Colour changing composition in gel form
US9675533B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2013 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Jul 28, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/652
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A changing color composition in the form of a gel for caring for and/or making up keratin materials is disclosed. The composition comprises in a physiologically acceptable medium, a) from 0.1 to 10% by weight preferably from 0.5 to 10% more preferably from 1 to 5% by weight relative to the weight of the composition of microcapsules containing releasable colorant(s), said microcapsules comprising: —a core comprising one organic material, —at least one layered coating surrounding said core, the layered coating comprising at least one polymer at least one colorant, and advantageously at least one lipid-based material, b) at least 3% by weight, preferably at least 5% by weight, more preferably at least 8% by weight and advantageously at least 10% by weight relative to the weight of the composition of an aqueous phase comprising water and at least one compound chosen from polyols, glycols and C2-C8 monoalcohols, and mixtures thereof, and c) at least one hydrophilic gelifying agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.