Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593936 | Hydrated niobium oxide and hydrated tantalum oxide catalysts, their preparation and a process for preparing N-alkylated anilines using these catalysts | Volker Glock, Ursula Pentling, Bernd Pennemann, Joerg-Dietrich Jentsch, Eberhard Zirngiebl | 1997-01-14 |