Dyeing composition comprising a specific anthraquinone cationic direct dye, a cationic surfactant, an amphoteric or zwitterionic surfactant and a fatty alcohol
US12226502B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
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Key dates
| Filing date | Jun 29, 2021 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Jun 29, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/596
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a composition for dyeing human keratin fibers, preferably the hair, comprising: —one or more anthraquinone cationic direct dyes; —one or more polyols, —one or more anionic surfactants, and —one or more nonionic polysaccharides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.