Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627173 | Doped titanium dioxide | Ina Hemme, Helmut Mangold, Sven-Uwe Geissen | 2003-09-30 |
| 6508941 | Photocatalytic process | Jurgen Meyer, Hilmar Gilges, Ina Hemme, Sven-Uwe Geissen | 2003-01-21 |