Issued Patents 2024
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12178897 | Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations | Razi Abbas, Tugce Cansev, 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, Tugce Cansev, 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, Tugce Cansev, 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, Tugce Cansev, Astrid Kleen, Hartmut Manneck, Stefan Hoepfner +1 more | 2024-09-24 |
| 12048756 | Pigment suspension and method for dying keratinous material using the pigment suspension | Rene Krohn, Jessica BRENDER, Stefan Hoepfner | 2024-07-30 |
| 11998629 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a film-forming polymer | Rene Krohn, Stefan Hoepfner, Jessica BRENDER | 2024-06-04 |
| 11883518 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, an hydroxycarboxylic acid ester, a diol and a dyeing compound | Rene Krohn, Jessica BRENDER, Stefan Hoepfner | 2024-01-30 |