Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12178897 | Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations | Razi Abbas, Thomas Hippe, Astrid Kleen, Hartmut Manneck, Stefan Hoepfner +1 more | 2024-12-31 |
| 12109291 | Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations | Razi Abbas, Thomas Hippe, Astrid Kleen, Hartmut Manneck, Stefan Hoepfner +1 more | 2024-10-08 |
| 12102704 | Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations | Razi Abbas, Thomas Hippe, Astrid Kleen, Hartmut Manneck, Stefan Hoepfner +1 more | 2024-10-01 |
| 12097274 | Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations | Razi Abbas, Thomas Hippe, Astrid Kleen, Hartmut Manneck, Stefan Hoepfner +1 more | 2024-09-24 |