Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623082 | Preparation of acyl chlorides | Wolfgang Franzischka, Rudolf Irnich, Manfred Sauerwald | 1997-04-22 |
| 4895985 | Preparation of cyclopentanone | Harro Wache, Wolfgang Franzischka | 1990-01-23 |
| 4814479 | Preparation of aromatic nitriles | Heinz Engelbach, Roland Krokoszinski, Wolfgang Franzischka | 1989-03-21 |
| 4764309 | Preparation of chlorocarboxylic acid chlorides | Franz Neumayr | 1988-08-16 |
| 4745228 | Preparation of cyclic ketones | Rolf Fischer, Wolfgang Franzischka, Rudolf Kummer, Heinz-Walter Schneider, Uwe Vagt | 1988-05-17 |
| 4213919 | Manufacture of .beta.-chlorocarboxylic acid chlorides | Joachim Datow, Karl Merkel, Franz Neumayr | 1980-07-22 |
| 4196147 | Manufacture of N-alkylanilines | Herwig Hoffmann, Leopold Hupfer, Herbert Toussaint | 1980-04-01 |