Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316050 | Method of producing hydrophobic pyrogenically produced oxides | Thomas Hennig, Jurgen Meyer, Uwe Schachtely, Henning Karbe | 2001-11-13 |
| 6071401 | Electrolytic method for purifying gases | Dieter Engel, Thomas Lehmann | 2000-06-06 |