Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359141 | Process for the production of polynuclear aromatic polyamines | Hartmut Knofel, Michael Brockelt, Marcel Petinaux, Hans-Peter Schal | 1994-10-25 |
| 5310769 | Process for the production of polyamine mixtures of the polyamino-polyaryl-polymethylene series | Christian König, Manfred Gallus, Reinhold Wullner, Franz-Moritz Richter, William C. Forester | 1994-05-10 |