| 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 |
