Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10918581 | Oxidation agent preparations | Camille Grosjacques, Sylvia Kerl, Hartmut Manneck, Astrid Kleen-Fehres | 2021-02-16 |
| 10835471 | Method for dyeing keratin fibers | Camille Grosjacques, Aileen Wagner, Hartmut Manneck, Astrid Kleen-Fehres | 2020-11-17 |
| 10624825 | Method for homogenously dyeing keratinous fibers | Camille Grosjacques, Sylvia Kerl, Hartmut Manneck, Astrid Kleen-Fehres | 2020-04-21 |
| 10456352 | Oxidation dyeing agent with special hydroxy-terminated, amine-functionalized silicone polymers | Sylvia Kerl | 2019-10-29 |
| 10004672 | Oxidation dye including a combination of cross-linked, aminated siloxane polymers and non-ionic surfactants | Sylvia Kerl | 2018-06-26 |
| 9693937 | Foil applicator | Astrid Kleen, Carolin Welz | 2017-07-04 |
| 8226733 | Two-phase developer | Astrid Kleen | 2012-07-24 |