Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11826586 | Method for dyeing keratin material, comprising the use of an organic C1-C6-alkoxy-silane and an alkalising agent | Torsten Lechner, Gabriele Weser, Marc Nowottny, Carsten Mathiaszyk, Caroline Kriener +4 more | 2023-11-28 |
| 11744789 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a sealing reagent III | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Ulrike Schumacher, Caroline Kriener +4 more | 2023-09-05 |
| 11737967 | Increasing the stability of agents for treating keratin material | Ulrike Schumacher, Juergen Schoepgens, Marc Nowottny, Caroline Kriener, Claudia Kolonko +3 more | 2023-08-29 |
| 11701318 | Process of dyeing keratinous material comprising the use of an organosilicon compound, an effect pigment, and a film-forming polymer I | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Marc Nowottny +3 more | 2023-07-18 |