Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975994 | Desalination of polyaryl ethers by means of melt extraction | Simon Gramlich, Achim Stammer, Frank Niedermaier | 2018-05-22 |
| 9738756 | Method for producing highly viscous polyamides | Rüdiger Häffner, Rolf-Egbert Grützner, Achim Stammer | 2017-08-22 |
| 9534083 | Production of polyamides by polycondensation | Achim Stammer, Faissal-Ali El-Toufaili, Simon Gramlich | 2017-01-03 |
| 9045598 | Process for producing aromatic polyether sulfones | Faissal-Ali El-Toufaili, Achim Stammer, Simon Gramlich | 2015-06-02 |
| 8629237 | Simplified production of nylon-6 | Rüdiger Häffner, Faissal-Ali El-Toufaili, Achim Stammer, Rolf-Egbert Grützner, Jens Becker | 2014-01-14 |