Erasable hair dyeing process
US5474578A · kind A · utility
25Cited by
12References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1994 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Oct 3, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/065
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hair fiber having a first color is contacted with a dye having the formula I, formula II, formula III or a mixture thereof whereby the fiber has imparted to it a second color, upon subsequent contact with alkaline peroxide the visual appearance of the first color is restored to the fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.