Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071814 | Process for preparing polyetheramines | Dirk Buehring, Klaus Raab, Franz-Xaver Scherl, Olaf Wachsen | 2011-12-06 |
| 7696385 | Polyetheramine production method | Dirk Buehring, Martin Glos, Klaus Raab, Franz-Xaver Scherl, Olaf Wachsen | 2010-04-13 |
| 6365778 | Process for the preparation of N-alkypolyhydroxyalkylamines from monoalkylamine and reducing sugar | Johann Franz Hanauer, Hubert Seitz, Frank Weinelt | 2002-04-02 |
| 5902903 | Process for purifying tertiary fatty alkylmethylamines | Bernd Papenfuhs, Hubert Seitz | 1999-05-11 |