Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5731458 | Process for thermally cracking carbamic acid esters | Jurgen Dahmer, Dieter Schleenstein, Oswald Wilmes, Christian Rasp, Georg Ronge +3 more | 1998-03-24 |
| 5696295 | Method for the preparation of ultra-pure bisphenol A and the use thereof | Claus Wulff, Kaspar Hallenberger, Kurt P. Meurer, Tony van Osselaer, Jurgen Hinz +3 more | 1997-12-09 |
| 5523452 | Process for preparing dimethyl carbonate | Zoltan Kricsfalussy, Helmut Waldmann, Kaspar Hallenberger, Wolfram Wagner, Hans-Joachim Traenckner | 1996-06-04 |
| 5363905 | Method of controlling heat exchangers using enthalpy flow as the correcting variable | Franz Ferdinand Rhiel, Gunther Weymans, Klaus Elgeti | 1994-11-15 |
| 5336376 | Distillation column with vaporous sidestream removal | Siegfried Taurat, Ludwig Deibele, Heinz-Jurgen Alpers | 1994-08-09 |
| 4992143 | Continuous process for the separation of a partially water soluble component from a slurry | Joerg Krell, Charles F. Ho, Charles E. Huffman, Michael E. Bowsher | 1991-02-12 |
| 4349416 | Process and device for the separation of mixtures which form an azeotrope | Hans-Walter Brandt, Ludwig Bruns, Hans-Dieter Kohler | 1982-09-14 |
| 4196150 | 1-Chloro-3,3-dimethyl-butan-2-one | Eckart Kranz, Rudiger Schubart, Herbert Schwarz, Peter Siegle | 1980-04-01 |