Packaging article comprising an envelope and an anhydrous dye composition comprising an oxidation dye, use of the same and process for dyeing keratin fibres
US10117811B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2014 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Dec 19, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/87
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a packaging article comprising i) an envelope defining at least one cavity, the envelope comprising water-soluble or liposoluble fibers, ii) at least one anhydrous dye composition containing at least one oxidation dye; and iii) optionally at least one anhydrous oxidizing agent, preferably in powder form; it being understood that the dye composition ii) and the chemical oxidizing agent iii), when it is present, are in one of the cavities of the envelope i). Another subject of the invention is the use of the packaging article for dyeing keratin fibers, and a process for dyeing keratin fibers using the said article. The use of the packaging article makes it possible to obtain dye compositions having good dyeing properties, which are easy to apply and which make it possible to obtain powerful coloring of the hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.