Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304525 | Catalyst for the preparation of aniline | Otto Immel, Helmut Waldmann, Rudolf Braden, Christian Frohlich, Wilfried Niemeier | 1994-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304525 | Catalyst for the preparation of aniline | Otto Immel, Helmut Waldmann, Rudolf Braden, Christian Frohlich, Wilfried Niemeier | 1994-04-19 |