| 5217810 |
Magnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acid |
August Lehner, Rudolf Suettinger, Michael Bobrich, Hermann Dikow, Hermann Roller +3 more |
1993-06-08 |
| 5082689 |
Production of magnetic recording media |
Werner Grau, August Lehner, Hans Reichert, Friedrich Sommermann, Norbert Schneider +1 more |
1992-01-21 |
| 5075179 |
Magnetic recording media |
August Lehner, Rudolf Suettinger, Michael Bobrich, Hermann Dikow, Hermann Roller +3 more |
1991-12-24 |
| 5064721 |
Magnetic recording media |
August Lehner, Albert Kohl, Hermann Roller, Werner Lenz, Helmut Kopke +2 more |
1991-11-12 |
| 4895764 |
Magnetic recording media |
August Lehner, Albert Kohl, Michael Bobrich, Hermann Roller, Peter Richter +2 more |
1990-01-23 |
| 4632334 |
Tape cassette, in particular a magnetic tape cassette, and a reel support liner therefor |
Norbert Schaeffer, Dietmar Pfefferkorn, Roland Sold, Uwe Brinkmann, Roland Sigwalt |
1986-12-30 |
| 4421642 |
Device for separating grinding medium and milled suspension in a wet comminuting machine |
Juergen Klapper, Horst Schober |
1983-12-20 |
| 4336234 |
Preparation of storage-stable, pumpable and pourable aluminosilicate suspensions by wet milling |
Bernd Leutner, Hans-Ulrich Schlimper, Dieter Roth, Heinrich Spahn |
1982-06-22 |
