| 10710054 |
Multi-zoned catalyst system for oxidation of o-xylene and/or naphthalene to phthalic anhydride |
Diana Carolina Galeano Nunez, Christian Walsdorff, Jürgen Zühlke |
2020-07-14 |
| 9914716 |
Catalyst system for oxidation of o-xylene and/or naphthalene to phthalic anhydride |
Diana Carolina Galeano Nunez, Christian Walsdorff, Jürgen Zühlke |
2018-03-13 |
| 9868713 |
Catalyst system for oxidizing o-xylol and/or naphthalene into phthalic anhydride |
Nico Fischer, Diana Carolina Galeano Nunez, Michael Kramer, Markus Schubert, Jürgen Zühlke |
2018-01-16 |
| 9765046 |
Process for preparing phthalic anhydride |
Nico Fischer, Michael Kramer, Jürgen Zühlke |
2017-09-19 |
| 9656983 |
Process for starting up a gas phase oxidation reactor |
Michael Kramer, Nico Fischer, Jürgen Zühlke |
2017-05-23 |
| 9067187 |
Catalyst system and method for gas phase oxidation using an upstream layer |
Hagen Wilmer, Jürgen Zühlke, Thomas Lautensack, Frank Rosowski, Cornelia Katharina Dobner |
2015-06-30 |
| 9029289 |
Catalyst for preparing carboxylic acids and/or carboxylic anhydrides |
Michael Kramer, Jürgen Zühlke, Stefan Altwasser, Nico Fischer, Frank Rosowski |
2015-05-12 |
| 8859459 |
Multilayer catalyst for preparing phthalic anhydride and process for preparing phthalic anhydride |
Stefan Altwasser, Jürgen Zühlke, Frank Rosowski |
2014-10-14 |
| 8492566 |
Method for starting a gas-phase oxidation reactor |
Hagen Wilmer, Jürgen Zühlke, Thomas Lautensack, Frank Rosowski, Cornelia Katharina Dobner |
2013-07-23 |
| 8263789 |
Catalyst system and method for gas phase oxidation using an upstream layer |
Hagen Wilmer, Jürgen Zühlke, Thomas Lautensack, Frank Rosowski, Cornelia Katharina Dobner |
2012-09-11 |
| 8067618 |
Method for gas phase oxidation using a moderator layer |
Thomas Lautensack, Hagen Wilmer |
2011-11-29 |
| 6350717 |
Catalyst and process for the selective hydrogenation of unsaturated compounds in hydrocarbon streams |
Andrea Frenzel, Cristina Freire Erdbrugger, Ekkehard Schwab, Michael Hesse, Gerd Linden +1 more |
2002-02-26 |
| 5856262 |
Supported palladium catalyst for selective catalytic hydrogenation of acetylene in hydrocarbonaceous streams |
Klemens Flick, Christof Herion |
1999-01-05 |
| 5847250 |
Supported palladium catalyst for selective catalytic hydrogenation of acetylene in hydrocarbonaceous streams |
Klemens Flick, Christof Herion |
1998-12-08 |
