Dye composition comprising a para-phenylenediamine oxidation base and a heterocyclic oxidation base
US10568821B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2018 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Dec 14, 2038 |
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: a) at least one oxidation base 3-(2,5-diaminophenyl)-1-propanol acid salts thereof or solvates thereof such as hydrates; b) at least one heterocyclic oxidation base; c) at least one coupler; d) optionally at least one fatty substance; e) optionally at least one basifying agent; and f) 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.