Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627173 | Doped titanium dioxide | Helmut Mangold, Sven-Uwe Geissen, Anna Moiseev | 2003-09-30 |
| 6534068 | Iron oxide and silicon dioxide-titanium dioxide mixed oxide | Herbert Habermann, Steffen Hasenzahl | 2003-03-18 |
| 6508941 | Photocatalytic process | Jurgen Meyer, Hilmar Gilges, Anna Moiseev, Sven-Uwe Geissen | 2003-01-21 |