Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474987 | Process for preparing N,N-disubstituted p-phenylenediamine derivatives | Hartmut Hartner, Hans Bardonner | 1984-10-02 |
BW
Bruno Wollemann
Overall (All Time): #4,041,960 of 4,157,543Top 100%
1
Patents All Time