Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143646 | Oxidative coloring or blonding agent gentle on hair, and gentle hair coloring or blonding method | Thomas Hippe, Hartmut Manneck | 2018-12-04 |
| 9980891 | Agent and method for oxidative hair coloring or bleaching, which are gentle on hair | Hartmut Manneck, Thomas Hippe | 2018-05-29 |