Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7279602 | Method for separating triethanolamin from a mixture obtainable by ammonia and ethylene oxide reaction | Wolfgang Reif, Hans Hammer, Anton Meier, Philip Buskens, Matthias Frauenkron | 2007-10-09 |
| 5110928 | Preparation of N-aryl-substituted 2-aminoalkyl-2-hydroxyalkylamines and N-aryl-substituted piperazines | Wolfgang Schroeder | 1992-05-05 |