Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7473808 | Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process | Frank Hoeper, Jochen Praefke, Wilfried Bueschken | 2009-01-06 |
| 7432407 | Hydroisomerization of olefins comprising between 4 and 6 carbon atoms | Andreas Beckmann, Udo Knippenberg, Franz Nierlich, Wilfried Bueschken, Ralf Duessel | 2008-10-07 |
| 7399892 | Process for dewatering ethanol | Frank Hoper, Jochen Praefke, Wilfried Buschken | 2008-07-15 |
| 6657090 | Process for preparing highly pure raffinate II and Methyl tert-butyl ether | Gerda Grund, Wilfried Bueschken | 2003-12-02 |