Hair dyeing process and composition
US4776855A · kind A · utility
29Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1987 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | May 18, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.