Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685769 | Aqueous carbon black dispersions | Alfons Karl, Horst Kleinhenz, Werner Kalbitz, Gerd Tauber, Johann Mathias | 2004-02-03 |
| 6451100 | Aqueous carbon black dispersions | Alfons Karl, Horst Kleinhenz, Werner Kalbitz, Johann Mathias, Gerd Tauber | 2002-09-17 |
| 6224660 | Ink mixture | Wolfgang Lortz, Thomas Gobel, Holger Glaum | 2001-05-01 |
| 6171382 | Aqueous carbon black dispersions | Horst Kleinhenz, Jurgen Leimann, Alfons Karl | 2001-01-09 |
| 5501933 | Toner containing pigment and surface modified pyrogenically produced aluminum oxide | Hans Deusser, Dieter Kerner, Ju/ rgen Meyer, Gu/ nther Michael | 1996-03-26 |
| 5429873 | Surface-modified silicon dioxides | Hans Deusser, Thomas Gobel, Jurgen Meyer, Michael Gunther | 1995-07-04 |
| 5419928 | Surface-modified pyrogenically produced aluminum oxide | Hans Deusser, Dieter Kerner, Jurgen Meyer, Gunther Michael | 1995-05-30 |
| 5415936 | Surface-modified pyrogenically produced titanium dioxide | Hans Deusser, Dieter Kerner, Jurgen Meyer, Gunther Michael | 1995-05-16 |
| 5384194 | Surface-modified pyrogenically produced aluminum oxide | Hans Deusser, Dieter Kerner, Jurgen Meyer, Gunther Michael | 1995-01-24 |
| 5372905 | Surface-modified pyrogenically produced titanium dioxide | Hans Deusser, Dieter Kerner, Jurgen Meyer, Gunther Michael | 1994-12-13 |