Specific naphthalmide-type dyes, dye composition comprising at least one such dye, process using same and uses
US7988741B2 · kind B2 · utility
1Cited by
4References
35Claims
0Family size
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Key dates
| Filing date | Oct 14, 2010 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Oct 14, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B69/001
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present application relates to a novel family of cationic naphthalimide compounds that can be used as a direct dye, and to a dye composition for the dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one such compound. The present application also relates to the dyeing process using this composition and its uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.