Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359141 | Process for the production of polynuclear aromatic polyamines | Hartmut Knofel, Michael Brockelt, Rudolf Uchdorf, Hans-Peter Schal | 1994-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359141 | Process for the production of polynuclear aromatic polyamines | Hartmut Knofel, Michael Brockelt, Rudolf Uchdorf, Hans-Peter Schal | 1994-10-25 |