Dyeing method using a composition comprising an ortho-diphenol and comprising a wiping, drying or non rinsing stage
US7857866B2 · kind B2 · utility
2Cited by
3References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 2009 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Dec 14, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The disclosure relates to methods for dyeing keratinous fibers by treatment of said fibers with i) at least entity chosen from ortho-diphenol and derivatives thereof, ii) at least one metal salt, iii) hydrogen peroxide or at least one system which generates hydrogen peroxide and iv) at least one (bi)carbonate, said method additionally involving an intermediate wiping and/or drying and/or non rinsing stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.