Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468957 | Granulation method | Josef Markiefka, Wilfried Raehse, Wieland Schulze, Matthias Sunder | 2002-10-22 |
| 6458755 | Amorphous alkali metal silicate compound | Kathrin Schnepp-Hentrich, Rene-Andres Artiga Gonzalez, Katrin Burmeister, Hubert Freese, Manfred Greger +3 more | 2002-10-01 |