Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11702381 | Method for operating a rectification column | Shuang Liang, Zhangyong Ming, Juergen Bausa | 2023-07-18 |
| 11231727 | Method for continuously producing a product by way of at least two coupled-together chemical reactions | Erwin Dieterich, Heinz-Josef Hamacher | 2022-01-25 |
| 10799810 | Cascade tray, rectifying column containing said cascade tray, method for operating such a rectifying column, and use of same | Jürgen Bausa | 2020-10-13 |
| 10698424 | Method for continuously producing a product by way of at least two coupled-together chemical reactions | Erwin Dieterich, Heinz-Josef Hamacher | 2020-06-30 |
| 10155720 | Method for producing toluenediamine | Antoni Mairata, Antonia Zock | 2018-12-18 |
| 10041921 | Device and method for producing aromatic amines | Bodo Temme | 2018-08-07 |
| 9896407 | Exhaust gas cleaning in a method for continuously producing dinitrotoluene | Thomas Knauf, Jurgen Munnig, Wolfgang Lorenz | 2018-02-20 |
| 9518006 | Method for producing diaminotoluene | Amgad Salah Moussa, Bastian Mahr | 2016-12-13 |
| 9365503 | Process for the preparation of isocyanates in the gas phase | Klaus Biskup, Rainer Bruns, Wolfgang Lorenz, Lars Padeken, Fritz Pohl +2 more | 2016-06-14 |
| 9346012 | Method and apparatus for denenoxing waste gases from nitration | Ulrich Westphal, Dieter Foertsch, Spotswood Miller | 2016-05-24 |
| 9150493 | Method for producing aromatic amines in the liquid phase | Wolfgang Lorenz | 2015-10-06 |
| 9139508 | Method and system for producing nitrobenzene | Juergen Munnig, Wulf Dietrich, Andreas Rausch | 2015-09-22 |
| 8357827 | Process for the continuous preparation of nitrobenzene | Jurgen Munnig, Andreas Rausch | 2013-01-22 |
| 8110073 | Process for the preparation of aromatic amines | Bill Brady, Rainer Buse | 2012-02-07 |
| 8063241 | Process for the preparation of toluene-diisocyanate | Wolfgang Lorenz, Lars Padeken, Friedhelm Steffens, Lothar Weismantel | 2011-11-22 |
| 8030522 | Process for the production of toluene diisocyanate | Joachim Zechlin, Friedhelm Steffens, Wenbin JI | 2011-10-04 |
| 7511176 | Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenes | Fritz Pohl, Wolfgang Lorenz, Lars Padeken, Friedhelm Steffens, Gerhard Wiechers | 2009-03-31 |
| 7495136 | Process for the production of dinitrotoluene | Fritz Pohl, Wolfgang Lorenz, Juergen Muennig, Gerhard Wiechers | 2009-02-24 |
| 7307190 | Process for the preparation of toluenediamine | Bill Brady, Rainer Buse, Gerd Greger | 2007-12-11 |
| 7041858 | Process for the production of dinitrotoluene | Juergen Muennig, Dietmar Wastian, Volker Michele, Jesse Caravaggio, John F. Gisch, Jr. | 2006-05-09 |
| 6395934 | Raney nickel catalysts, a method for producing said raney nickel catalysts and the use of the same for hydrogenating organic compounds | Gerhard Wegener, Eckart Waldau, Bodo Temme, Hans Warlimont, Uta Kühn | 2002-05-28 |
| 5728896 | Process for the preparation of hydroxymethyl-cyclopropane | Lutz Frohn, Reinhard Langer, Gerhard Darsow, Eberhard Zirngiebl, Jorg-Dietrich Jentsch +1 more | 1998-03-17 |
| 5593936 | Hydrated niobium oxide and hydrated tantalum oxide catalysts, their preparation and a process for preparing N-alkylated anilines using these catalysts | Volker Glock, Ursula Pentling, Joerg-Dietrich Jentsch, Eberhard Zirngiebl, Horst Koller | 1997-01-14 |
| 5498744 | Process for the preparation of dimethyl carbonate | Joerg-Dietrich Jentsch, Alexander Klausener, Heinz Landscheidt, Bernd Lenders, Erich Wolters +1 more | 1996-03-12 |