Soluble solid hair coloring article
US8425622B2 · kind B2 · utility
6Cited by
94References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2012 |
| Grant date | Apr 23, 2013 |
| Priority date | — |
| Expiry date | May 23, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/8129
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A soluble solid hair coloring article having cationic direct dye and one or more soluble porous solids containing nonionic surfactant, cationic surfactant, or a mixture thereof, such that the one or more soluble porous solids have a density of from about 0.03 g/cm3 to about 0.15 g/cm3; and methods of applying the soluble solid hair coloring article to hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.