Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501406 | Low by-product content polyphenylene polymethylene polyisocyanates | Michael Lorenz, Axel Franzke, Michael Bock, Geert Janssens | 2019-12-10 |
| 10421711 | Process for making a crystalline alkali metal salt of a complexing agent, and crystalline complexing agent | Constanze Franzke, Axel Franzke, Armin Stamm, Markus Hartmann | 2019-09-24 |