Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800413 | Low-silanol silica | Herbert Barthel, Franz Grünwald, Helmut Maginot, Ute Volkel | 2004-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800413 | Low-silanol silica | Herbert Barthel, Franz Grünwald, Helmut Maginot, Ute Volkel | 2004-10-05 |