Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157406 | Catalysts or carriers which consist essentially of monoclinic zirconium dioxide | Matthias Irgang, Michael Hesse | 2007-01-02 |
| 6683177 | Process for producing caprolactam | Eberhard Fuchs, Johann-Peter Melder, Rolf Fischer | 2004-01-27 |
| 6551702 | Melamine resin dispersions | Norbert Biedermann, Günter Scherr, Christof Jackh, Jakob Decher, Valerie Andre +1 more | 2003-04-22 |
| 6284825 | Solutions of aminotriazine resins in monoalkylglycols | Wolfram Weiss, Gerhard Fischer, Manfred Niessner | 2001-09-04 |
| 6147208 | Process for simultaneously preparing caprolactam and hexamethylene diamine | Gunther Achhammer, Peter Bassler, Rolf Fischer, Eberhard Fuchs, Hermann Luyken +2 more | 2000-11-14 |
| 6121481 | Process for preparing 6-aminocapronitrile | Rolf Fischer, Rocco Paciello, Michael Roper | 2000-09-19 |
| 6114567 | Preparation of aliphatic alpha, omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Klaus Ebel, Tom Witzel, Wolfgang Harder +2 more | 2000-09-05 |
| 6110856 | Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles | Klemens Flick, Rolf Fischer, Klaus Ebel, Guido Voit | 2000-08-29 |
| 6080883 | Method of simultaneously producing 6-aminocapronitrile and hexamethylenediamine | Guido Voit, Klemens Flick, Johann-Peter Melder, Rolf Fischer, Wolfgang Harder | 2000-06-27 |
| 6048997 | Manufacturing process for 6-aminocapronitrile | Rolf Fischer, Rocco Paciello, Michael Roper | 2000-04-11 |
| 5874607 | Coproduction of 6-aminocapronitrile and hexamethylenediamine | Guido Voit, Klemens Flick, Rolf Fischer | 1999-02-23 |
| 5827938 | Preparation of amines and aminonitriles | Guido Voit, Klemens Flick, Johann-Peter Melder, Rolf Fischer, Wolfgang Harder | 1998-10-27 |
| 5808114 | Preparation of epoxides by means of aromatic peroxycarboxylic acids | Joaquim Henrique Teles, Rolf Fischer, Norbert Rieber, Michael Schulz | 1998-09-15 |
| 5801267 | Preparation of aliphatic alpha, omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Klaus Ebel, Tom Witzel, Wolfgang Harder +2 more | 1998-09-01 |
| 5801268 | Preparation of aliphatic alpha omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Klaus Ebel, Tom Witzel, Wolfgang Harder +2 more | 1998-09-01 |
| 5789621 | Preparation of amines and aminonitriles | Guido Voit, Klemens Flick, Rolf Fischer | 1998-08-04 |
| 5783711 | Process for the preparation of heterocyclic aldehydes | Rolf Fischer, Joachim Wulff-Doring, Matthias Irgang, Horst Neuhauser | 1998-07-21 |
| 5770747 | Preparation of 1,2-butylene oxide | Peter Lingelbach, Joachim Roser, Christoph Sigwart, Hans-Jurgen Weyer | 1998-06-23 |
| 5763676 | Preparation of aromatic aldehydes | Rolf Fischer, Matthias Irgang, Joachim Wulff-Doring | 1998-06-09 |
| 5756808 | Preparation of aliphatic, alpha omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Klaus Ebel, Tom Witzel, Wolfgang Harder +2 more | 1998-05-26 |
| 5733838 | Process for the production of a hydrogenation catalyst | Maximilian Vicari, Klemens Flick, Johann-Peter Melder, Joachim Wulff-Doring | 1998-03-31 |
| 5717090 | Simultaneous preparation of caprolactam and hexamethylenediamine | Peter Bassler, Hermann Luyken, Gunther Achhammer, Tom Witzel, Eberhard Fuchs +1 more | 1998-02-10 |
| 5679869 | Preparation of aldehydes | Rolf Fischer, Joachim Wulff-Doring, Michael Hesse | 1997-10-21 |
| 5606081 | Preparation of cyclic ether ketones | Rolf Fischer | 1997-02-25 |
| 5580994 | Preparation of tetrahydropyran-4-carboxylic acid and its esters | Rolf Fischer, Norbert Goetz, Thomas Kuekenhoehner | 1996-12-03 |