p-Aminophenol derivative compounds and dye compositions containing same
US6592631B2 · kind B2 · utility
3Cited by
0References
16Claims
0Family size
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Key dates
| Filing date | Apr 27, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Aug 7, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/28
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The p-aminophenol derivative compounds of formula (I), or their physiologically compatible water-soluble salts: are useful as developer compounds in oxidation dye compositions for keratin fibers. Oxidation dye compositions for keratin fibers, including hair, and methods of dyeing hair using the p-aminophenol derivative compounds are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.