| 6278033 |
Catalyst and process for purifying streams of materials |
Klemens Flick, Ruprecht Meissner, Werner Hefner, Fabian Kunz |
2001-08-21 |
| 6204218 |
Catalyst and process for purifying streams of materials |
Klemens Flick, Ruprecht Meissner, Werner Hefner, Fabian Kunz |
2001-03-20 |
| 5789644 |
Preparation of acetylene and synthesis gas |
Peter Passler, Hans-Günter Thelen |
1998-08-04 |
| 5164173 |
Preparation of stabilized acicular ferromagnetic chromium dioxide |
Norbert Muller, Manfred Ohlinger, Bernhard Bottcher, Peter Rudolf, Werner Hubner |
1992-11-17 |
| 5096779 |
Chromium dioxide material, its preparation and magnetic recording media containing this chromium dioxide material |
Michael Mueller, Ekkehard Schwab, Helmut Auweter, Werner Huebner, Norbert Mueller +2 more |
1992-03-17 |
| 5094767 |
Highly viscous magnetic fluids having nonmagnetic particles |
Gunther Mair |
1992-03-10 |
| 5064549 |
Preparation of stabilized chromium dioxide with sodium tetracarbonylferrate |
Michael Mueller, Ekkehard Schwab, Helmut Auweter, Bernhard Boettcher, Norbert Mueller +1 more |
1991-11-12 |
| 5030371 |
Process for preparing acicular ferromagnetic material consisting essentially of iron-containing chromium dioxide |
Michael Mueller, Ekkehard Schwab, Helmut Auweter, Rudi Lehnert, Norbert Mueller +1 more |
1991-07-09 |
| 5009877 |
Stabilization of acicular ferromagnetic chromium dioxide |
Werner Steck, Laszlo Marosi, Herbert Haberkorn, Werner Huebner, Helmut Jakusch |
1991-04-23 |
| 4960462 |
Acicular, ferromagnetic metal particles essentially consisting of iron, and their preparation |
Michael Mueller, Kalus-Dieter Hoppe, Ekkehard Schwab, Werner Steck, Helmut Auweter |
1990-10-02 |
| 4933004 |
Preparation of acicular ferromagnetic metal particles of substantially iron |
Klaus-Dieter Hoppe, Werner Steck, Jenoe Kovacs, Helmut Jakusch |
1990-06-12 |
| 4913890 |
Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 |
Volker Arndt, Helmut Auweter, Ekkehard Schwab |
1990-04-03 |
| 4826671 |
Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 |
Volker Arndt, Werner Steck, Helmut Jakusch |
1989-05-02 |
| 4774072 |
Preparation of acicular alpha-Fe.sub.2 O.sub.3 |
Volker Arndt, Bernd Meyer, Werner Steck, Helmut Jakusch |
1988-09-27 |
| 4770903 |
Preparation of cobalt-containing, acicular, magnetic iron oxides |
Ekkehard Schwab, Werner Steck, Wilhelm Schloesser |
1988-09-13 |
| 4755315 |
Preparation of cobalt-containing isotropic magnetic iron oxides |
Werner Steck, Helmut Jakusch, Peter Rudolf, Guenter Vaeth, Udo Kullmann |
1988-07-05 |
| 4755395 |
Preparation of acicular cobalt-containing ferrimagnetic iron oxides |
Werner Steck, Werner Loeser, Peter Rudolf, Guenter Vaeth, Helmut Jakusch +1 more |
1988-07-05 |
