Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012253 | Efficient matting agents based on precipitated silicas | Juergen Schubert, Hans-Dieter Christian | 2011-09-06 |
| 7871588 | Silica by precipitation at constant alkali number, and its use | Gottlieb-Georg Lindner, Claus-Peter Drexel | 2011-01-18 |