Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946198 | Disperse azo dyes, a process for the preparation thereof and the use thereof | Ralf Petermann, Urs Lauk, Simon Pfister, Yvonne Pesek | 2024-04-02 |
| 9546279 | Anthraquinone azo dyes | Ralf Petermann, Urs Lauk, Yvonne Pesek | 2017-01-17 |