Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834833 | Process for preparing an aluminium oxide powder having a high alpha-Al2O3 content | Christian Schulze-Isfort, Christoph Batz-Sohn, Ralph Hofmann | 2014-09-16 |
| 7083769 | Silicon-titanium mixed oxide powder prepared by flame hydrolysis, which is surface-enriched with silicon dioxide, and the preparation and the use thereof | Martin Moerters, Ina Hemme, Steffen Hasenzahl, Uwe Diener | 2006-08-01 |
| 6773697 | Iron oxide and silicon dioxide-titanium dioxide mixed oxide | Ina Hemme, Steffen Hasenzahl | 2004-08-10 |
| 6534068 | Iron oxide and silicon dioxide-titanium dioxide mixed oxide | Ina Hemme, Steffen Hasenzahl | 2003-03-18 |