Dyeing of in particular human keratin materials by dry thermal transfer of a direct anthraquinone dye, composition comprising the said dye and its method of preparation
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United States of America Patent
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Jan 26, 2010
Grant Date -
Jul 17, 2008
app pub date -
Feb 28, 2006
filing date -
Feb 28, 2005
priority date (Note) -
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Abstract
The subject of the present invention is the use, for dyeing in particular human keratin materials, of a specific direct anthraquinone dye by dry thermal transfer.Its subject is furthermore a method for dyeing keratin materials, in which at least one direct anthraquinone dye contained in a dry composition is applied to or close to the keratin materials, and a source of heat is applied, causing the thermal transfer of the direct dye(s) at the surface and/or inside the keratin materials.It relates furthermore to the dry composition and a method for preparing it.
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