Hair colorant compositions comprising 3-amino-2,6-dimethylphenol and 1,4-phenylenediamine-type developers, methods, and kits comprising the compositions
US8608810B2 · kind B2 · utility
4Cited by
22References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2013 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | Mar 27, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hair colorant composition comprises 3-amino-2,6-dimethylphenol in combination with a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene, 2,6-diaminopyridine and a developer selected from the group consisting of 2-methyl-1,4-benzenediamine, 2-methyl-1,4-benzenediamine sulfate salt, p-phenylenediamine, p-toluenediamine, hydroxyethyl-p-phenylenediamine, N,N-bis(hydroxyethyl)-p-phenylenediamine, 2-methoxymethyl-1,4-benzenediamine. A kit for coloring hair comprises the hair colorant composition. A method of treating hair comprises applying the hair colorant composition to hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.