Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469214 | Process for the preparation of ethanolamines | Gerhard Schulz | 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 |
| 6417353 | Preparing amines | Frank Funke, Joachim Wulff-Doring, Gerhard Schulz, Wolfgang Siegel, Andreas Kramer +4 more | 2002-07-09 |
| 6365740 | Preparation of 2-methyl-4-amino-5-aminomethylpyrimidine | Hansgeorg Ernst, Matthias Frauenkron, Frank Funke, Andreas Keller | 2002-04-02 |
| 6359178 | Method for producing hexamethylene diamine | Rolf Fischer, Peter Bassler, Hermann Luyken, Frank Ohlbach, Martin Merger +3 more | 2002-03-19 |
| 6348601 | Preparation of N-methyl-2-pyrrolidone (NMP) | Frank Ohlbach, Karl-Heinz Ross, Martin Rudloff, Jörg Liebe | 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 |