Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5501933 | Toner containing pigment and surface modified pyrogenically produced aluminum oxide | Dieter Kerner, Ju/ rgen Meyer, Gu/ nther Michael, Andreas Stubbe | 1996-03-26 |
| 5429873 | Surface-modified silicon dioxides | Thomas Gobel, Jurgen Meyer, Michael Gunther, Andreas Stubbe | 1995-07-04 |
| 5419928 | Surface-modified pyrogenically produced aluminum oxide | Dieter Kerner, Jurgen Meyer, Gunther Michael, Andreas Stubbe | 1995-05-30 |
| 5415936 | Surface-modified pyrogenically produced titanium dioxide | Dieter Kerner, Jurgen Meyer, Gunther Michael, Andreas Stubbe | 1995-05-16 |
| 5384194 | Surface-modified pyrogenically produced aluminum oxide | Dieter Kerner, Jurgen Meyer, Gunther Michael, Andreas Stubbe | 1995-01-24 |
| 5372905 | Surface-modified pyrogenically produced titanium dioxide | Dieter Kerner, Jurgen Meyer, Gunther Michael, Andreas Stubbe | 1994-12-13 |
| 5116886 | Method for the production of fillers modified with organosilicon compounds, the fillers produced in this manner and their use | Siegfried Wolff, Udo Gorl | 1992-05-26 |