Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565682 | Process for producing pyrogenic silicic acid with increased thickening effect | Gunter Kratel, Wilfried Lang, Ernst Muhlhofer | 1986-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565682 | Process for producing pyrogenic silicic acid with increased thickening effect | Gunter Kratel, Wilfried Lang, Ernst Muhlhofer | 1986-01-21 |