Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513486 | Method and device for removing contaminants arising during the production of aliphatic nitrate esters | Jürgen Pöhlmann, Heinrich Hermann, Mirko Händel | 2019-12-24 |
| 10266480 | Method and device for removing contaminants arising during the production of aliphatic nitrate esters | Jürgen Pöhlmann, Heinrich Hermann, Mirko Händel | 2019-04-23 |
| 10125088 | Method for removing impurities from dinitrotoluenes | Jürgen Pöhlmann, Heinrich Hermann, Mirko Händel, Tim Bergmann | 2018-11-13 |
| 9738592 | Method for removing impurities from dinitrotoluenes | Jürgen Pöhlmann, Heinrich Hermann, Mirko Händel, Tim Bergmann | 2017-08-22 |
| 9540313 | Method and apparatus for purifying nitration products | Jürgen Pöhlmann, Heinrich Hermann, Mirko Händel | 2017-01-10 |
| 9115048 | Method and apparatus for purifying nitration products | Jürgen Pöhlmann, Heinrich Hermann, Mirko Händel | 2015-08-25 |
| 7632960 | Process for the preparation of nitric esters of monohydric alcohols | Jürgen Pöhlmann, Frank Pottharst, Heinrich Hermann, Peter Konieczny, Mirko Händel | 2009-12-15 |
| 7470826 | Recovery of nitrating acid mixtures from nitration processes | Heinrich Hermann, Peter Konieczny, Mirko Händel | 2008-12-30 |
| 5763697 | Process for the nitration of aromatic compounds | Heinrich Hermann | 1998-06-09 |
| 5756867 | Recovery of nitric acid from nitration processes | Heinrich Hermann | 1998-05-26 |