Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597374 | Integrated process for making propene and propene oxide from propane | Holger Wiederhold, David BOLZ | 2020-03-24 |
| 10214471 | Method for producing propylene glycol from propene and hydrogen peroxide | Holger Wiederhold, David BOLZ, Bernd Jaeger, Hans-Jurgen Kohle, Sebastian Imm | 2019-02-26 |
| 7141683 | Process for the epoxidation of olefins | Thomas Haas, Gerald Moroff, Norbert Ullrich, Willi Hofen, Guido Stochniol +6 more | 2006-11-28 |
| 7049450 | Process for the purification of crude propene oxide | Willi Hofen, Thomas Haas, Wolfgang Wöll | 2006-05-23 |
| 6838572 | Process for the epoxidation of olefins | Thomas Haas, Claudia Brasse, Guido Stochniol, Willi Hofen, Wolfgang Wöll | 2005-01-04 |
| 6749668 | Process for the recovery of combustible components of a gas stream | Willi Hofen, Wolfgang Wöll | 2004-06-15 |
| 6720436 | Process for the epoxidation of olefins | Willi Hofen, Thomas Haas, Wolfgang Wöll, Percy Kampeis, Bärbel Kolbe | 2004-04-13 |
| 6710193 | Process for preparing crystalline microporous and mesoporous metal silicates, products obtainable by said process and their use | Steffen Hasenzahl, Helmut Mangold, Eckehart Roland, Mario Scholz | 2004-03-23 |
| 6670492 | Process for the expoxidation of olefins | Willi Hofen | 2003-12-30 |
| 6646141 | Process for the epoxidation of olefins | Willi Hofen, Alexander Moller | 2003-11-11 |
| 6639108 | Ammoximation of ketones and work-up by pervaporation/vapor permeation | Thomas Schiffer, Peter Esser, Martin Roos, Franz-Felix Kuppinger, Günter Stevermüer | 2003-10-28 |
| 6624319 | Process for the epoxidation of olefins | Willi Hofen | 2003-09-23 |
| 6620970 | Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system | Thomas Schiffer, Peter Esser, Jorg Krissmann, Martin Roos, Günter Stevermüer | 2003-09-16 |
| 6610865 | Process for the epoxidation of olefins | Willi Hofen | 2003-08-26 |
| 6608219 | Process for the epoxidation of olefins | Thomas Haas, Willi Hofen, Stefan Pilz, Wolfgang Woell | 2003-08-19 |
| 6600055 | Process for the epoxidation of olefins | Thomas Haas, Willi Hofen, Jorg Sauer | 2003-07-29 |
| 6596883 | Process for the epoxidation of olefins | Willi Hofen, Thomas Haas, Wolfgang Wöll | 2003-07-22 |
| 6596881 | Process for the epoxidation of olefins | Thomas Haas, Willi Hofen, Jorg Sauer | 2003-07-22 |
| 6566555 | Process for preparing oximes | Steffen Hasenzahl, Thomas Schiffer | 2003-05-20 |
| 6462235 | Process for production of oximes cocatalyzed by ammonium salts or substituted ammonium salts | Thomas Schiffer, Georg Oenbrink | 2002-10-08 |
| 6372924 | Process for the preparation of epoxides from olefins | — | 2002-04-16 |
| 6323349 | Method of producing expoxides in the gaseous phase | Rudiger Schutte, Georg Markowz, Peter Esser, Torsten Balduf, Steffen Hasenzahl | 2001-11-27 |
| 6106803 | Granulates which contain titanium silicalite-1 | Steffen Hasenzahl, Georg Markowz, Mathias Viandt, Eckehart Roland, Gustaaf Goor +1 more | 2000-08-22 |
| 6100412 | Process for the epoxidation of olefinic compounds | Shane A. Nolan, James S. Brown, Jie Lu, Brandon C. Eason, Charles A. Eckert +1 more | 2000-08-08 |
| 6054112 | Process for the preparation of titanium containing molecular sieves | Steffen Hasenzahl | 2000-04-25 |