Keratinous fiber dyeing methods and compositions which contain sulfated methaphenylenediamine couplers in combination with oxidation dye precursors
US5534036A · kind A · utility
13Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1994 |
| Grant date | Jul 9, 1996 |
| Priority date | — |
| Expiry date | Dec 16, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C323/41
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides compositions of sulfated metaphenylenediamines for dyeing keratinous fibers and methods for their use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.