Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174222 | Multistep process for the preparation of diisocyanates | — | 2021-11-16 |
| 10919845 | Cleaning device for gas flows from isocyanate production | Manfred Kobylka, Dominik Duerig, Bernhard Seidel | 2021-02-16 |
| 10889539 | Aniline purification process | Friedhelm Steffens, Murat Kalem, Peter Lehner | 2021-01-12 |