Issued Patents 2025
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377034 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a film-forming polymer II | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher +3 more | 2025-08-05 |
| 12357554 | Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent VI | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher +3 more | 2025-07-15 |
| 12329840 | Agent for dyeing keratin material, containing at least two organosilicon compounds that are different from each other, at least one pigment and at least one liquid fatty component and/or a solvent | Phillip Jaiser, Torsten Lechner, Juergen Schoepgens, Marc Nowottny, Andreas Walter +2 more | 2025-06-17 |
| 12296036 | Method for dyeing keratinous material, including the application of an organosilicon compound, a dyeing compound, a sealing reagent and an alkaline pre-treatment agent | Juergen Schoepgens, Torsten Lechner, Phillip Jaiser, Avni Tairi, Carolin Kruppa +2 more | 2025-05-13 |
| 12233147 | Method for treating keratin material | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher +3 more | 2025-02-25 |
| 12201712 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, a phosphoric acid ester and a dyeing compound | Gabriele Weser, Ulrike Schumacher, Caroline Kriener, Jing Hodes, Claudia Kolonko +4 more | 2025-01-21 |