Dyeing composition containing halogenated 2-nitroanilines
US4845293A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1987 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Feb 17, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B51/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dyeing composition for keratinous fibres comprising a solvent and at least one dye which is a halogenated 2-nitro-aniline of formula: ##STR1## in which Y is a halogen and Z is a NHR.sub.2 group or Y is hydrogen and Z is a halogen and R.sub.1 and R.sub.2, which may be identical or different, are each hydrogen, an alkyl group, a mono- or polyhydroxylated alkyl group, an alkyl group substituted with an alkoxy or hydroxyalkoxy group, or an aminoalkyl group, the amino group of which is optionally substituted with one or two alkyl or hydroxyalkyl groups, and it being possible for the nitrogen atom of the aminoalkyl group to form part of a heterocycle, all the abve alkyl groups or moieties containing from 1 to 6 carbon atoms, PA0 or, if the compound of formula (I) contains an amine group which can be salified, a cosmetically acceptable salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.