Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9155689 | Coloring agent comprising direct dyes and amphoteric surfactants | Gabriele Weser | 2015-10-13 |
| 9132288 | Substance for dyeing keratin fibers, including cationic anthraquinone dyes and anionic polymers | Gabriele Weser | 2015-09-15 |
| 9132072 | Coloring agent having direct dyes and non-ionic surfactants | Gabriele Weser | 2015-09-15 |
| 9125832 | Coloring composition with direct dyes and zwitterionic surfactants | Gabriele Weser | 2015-09-08 |
| 9125831 | Coloring agent comprising direct dyes and phosphate surfactants | Gabriele Weser | 2015-09-08 |
| 9125830 | Coloring agent comprising cationic direct dyes and lecithins | Gabriele Weser | 2015-09-08 |