Use of latent pigments for high-remanence dyeing, composition containing the said pigments and processes using them
US7670390B2 · kind B2 · utility
0Cited by
4References
33Claims
0Family size
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Key dates
| Filing date | Jan 14, 2008 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Jan 14, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to the use, for dyeing keratin fibers, of at least one latent pigment, which is soluble in a medium that is suitable for dyeing, and which can be chemically, thermally or photochemically converted in the fibers into water-insoluble pigments, of formulaA(B)x
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.