Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841704 | Process for preparing cumene which is used in the preparation of phenol | Michael Sakuth, Markus Weber | 2005-01-11 |
| 6720462 | Method for producing aromatic alcohols, especially phenol | Adolf Kuhnle, Mark Duda, Roger Sheldon, Sasidharan Manickam, Isabella Wilhelmina Christina Everdina Arends | 2004-04-13 |
| 6657087 | Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides | Markus Weber, Christoph Schwarz, Hermann-Josef Korte, Jochen Ullrich | 2003-12-02 |
| 6630608 | Process for preparing phenols | Reinhard Sigg, Siegmund Greschek, Manfred Weber | 2003-10-07 |
| 6583326 | Process for separating phenol from a mixture comprising at least hydroxyacetone, cumene, water and phenol | Christoph Schwarz, Markus Weber, Hermann-Josef Korte, Jochen Ullrich | 2003-06-24 |
| 6555719 | Process for the thermal after-treatment of cleavage product from the acid-catalyzed cleavage of cumene hydroperoxide | Reinhard Sigg, Manfred Weber, Otto Schnurr, Hugo H.J.M. Liefooghe | 2003-04-29 |
| 6444861 | Process for the cleavage of alkylaryl hydroperoxides | Manfred Weber | 2002-09-03 |
| 6242630 | Process for the continuous preparation of 3-halopropylorganosilanes | Stefan Bade, Uwe Schoen, John Burkhard, Franz-Michael Bollenrath, Norbert Hofmann +2 more | 2001-06-05 |
| 5633358 | Process for bleaching aqueous surfactant solutions | Juergen Gruetzke, Stefan Schmidt, Gerda Grund | 1997-05-27 |
| 4968849 | Process for the preparation of 2-ethylhexanol by liquid-phase catalytic hydrogenation of 2-ethylhexenal, and catalyst | Hans-Gerd Lueken, Wilhelm Droste, Gernard Ludwig, Dietmar Gubisch | 1990-11-06 |