Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9309272 | Metal oxide particles aftertreated with organic phosphorus compounds | Joern Beck, Ruediger Graf, Frank Pfluecker, Bernd Hirthe, Stephan John | 2016-04-12 |
| 8883215 | Metal oxide particles aftertreated with organic phosphorus compounds | Joern Beck, Ruediger Graf, Frank Pfluecker, Bernd Hirthe, Stephan John | 2014-11-11 |