COUPLER WITH CATIONIC 7-AMINO-1,2,3,4-TETRAHYDROQUINOLINE STRUCTURE, DYEING COMPOSITION COMPRISING SAME, PROCESSES AND USES

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专利权人:

发明人:

申请号：

EP12801744.9

公开号：

EP2791115A1

申请日:

2012.12.17

申请国别(地区):

EP

年份:

2014

代理人:

摘要：

The invention relates to the use of specific heterocyclic couplers which are cationic 7-amino-1,2,3,4-tetrahydroquinoline derivatives of formula (I) for dyeing keratin fibers such as the hair: in which formula (I): R1 to R6, CAT+, An&minus, and Ra to Rb are as defined in the description.

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