Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344817 | Cleaning composition | Stephan Dörries, Ralf Krack, Michael Schmidt | 2025-07-01 |
| 11851633 | Cleaning composition | Stephan Dörries, Ralf Krack, Michael Schmidt | 2023-12-26 |
| 11639018 | Method and device for cleaning a polymer melt | Klaus Schafer, Jörg Alexander, Friedel Dickmeiss | 2023-05-02 |
| 11168285 | Cleaning composition | Stephan Dörries, Ralf Krack, Michael Schmidt | 2021-11-09 |