Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11786452 | Method for dyeing keratinous material | Constanze Kruck, Daniela Kessler-Becker | 2023-10-17 |
| 11771641 | Method for dyeing keratinous material by means of a premix of aminosilicone and a chromophoric compound | Constanze Kruck, Daniela Kessler-Becker, Sofie Baumann | 2023-10-03 |
| 11766395 | Product for dyeing keratinous material, containing aminosilicones and pigments in specific weight relations | Constanze Kruck, Daniela Kessler-Becker | 2023-09-26 |
| 11766396 | Kit and method for dyeing keratinous material by means of aminosilicone and a chromophoric compound | Constanze Kruck, Daniela Kessler-Becker, Melanie Moch, Susanne Dickhof | 2023-09-26 |