Keratin dyeing compositions comprising a radical scavenger and a chelant and use thereof
US7985266B2 · kind B2 · utility
16Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2010 |
| Grant date | Jul 26, 2011 |
| Priority date | — |
| Expiry date | Apr 20, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/51
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to colorant compositions for the oxidative dyeing of keratin fibers comprising an inhibiting system of radical scavengers and chelants in the dyeing composition. The invention also relates to methods for reducing color formation outside of the keratin fiber during oxidative dyeing comprising using such colorant compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.