Issued Patents 2022
Showing 1–6 of 6 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, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher, Marc Nowottny +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, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher, Marc Nowottny +3 more | 2022-11-22 |
| 11464729 | Oxidative hair lightening or hair coloring composition having improved performance properties | Juergen Schoepgens, Christa Rohland | 2022-10-11 |
| 11458078 | Cold manufactured oxidative hair lightening or hair coloring composition for Level 2 colors | Christa Rohland, Juergen Schoepgens | 2022-10-04 |
| 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, Ulrike Schumacher, Claudia Kolonko +2 more | 2022-05-17 |
| 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, Ulrike Schumacher, Claudia Kolonko +2 more | 2022-04-05 |