Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9914693 | Process for preparing EDA using SO2-free hydrocyanic acid | Hermann Luyken, Stephanie Jaegli, Michael Lorenz, Markus Jegelka, Barbara BECKER +4 more | 2018-03-13 |
| 9828329 | Method for the distillative purification of EDA | Hermann Luyken, Stephanie Jaegli, Michael Lorenz, Markus Jegelka, Barbara BECKER +4 more | 2017-11-28 |
| 9096497 | Process for preparing EDDN and EDMN | Hermann Luyken, Sebastian Ahrens, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-08-04 |
| 9012638 | Process for preparing EDDN and/or EDMN by conversion of FACH and EDA | Hermann Luyken, Sebastian Ahrens, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-04-21 |
| 8952156 | Process for working up reaction outputs from the hydrogenation of EDDN or EDMN | Hermann Luyken, Sebastian Ahrens, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-02-10 |
| 8946459 | Process for preparing EDDN and/or EDMN by reacting EDFA and/or EDMFA with HCN | Hermann Luyken, Sebastian Ahrens, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-02-03 |
| 8586795 | Methyl-substituted teta compounds | Randolf Hugo, Johann-Peter Melder, Robert Baumann, Alfred Oftring, Boris Buschhaus +2 more | 2013-11-19 |