CATIONIC PARA-PHENYLENEDIAMINES, COMPOSITION COMPRISING AT LEAST SUCH COMPOUNDS, IMPLEMENTATION PROCESS THEREFOR AND USE THEREOF
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Dec 17, 2012
filing date -
Dec 16, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to particular cationic paraphenylenediamine compounds of formula (I) below and also to the use thereof for dyeing keratin fibres, in particular human keratin fibres such as the hair. The invention also relates to a dye composition comprising, in a suitable dyeing medium, one or more cationic para-phenylenediamines as defined previously. Finally, the invention relates to a dyeing device using the said composition.
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