Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052956 | Tungstic acid powder consisting of spherical tungsten particles and method for producing same | Armin Olbrich, Michael Reiss, Frank Schrumpf, Juliane Meese-Marktscheffel, Uwe Kutzler | 2011-11-08 |
| 7998582 | Mixed metal hydroxides comprising amorphous aluminum hydroxide, and their preparation and use | Michael Kruft, Armin Olbrich, Stefan Malcus, Wolfgang Wiezoreck, Trevor McLeod +3 more | 2011-08-16 |