Dye composition comprising a para-phenylenediamine oxidation base and an additional base
US10639254B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2015 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Dec 11, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition for dyeing keratin fibres, in particular keratin fibres such as the hair, comprising: at least one oxidation base 3-(2,5-diaminophenyl)-1-propanol and/or acid salts thereof or solvates thereof; at least one oxidation base chosen from para-aminophenol, 3-methyl-4-aminophenol and N,N-bis(3-hydroxyethyl)-para-phenylenediamine, addition salts thereof, solvates thereof, and mixtures thereof; at least one coupler; optionally at least one fatty substance; optionally at least one basifying agent; and optionally at least one chemical oxidizing agent. The invention also relates to a process for dyeing keratin fibres such as the hair using the composition of the invention, and to a multi-compartment device for using the composition of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.