Dye composition using a specific non-ionic hydrotropic compound in a medium rich in fatty substances, methods and device
US9687057B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2012 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Nov 28, 2032 |
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 fibers, comprising at least one fatty substance; at least one surfactant; at least one dye for keratin fibers, having a log P greater than or equal to 1.3; at least one alkaline agent; at least one chemical oxidizing agent; at least 0.5% by weight relative to the weight of the composition of at least one liquid non-ionic compound having a Hansen parameter δ H below 16 MPa ½; the fatty substance content representing in total at least 25% by weight relative to the total weight of the composition. The present invention also relates to a method using this composition, and to multi-compartment devices that are suitable for using this invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.