Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12121133 | Method for determining a greyness level of a strand of hair | Hans Georg Knuebel, Astrid Kroos | 2024-10-22 |
| 11857332 | Determination of a degree of elongation of hair using a NIR sensor | Hans Georg Knuebel, Astrid Kroos, Annika Koenen, Erik Schulze zur Wiesche | 2024-01-02 |
| 11311093 | Method for determining a cross-manufacturer hair dye recommendation | Hans Georg Knuebel, Annika Koenen | 2022-04-26 |
| 10959665 | Determining the thickness of hair on the head in a damage-free way | Georg Knuebel, Andreas Kirch | 2021-03-30 |
| 10736827 | Hair dye agent having unilamellar and multilamellar vesicles | Burkhard Mueller | 2020-08-11 |
| 10603260 | Storage-stable developer for oxidative dye | Carsten Brake, Burkhard Mueller, Torsten Lechner, Laura Knechtel | 2020-03-31 |