Issued Patents All Time
Showing 25 most recent of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447439 | Method for inhibiting unwanted radical polymerisation of acrylic acid present in a liquid phase P | Nicole Janssen, Peter Zurowski, Sylke Haremza | 2022-09-20 |
| 10682631 | Multimetal oxide compositions comprising Mo, Bi, Fe and Cu | Kazuhiko Amakawa, Christian Walsdorff, Klaus Joachim Mueller-Engel, Cornelia Katharina Dobner | 2020-06-16 |
| 10493376 | Column for thermal treatment of fluid mixtures | Thomas Walter | 2019-12-03 |
| 10471369 | Chimney tray for a column for thermal treatment of fluid mixtures | Thomas Walter | 2019-11-12 |
| 10413841 | Column for thermal treatment of fluid mixtures | Thomas Walter | 2019-09-17 |
| 10343969 | Process and plant for recovering acrylic acid | Thomas Walter, Markus Ottenbacher, Frank Huetten | 2019-07-09 |
| 10239033 | Reactor system and use thereof | Thomas Walter | 2019-03-26 |
| 10183234 | Crossflow tray for a mass transfer column, mass transfer column and use of the mass transfer column | Tim Blaschke, Ulrich Cremer | 2019-01-22 |
| 10174935 | System and method for operating a liquid gas evaporator | Thomas Walter | 2019-01-08 |
| 10173147 | Apparatus and process for separating a target product from a liquid phase comprising the target product | Joerg Heilek, Rainer Askani, Wolfgang Schneider, Thomas Walter | 2019-01-08 |
| 10093551 | Process and plant for treatment of secondary components obtained in acrolein and/or (meth)acrylic acid production | Thomas Walter, Christian Raith | 2018-10-09 |
| 9958201 | Column for thermal treatment of a fluid | Thomas Walter | 2018-05-01 |
| 9925526 | Oxidation catalyst with saddle-shaped support body | Cathrin Alexandra Welker-Nieuwoudt, Josef Macht, Christian Walsdorff, Cornelia Katharina Dobner | 2018-03-27 |
| 9797657 | Heat exchanger, reactor arrangement comprising this heat exchanger and method for controlling the temperature of a reactor | Thomas Walter, Armin Schraut | 2017-10-24 |
| 9701612 | Process and plant for recovering acrylic acid | Thomas Walter, Markus Ottenbacher, Frank Huetten | 2017-07-11 |
| 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, Cornelia Katharina Dobner, Stefan Lipp, Cathrin Alexandra Welker-Nieuwoudt +1 more | 2017-07-11 |
| 9643910 | Extraction column and process for extracting a constituent from a fluid | Daniel Pfeiffer, Jonathan Walter | 2017-05-09 |
| 9636651 | Plant and process for performance of heterogeneously catalyzed gas phase reactions | Thomas Walter | 2017-05-02 |
| 9499969 | System and method for recovery of liquid or free-flowing chemicals | Thomas Walter | 2016-11-22 |
| 9422221 | Method for the restabilization of (meth)acrylic monomers | Norbert Herfert, Renate Wuestefeld | 2016-08-23 |
| 9238217 | Catalyst for preparation of an unsaturated carboxylic acid by gas phase oxidation of an unsaturated aldehyde | Cathrin Alexandra Welker-Nieuwoudt, Cornelia Katharina Dobner, Holger Borchert, Josef Macht, Andrey Karpov +1 more | 2016-01-19 |
| 9169188 | Process for preparing an unsaturated aldehyde and/or an unsaturated carboxylic acid | Josef Macht, Christian Walsdorff, Cornelia Katharina Dobner, Cathrin Alexandra Welker-Nieuwoudt | 2015-10-27 |
| 9018416 | Thermal separation process | Klaus Joachim Mueller-Engel, Thomas Walter, Frank Huetten, Markus Ottenbacher | 2015-04-28 |
| 8829134 | Process for transporting in the tank of a tank truck or tanker ship a liquid monomer phase withdrawn from a storage vessel | Joerg Heilek, Volker Schliephake, Klaus Joachim Mueller-Engel, Till Blum | 2014-09-09 |
| 8686194 | Mo-, Bi- and Fe-comprising multimetal oxide compositions | Josef Macht, Andrey Karpov, Cornelia Katharina Dobner, Frank Rosowski, Klaus Joachim Müller-Engel | 2014-04-01 |