Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796143 | Process for producing SiO2-TiO2 glasses having a low coefficient of thermal expansion | Rolf Clasen, Helmut Mangold, Klaus Deller, Christine Wagner | 2004-09-28 |
| 6679945 | Pyrogenically prepared silicon dioxide | Monika Oswald, Klaus Deller | 2004-01-20 |