Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10918581 | Oxidation agent preparations | Sylvia Kerl, Susanne Hagenow, Hartmut Manneck, Astrid Kleen-Fehres | 2021-02-16 |
| 10835471 | Method for dyeing keratin fibers | Aileen Wagner, Susanne Hagenow, Hartmut Manneck, Astrid Kleen-Fehres | 2020-11-17 |
| 10835478 | Lightening method using special siloxane compounds | Sylvia Kerl, Katharina Krause | 2020-11-17 |
| 10667999 | Tinting shampoos | Yvonne Lissner, Susanne Bietz, Katharina Krause, Daniel Eisebitt | 2020-06-02 |
| 10639262 | Toning shampoo with improved colour performance | Yvonne Lissner, Susanne Bietz, Katharina Krause | 2020-05-05 |
| 10624825 | Method for homogenously dyeing keratinous fibers | Susanne Hagenow, Sylvia Kerl, Hartmut Manneck, Astrid Kleen-Fehres | 2020-04-21 |
| 10328016 | Dye composition with special non-ionic linear silicone polymers | Sylvia Kerl, Susanne Bietz | 2019-06-25 |
| 10117825 | Oxidation coloring composition with protein-siloxane polymers | Sylvia Kerl | 2018-11-06 |