Issued Patents All Time
Showing 1–20 of 20 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 | Torsten Lechner, Juergen Schoepgens, Marc Nowottny, Carsten Mathiaszyk, 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, Avni Tairi, Carolin Kruppa, Marc Nowottny +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 |
| 12220470 | Pigment suspension and cosmetic agent prepared using the pigment suspension | Gabriele Weser, Ulrike Schumacher, Claudia Kolonko, Caroline Kriener, Jing Hodes +5 more | 2025-02-11 |
| 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 |
| 12090222 | Method for dyeing keratin material, comprising the use of an organosilicon compound, two dyeing compounds and a post-treatment agent | Gabriele Weser, Torsten Lechner, Juergen Schoepgens, Carsten Mathiaszyk, Marc Nowottny +3 more | 2024-09-17 |
| 11992546 | 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 | 2024-05-28 |
| 11938211 | Process for coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer I | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher +3 more | 2024-03-26 |
| 11918665 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a sealing reagent I | Torsten Lechner, Gabriele Weser, Claudia Kolonko, Caroline Kriener, Ulrike Schumacher +3 more | 2024-03-05 |
| 11896701 | Method for dyeing keratin material, comprising the use of an organic C1-C6 alkoxy silane and tannic acid | Marc Nowottny, Carsten Mathiaszyk, Gabriele Weser, Torsten Lechner, Caroline Kriener +4 more | 2024-02-13 |
| 11890366 | Method for dyeing keratin material, comprising the use of an organic C1-C6 alkoxy silane and a copolymer of styrene and maleic acid (anhydride) | Caroline Kriener, Carsten Mathiaszyk, Torsten Lechner, Gabriele Weser, Udo Erkens +4 more | 2024-02-06 |
| 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 |
| 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 |
| 11052027 | Use of sodium chloride in bleaching agents based on percarbonate for human hair application | Udo Erkens, Torsten Lechner | 2021-07-06 |