Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10682631 | Multimetal oxide compositions comprising Mo, Bi, Fe and Cu | Kazuhiko Amakawa, Christian Walsdorff, Klaus Joachim Mueller-Engel, Ulrich Hammon | 2020-06-16 |
| 10022714 | Catalyst and method for producing maleic anhydride | Stefan Altwasser, Hagen Wilmer, Frank Rosowski | 2018-07-17 |
| 9925526 | Oxidation catalyst with saddle-shaped support body | Ulrich Hammon, Cathrin Alexandra Welker-Nieuwoudt, Josef Macht, Christian Walsdorff | 2018-03-27 |
| 9714227 | Catalyst for the epoxidation of alkenes | Joseph John Zakzeski, Marco Bosch, Christian Bartosch, Jürgen Zühlke | 2017-07-25 |
| 9700876 | Mechanically stable hollow cylindrical shaped catalyst bodies for gas phase oxidation of an alkene to an unsaturated aldehyde and/or an unsaturated carboxylic acid | Josef Macht, Christian Walsdorff, Stefan Lipp, Cathrin Alexandra Welker-Nieuwoudt, Ulrich Hammon +1 more | 2017-07-11 |
| 9434673 | Process for preparing vinylidenecarboxylic acid (ester)s by reaction of formaldehyde with alkylcarboxylic acid (ester)s | Philipp GRUENE, Marco Hartmann | 2016-09-06 |
| 9238217 | Catalyst for preparation of an unsaturated carboxylic acid by gas phase oxidation of an unsaturated aldehyde | Cathrin Alexandra Welker-Nieuwoudt, Holger Borchert, Ulrich Hammon, Josef Macht, Andrey Karpov +1 more | 2016-01-19 |
| 9199223 | Process for producing a supported silver catalyst | Tobias Rosendahl, Torsten Mäurer, Andreas Lehr, Johanna Wanka | 2015-12-01 |
| 9169188 | Process for preparing an unsaturated aldehyde and/or an unsaturated carboxylic acid | Josef Macht, Christian Walsdorff, Cathrin Alexandra Welker-Nieuwoudt, Ulrich Hammon | 2015-10-27 |
| 9149799 | Eggshell catalyst consisting of a hollow cylindrical support body and a catalytically active oxide material applied to the outer surface of the support body | Andrey Karpov, Catharina Horstmann, Josef Macht, Frank Rosowski, Klaus Joachim Mueller-Engel | 2015-10-06 |
| 9138729 | Catalyst and method for producing maleic anhydride | Stefan Altwasser, Hagen Wilmer, Frank Rosowski | 2015-09-22 |
| 9067187 | Catalyst system and method for gas phase oxidation using an upstream layer | Hagen Wilmer, Jürgen Zühlke, Thomas Lautensack, Hans-Martin Allmann, Frank Rosowski | 2015-06-30 |
| 9061988 | Process for producing a catalytically active composition being a mixture of a multielement oxide comprising the elements Mo and V and at least one oxide of molybdenum | Cathrin Alexandra Welker-Nieuwoudt, Christian Walsdorff, Klaus Joachim Mueller-Engel, Josef Macht | 2015-06-23 |
| 8987482 | Process for producing a supported silver catalyst | Tobias Rosendahl, Torsten Mäurer, Andreas Lehr, Johanna Wanka | 2015-03-24 |
| 8921587 | Process for producing a catalyst for the oxidation of ethylene to ethylene oxide | Tobias Rosendahl, Torsten Mäurer | 2014-12-30 |
| 8901320 | Process for controlling a gas phase oxidation reactor for preparation of phthalic anhydride | Stefan Altwasser, Jürgen Zühlke, Hao Chen, Frank Rosowski | 2014-12-02 |
| 8785344 | Gas phase oxidation catalyst with low charge transport activation energy | Andrey Karpov, Frank Rosowski, Mark Eichelbaum, Annettte Trunschke, Robert Schloegl | 2014-07-22 |
| 8686194 | Mo-, Bi- and Fe-comprising multimetal oxide compositions | Josef Macht, Andrey Karpov, Frank Rosowski, Ulrich Hammon, Klaus Joachim Müller-Engel | 2014-04-01 |
| 8629079 | Process for producing a catalyst for the oxidation of ethylene to ethylene oxide | Tobias Rosendahl, Torsten Mäurer, Thomas Geiger, Achim Gritsch | 2014-01-14 |
| 8517180 | Process for charging a reactor with a fixed catalyst bed which comprises at least annular shaped catalyst bodies K | Andreas Raichle, Holger Borchert, Klaus Joachim Mueller-Engel, Hagen Wilmer, Ulrich Cremer | 2013-08-27 |
| 8492566 | Method for starting a gas-phase oxidation reactor | Hagen Wilmer, Jürgen Zühlke, Thomas Lautensack, Hans-Martin Allmann, Frank Rosowski | 2013-07-23 |
| 8263789 | Catalyst system and method for gas phase oxidation using an upstream layer | Hagen Wilmer, Jürgen Zühlke, Thomas Lautensack, Hans-Martin Allmann, Frank Rosowski | 2012-09-11 |
| 7169732 | Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof | Jens Weiguny, Sebastian Storck, Mark Duda | 2007-01-30 |
| 7157403 | Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof | Jens Weiguny, Sebastian Storck, Mark Duda | 2007-01-02 |
| 7060649 | Method for the production of a catalyst containing vanadium, phosphorus, and oxygen | Jens Weiguny, Sebastian Storck, Mark Duda, Raimund Felder | 2006-06-13 |