Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133480 | Preparation of N-phenyl-1-naphthylamine | Horst Behre, Helmut Fiege, Wolfgang Eymann, Frank Arndt, Alexander Klausener | 2000-10-17 |
| 5602284 | Process for separating off aminobiphenyl from diphenylamine | Frank Arndt, Hans-Josef Buysch | 1997-02-11 |