Hair coloring compositions comprising latex polymers
US9750678B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2014 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Dec 19, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is color base composition for coloring keratin fibers comprising: at least two latex polymers independently selected from acrylate latex polymers and polyurethane latex polymers; at least one alkalizing agent; at least one oxidative dye precursor; at least one organic solvent; and water; wherein the at least two latex polymers are partially or fully neutralized; and wherein the at least two latex polymers are present in a combined amount ranging from about 0.2% to about 2.5% by weight, relative to the weight of the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.