Method of coloring hair with water soluble acid dyes
US5281240A · kind A · utility
7Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 21, 1992 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Sep 21, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/432
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of coloring hair in which there is applied to the hair a hair coloring preparation consisting essentially of a water based organic solvent free mixture of 0.01 to 10.0 percent by weight of a temporary dye color which is a water soluble acid dye, 0.1 to 10.0 percent by weight of a quaternary ammonium functional silane, the remainder of the mixture being water. The mixture is combed through the hair and the hair is allowed to dry without rinsing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.