Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674792 | Shaped body having a high silicon dioxide content and a process for producing such shaped bodies | Wolfgang Englisch | 1997-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674792 | Shaped body having a high silicon dioxide content and a process for producing such shaped bodies | Wolfgang Englisch | 1997-10-07 |