Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341663 | Process for the production of spherical shaped bodies based on Al.sub.2 O.sub.3 and optionally SiO.sub.2 | Helmut Derleth, Karl-Heinz Bretz | 1982-07-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341663 | Process for the production of spherical shaped bodies based on Al.sub.2 O.sub.3 and optionally SiO.sub.2 | Helmut Derleth, Karl-Heinz Bretz | 1982-07-27 |