovacs, Manfred Ohlinger | 1984-07-03 |
| 4448761 | Preparation of acicular, ferrimagnetic iron oxides | Wilhelm Sarnecki, Jenoe Kovacs, Werner Loeser, Peter Rudolf | 1984-05-15 |
| 4362708 | Preparation of acicular gamma-iron(III) oxide of high coercive force | Manfred Ohlinger, Hans Reichert, Friedrich R. Faulhaber, Horst Autzen, Peter Rudolf +1 more | 1982-12-07 |
| 4357378 | Magnetic recording media | Rudolf Bachmann, Werner Senkpiel, Hans-Joerg Hartmann, Roland Falk, Herbert Motz | 1982-11-02 |
| 4340494 | Process for the manufacture of ferromagnetic chromium dioxide | Manfred Ohlinger, Norbert Mueller, Eugen Wettstein | 1982-07-20 |
| 4296149 | Manufacture of acicular cobalt-containing magnetic iron oxide | Peter Rudolf, Werner Steck, Helmut Jakusch, Christof Jaeckh | 1981-10-20 |