Composition and method of dyeing keratin fibers comprising at least one heteroalkyl group comprising at least one ninhydrin derivative
US7182791B2 · kind B2 · utility
3Cited by
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25Claims
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Key dates
| Filing date | Jul 26, 2004 |
| Grant date | Feb 27, 2007 |
| Priority date | — |
| Expiry date | Aug 26, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/58
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition and method for dyeing keratin materials, comprising, in a medium that is suitable for dyeing, at least one compound of formula (I)wherein
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.