Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10307354 | Resorcinol derivatives in compositions for simultaneous reshaping and coloring of keratinous fibers | Antje Gebert-Schwarzwaelder | 2019-06-04 |
| 10226647 | Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic surfactant | Antje Gebert-Schwarzwaelder, Helmut Giesa | 2019-03-12 |