Hair dyeing process and composition
USRE33786E · kind E · reissue
21Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1990 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Jan 12, 2010 |
Classification
- Technology area (CPC —)General
Abstract
A two part oxidation dyeing method for human hair is provided together with a composition therefor in which both parts are relatively fluid until mixed, after which the combination becomes viscous and can be applied to hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.