Process for dyeing in the presence of oxidation bases comprising at least one sulfonic, sulfonamide, sulfone, amid or acid group and a metal catalyst, device and ready-to-use composition
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United States of America Patent
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Jan 23, 2018
Grant Date -
May 26, 2016
app pub date -
Jun 20, 2014
filing date -
Jun 21, 2013
priority date (Note) -
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Abstract
The present invention relates to a process for dyeing human keratin fibres, in which use is made of one or more metal catalysts and a composition (A) comprising: (a) at least 10% by weight of one or more fatty substances, (b) one or more oxidation bases of formula (I) or (II), the addition salts thereof, solvates thereof and mixtures thereof: Formula (I), Formula (II) (c) one or more chemical oxidizing agents other than atmospheric oxygen. The invention also relates to a multi-compartment device and to a composition comprising all of the above-mentioned ingredients.
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