Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576796 | Process for the preparation of alkylamines | Frank Funke, Ulrich Steinbrenner, Ralf Böhling, Johann-Peter Melder, Thomas Heidemann | 2003-06-10 |
| 6562971 | Process for the preparation of triethylenediamine (TEDA) | Bernd Stein | 2003-05-13 |
| 6555688 | Method for the production of triethylene diamine making use of ethylene diamine | Werner Klockemann, Erich Frauendorfer, Bernd Stein | 2003-04-29 |
| 6552194 | Process for the preparation of pure triethylenediamine (TEDA) | Ortmund Lang, Bernd Rumpf, Dirk Funhoff, Thomas Manderbach, Bernd Stein | 2003-04-22 |