Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504319 | Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer III | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher +3 more | 2022-11-22 |
| 11504321 | Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer II | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher +3 more | 2022-11-22 |
| 11331258 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, an oligoalkylsiloxane and a dyeing compound | Torsten Lechner, Juergen Schoepgens, Marc Nowottny, Gabriele Weser, Ulrike Schumacher +2 more | 2022-05-17 |
| 11298303 | System for thickening a dye preparation containing percarbonate | Udo Erkens, Torsten Lechner | 2022-04-12 |
| 11291622 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound and a silicon oil | Torsten Lechner, Juergen Schoepgens, Marc Nowottny, Gabriele Weser, Ulrike Schumacher +2 more | 2022-04-05 |