Issued Patents 2022
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529303 | Method for dyeing keratinous material, containing dye and an acidic post-treatment agent | Torsten Lechner, Sofie Baumann | 2022-12-20 |
| 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 |
| 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 |
| 11439578 | Agent for dyeing hair, containing at least one organic silicon compound, a coloring compound and a film-forming, hydrophilic polymer | Torsten Lechner, Juergen Schoepgens | 2022-09-13 |
| 11406572 | Hydrogen peroxide formulations in barrier layer films with a SiOx layer | Torsten Lechner, Wolfgang Barthel | 2022-08-09 |
| 11382851 | Hair dye composition containing at least one organic silicon compound, a direct dye and a film forming hydrophobic polymer | Torsten Lechner, Juergen Schoepgens | 2022-07-12 |
| 11331258 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, an oligoalkylsiloxane and a dyeing compound | Torsten Lechner, Juergen Schoepgens, Gabriele Weser, Ulrike Schumacher, Claudia Kolonko +2 more | 2022-05-17 |
| 11324676 | Hydrogen peroxide formulations in barrier layer films with a metalized layer | Torsten Lechner, Wolfgang Barthel | 2022-05-10 |
| 11291622 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound and a silicon oil | Torsten Lechner, Juergen Schoepgens, Gabriele Weser, Ulrike Schumacher, Claudia Kolonko +2 more | 2022-04-05 |
| 11229587 | Hydrogen peroxide formulations in barrier layer films with a metallized layer | Torsten Lechner, Wolfgang Barthel | 2022-01-25 |