Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875898 | Process for preparing phenols | Manfred Weber, Michael Lausmann, Siegmund Greschek | 2005-04-05 |
| 6630608 | Process for preparing phenols | Uwe Tanger, Siegmund Greschek, Manfred Weber | 2003-10-07 |
| 6555719 | Process for the thermal after-treatment of cleavage product from the acid-catalyzed cleavage of cumene hydroperoxide | Uwe Tanger, Manfred Weber, Otto Schnurr, Hugo H.J.M. Liefooghe | 2003-04-29 |
| 6307112 | Process for preparing phenol and acetone by acid-catalyzed cleavage of cumene hydroperoxide | Manfred Weber, Otto Gerlich, Michael Kleine-Boymann, Werner Pompetzki, Christian Michalik +1 more | 2001-10-23 |
| 6180817 | Process for the distillation of crude ester in the DMT/PTA process | Udo Lenz, Ulrich Neutzler, Anton Schoengen | 2001-01-30 |
| 6096171 | Process for the distillation of crude ester in the DMT/PTA process | Udo Lenz, Ulrich Neutzler, Anton Schoengen | 2000-08-01 |
| 5852201 | Process for the distillation of crude ester in the DMT/PTA process | Udo Lenz, Ulrich Neutzler, Anton Schoengen | 1998-12-22 |
| 5426195 | Process for the catalytic dehydrogenation of diols | Hans Regner | 1995-06-20 |