Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410085 | Process for the preparation of chlorine-substituted aromatic amines and of catalysts | Udo Birkenstock, Herbert Schmidt, Thomas Schulz, Eberhard Zirngiebl | 1995-04-25 |
| 5235087 | Process for the preparation of dialkyl carbonates | Alexander Klausener, Heinz Landscheidt, Heinz U. Blank | 1993-08-10 |