Patent ID: 7651535
Filing Date: 2010-01-26
Classification: A61K,A61Q

Abstract:
1. A method for dyeing keratin materials comprising applying a dye composition to the keratin materials by dry thermal transfer, the dye composition comprising at least one direct anthraquinone dye of the following formula (I): in which: R, independently of each other, represent: a hydrogen atom; a hydroxyl group; an amino group; or an amino group which is mono- or di-substituted with one or two radicals, which are identical or different, chosen from the radicals C R′, independently of each other, represent: a hydrogen atom; a halogen atom; a hydroxyl group; an amino group; an amino group which is mono- or di-substituted with one or two radicals, which are identical or different, chosen from the radicals C a C a (C a (C a (C a group —SR —COOR —SO