Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091153 | Hydrogenation catalyst | Rolf Fischer, Peter Bassler, Andreas Ansmann, Hermann Luyken, Martin Merger +2 more | 2006-08-15 |
| 6852669 | Hydrogenation catalyst | Rolf Fischer, Peter Bassler, Andreas Ansmann, Hermann Luyken, Martin Merger +2 more | 2005-02-08 |
| 6774246 | Method for producing phthalic anhydride | Peter Reuter, Thomas Heidemann | 2004-08-10 |
| 6469183 | Method of producing phthalic acid anhydride | Peter Reuter | 2002-10-22 |
| 6462220 | Method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine | Hermann Luyken, Frank Ohlbach, Andreas Ansmann, Peter Bassler, Rolf Fischer +4 more | 2002-10-08 |
| 6359178 | Method for producing hexamethylene diamine | Rolf Fischer, Peter Bassler, Hermann Luyken, Frank Ohlbach, Johann-Peter Melder +3 more | 2002-03-19 |
| 6353141 | Functionalized cyclopentene-derived oligomer mixtures, their preparation and their use | Edgar Zeller, Gerhard Schulz, Bernhard Geissler, Michael Roper | 2002-03-05 |
| 6348630 | Method for purifying hexamethylenediamine in mixtures of hexamethylenediamine and an unsaturated cyclic imine | Claudia Merk, Peter Bassler, Rolf Fischer, Hermann Luyken | 2002-02-19 |
| 6346641 | Method for simultaneous production of 6-aminocapronitrile and hexamethylenediamine | Hermann Luyken, Frank Ohlbach, Andreas Ansmann, Peter Bassler, Rolf Fischer +4 more | 2002-02-12 |
| 6297394 | Iron-based catalyst for hydrogenating alpha-, omega-dinitriles | Rolf Fischer, Peter Bassler, Andreas Ansmann, Hermann Luyken, Martin Merger +2 more | 2001-10-02 |
| 6278023 | Method for producing aliphatic alpha-, omega-diamines | Rolf Fischer, Peter Bassler, Andreas Ansmann, Hermann Luyken, Martin Merger +2 more | 2001-08-21 |
| 6265602 | Method for hydrogenating aliphatic alpha-, omega-dinitriles | Frank Ohlbach, Hermann Luyken, Martin Merger, Alwin Rehfinger, Rolf Fischer +2 more | 2001-07-24 |
| 6255521 | Method for producing aliphatic alpha, omega-amino nitriles | Andreas Bohnsack, Rolf Fischer, Peter Bassler, Hermann Luyken, Martin Merger +1 more | 2001-07-03 |
| 6251229 | Process for the separation of 2-aminomethylcyclopentylamine from a mixture containing hexamethyldiamine and 2-aminomethylcyclopentylamine | Hermann Luyken, Alwin Rehfinger, Peter Bassler, Rolf Fischer, Martin Merger +1 more | 2001-06-26 |
| 6222059 | Process for the manufacture of aliphatic alpha, omega amino nitriles | Klaus Ebel, Rolf Fischer, Klemens Flick, Martin Merger | 2001-04-24 |
| 6207851 | Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine | Hermann Luyken, Peter Bassler, Alwin Rehfinger, Rolf Fischer | 2001-03-27 |
| 6187971 | Method for producing polyalcohols | Detlef Kratz, Achim Stammer, Gerhard Schulz | 2001-02-13 |
| 6147247 | Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine | Klemens Flick, Hermann Luyken, Alwan Rehfinger, Peter Bassler | 2000-11-14 |
| 6147208 | Process for simultaneously preparing caprolactam and hexamethylene diamine | Gunther Achhammer, Peter Bassler, Rolf Fischer, Eberhard Fuchs, Hermann Luyken +2 more | 2000-11-14 |
| 6139693 | Method for obtaining hexamethylene diamine from mixtures containing hexamethylene diamine | Peter Bassler, Rolf Fischer, Hermann Luyken, Alwin Rehfinger | 2000-10-31 |
| 6110856 | Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles | Klemens Flick, Rolf Fischer, Klaus Ebel, Werner Schnurr | 2000-08-29 |
| 6080883 | Method of simultaneously producing 6-aminocapronitrile and hexamethylenediamine | Werner Schnurr, Klemens Flick, Johann-Peter Melder, Rolf Fischer, Wolfgang Harder | 2000-06-27 |
| 6057442 | Preparation of amines | Joachim Wulff-Doring, Michael Hesse, Johann-Peter Melder, Philipp Buskens, Frank Funke | 2000-05-02 |
| 6046359 | Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones | Joachim Wulff-Doring, Johann-Peter Melder, Gerhard Schulz, Gutshoven Frank, Wolfgang Harder | 2000-04-04 |
| 6031044 | Polyurthanes with covalently bonded photoinitiator units | Nicolas Kokel, Harald Larbig, Klaus Menzel, Erich Beck, Wolfgang Reich | 2000-02-29 |