Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227898 | Pyridine and pyrimidine substituted triazine UV absorbers | Hosuk Ryu, Gilles Sperissen, Martin Weber | 2025-02-18 |
| 11840804 | Pyridine and pyrimidine substituted triazine UV absorbers | Hosuk Ryu, Gilles Sperissen, Martin Weber | 2023-12-12 |
| 7728067 | Acid donors for dyeing polyamide | Claudius Brinkmann | 2010-06-01 |