Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8728576 | Method for producing photocatalytically active titanium dioxide layers | Thomas Abendroth, Holger Althues, Stefan Kaskel | 2014-05-20 |
| 8211323 | Method for the removal of doped surface layers on the back faces of crystalline silicon solar wafers | Moritz Heintze, Rainer Moeller, Harald Wanka, Elena Lopez, Volkmar Hopfe +1 more | 2012-07-03 |
| 7525664 | Device and method for optical detecting substances contained in waste gases of chemical processes | Wulf Grählert, Volkmar Hopfe, Gerrit MÄDER | 2009-04-28 |