Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099644 | Process and apparatus for recoating a deactivated catalyst coating in a catalyst | Wolfgang Zahn, Gunter Loose | 2000-08-08 |
| 5821187 | Process and apparatus for recoating a deactivated catalyst coating in a catalyst | Wolfgang Zahn, Gunter Loose | 1998-10-13 |