Double secondary para-phenylenediamine compounds, dye compositions comprising same, and dyeing process using the compositions
US7396367B2 · kind B2 · utility
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16References
27Claims
0Family size
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Key dates
| Filing date | Sep 9, 2005 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jun 25, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C217/84
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to double secondary para-phenylenediamine dye compounds. The present disclosure further relates to a dye composition comprising at least one double secondary para-phenylenediamine compound, a process for dyeing keratin fibers using the composition, and a kit for dyeing keratin fibers comprising a separate composition comprising an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.