Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335018 | Catalyst for the production of maleic anhydride | Franz Nierlich, Hans-Josef Ratajczak | 1982-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335018 | Catalyst for the production of maleic anhydride | Franz Nierlich, Hans-Josef Ratajczak | 1982-06-15 |