Process for the two-stage oxidation dyeing of keratin fibers with a manganese complex or salt and a 4-substituted 1-naphthol, and dyeing kit
US5873910A · kind A · utility
3Cited by
5References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1997 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | Dec 19, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/58
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for the two-stage oxidation dyeing of keratin fibers by applying to the keratin fibers: in a first stage, at least one composition A containing at least one manganese salt and/or a manganese complex, in a second stage, at least one composition B having a pH of greater than or equal to 6, and resulting from the extemporaneous mixing of at least one composition B1 containing at least one 4-substituted 1-naphthol and at least one composition B2 containing at least one oxidizing agent, and corresponding multi-compartment dyeing kit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.