Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9024016 | Process for producing acesulfame potassium | Michael J. Bayer, Stephan Brietzke, Christoph Mollenkopf | 2015-05-05 |
| 8663595 | Process for producing ammonium salts | Stephan Brietzke, Christoph Mollenkopf, Michael J. Bayer | 2014-03-04 |
| 8658830 | Method to recover organic tertiary amines from waste sulfuric acid | Stephan Brietzke, Carl Christoph Mollenkopf | 2014-02-25 |
| 8496905 | Method for the manufacture of an ammonium sulfate composition | Stephan Brietzke, Carl Christoph Mollenkopf | 2013-07-30 |
| 8309048 | Process for producing ammonium salts | Stephan Brietzke, Carl Christoph Mollenkopf, Michael J. Bayer | 2012-11-13 |
| 8303921 | Process for producing ammonium salts | Stephan Brietzke, Carl Christoph Mollenkopf, Michael J. Bayer | 2012-11-06 |
| 7705106 | Initial compounds for producing polyurethanes | Regina Hendreich, Paul Ch. Kierkus, Thomas Ostrowski, Eckhard Stroefer, Kai Thiele +2 more | 2010-04-27 |