Particular quinone direct dyes, dye composition comprising at least one such dye, implementation process therefor and use thereof

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专利权人:

发明人:

Stephane Sabelle

申请号：

US14365224

公开号：

US09233057B2

申请日:

2012.12.13

申请国别(地区):

US

年份:

2016

代理人:

摘要：

The present invention relates to quinone direct dyes of formula (I) below, organic or mineral acid or base salts thereof, tautomeric forms, optical isomers or geometrical isomers thereof and/or solvates thereof: and also to the use thereof for dyeing keratin fibers, in particular human keratin fibers such as the hair. The invention also relates to a composition for dyeing keratin fibers, comprising such direct dyes in a suitable dyeing medium. Similarly, a subject of the present invention is a process for dyeing keratin fibers, using the said dye composition.

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