公开(公告)号：US10993899B2

公开(公告)日：2021-05-04

申请号：US16061907

申请日：2016-12-16

Applicant: L'OREAL

Inventor： Christian Blaise ,  Abel Messavussu

IPC: A61Q5/10 ,  A61K8/49 ,  A61Q5/06

Abstract: The invention relates to a process for dyeing and/or lightening keratin fibres using direct dyes of styryl or naphthyl-amide type bearing a (C1-C18)aminoalkyl group. The dyeing process and the composition according to the invention make it possible in particular to obtain long-lasting, intense, chromatic and/or homogeneous colouring on the keratin fibres.

公开(公告)号：US11141368B2

公开(公告)日：2021-10-12

申请号：US15979955

申请日：2018-05-15

Applicant: L'OREAL

Inventor： Anne-Claude Dublanchet ,  Christian Blaise ,  Abel Messavussu

IPC: A61K8/58 ,  A61K8/49 ,  A61Q5/12 ,  C07D239/47

Abstract: The invention relates to a cosmetic composition, especially a hair composition, and to a method for the cosmetic treatment of keratin materials, especially of the hair, employing compounds of formula: in which Z represents (i) a hydrogen atom, (ii) a linear or branched C1 to C32 (saturated) alkyl radical; (iii) a linear or branched C2 to C32 (unsaturated) alkene radical, comprising one or two C═C double bonds; (iv) an aryl-substituted alkyl radical; said radicals being optionally substituted and/or interrupted.