Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10941087 | Process and plant for the adiabatic nitration of aromatic compounds | Jürgen Pöhlmann, Mirko Händel, Sophie Wernitz, Stefan Fankel | 2021-03-09 |
| 10513486 | Method and device for removing contaminants arising during the production of aliphatic nitrate esters | Jürgen Pöhlmann, Mirko Händel, Jürgen Gebauer | 2019-12-24 |
| 10266480 | Method and device for removing contaminants arising during the production of aliphatic nitrate esters | Jürgen Pöhlmann, Mirko Händel, Jürgen Gebauer | 2019-04-23 |
| 10125088 | Method for removing impurities from dinitrotoluenes | Jürgen Pöhlmann, Mirko Händel, Jürgen Gebauer, Tim Bergmann | 2018-11-13 |
| 9738592 | Method for removing impurities from dinitrotoluenes | Jürgen Pöhlmann, Mirko Händel, Jürgen Gebauer, Tim Bergmann | 2017-08-22 |
| 9540313 | Method and apparatus for purifying nitration products | Jürgen Pöhlmann, Mirko Händel, Jürgen Gebauer | 2017-01-10 |
| 9249083 | Process for scrubbing dinitrotoluene | Samuel Neto, Ruediger Fritz, Renate Hempel, Holger Allardt, Barbara BECKER +4 more | 2016-02-02 |
| 9115048 | Method and apparatus for purifying nitration products | Jürgen Pöhlmann, Mirko Händel, Jürgen Gebauer | 2015-08-25 |
| 7851661 | Method for producing dinitrotoluene | Johannes Buettner, Wolfgang Mackenroth, Peter Konieczny, Juergen Gebauer | 2010-12-14 |
| 7632960 | Process for the preparation of nitric esters of monohydric alcohols | Jürgen Pöhlmann, Frank Pottharst, Peter Konieczny, Mirko Händel, Jürgen Gebauer | 2009-12-15 |
| 7470826 | Recovery of nitrating acid mixtures from nitration processes | Jürgen Gebauer, Peter Konieczny, Mirko Händel | 2008-12-30 |
| 5763697 | Process for the nitration of aromatic compounds | Jürgen Gebauer | 1998-06-09 |
| 5756867 | Recovery of nitric acid from nitration processes | Jürgen Gebauer | 1998-05-26 |
| 5187274 | Process to avoid the formation of waste water during hexamine production | Gunther Pelster, Klaus Degener | 1993-02-16 |
| 4310500 | Method for removing volatile aromatic compounds | Gerhard Langecker, Hans-Jurgen Gebauer | 1982-01-12 |