公开(公告)号：US20200163855A1

公开(公告)日：2020-05-28

申请号：US16061907

申请日：2016-12-16

Applicant: L'OREAL

Inventor： Christian BLAISE ,  Abel MESSAVUSSU

IPC: A61K8/49 ,  A61Q5/06

Abstract: The invention relates to a process for dyeing and/or lightening keratin fibres using direct dyes of styryl or naphthylamide 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：US20180256476A1

公开(公告)日：2018-09-13

申请号：US15979955

申请日：2018-05-15

Applicant: L'OREAL

Inventor： Anne-Claude DUBLANCHET ,  Christian BLAISE ,  Abel MESSAVUSSU

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

CPC classification number: A61K8/585 ,  A61K8/49 ,  A61K8/4953 ,  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.

公开(公告)号：US20230240954A1

公开(公告)日：2023-08-03

申请号：US16468860

申请日：2017-12-21

Applicant: L'OREAL

Inventor： Annabelle EUDELINE-LY ,  Hervé DAVID ,  Christian BLAISE ,  Abel MESSAVUSSU

IPC: A61K8/35 ,  A61K8/46 ,  A61Q5/06 ,  A61K8/49

CPC classification number: A61K8/355 ,  A61K8/466 ,  A61Q5/065 ,  A61K8/4926 ,  A61K2800/434

Abstract: Use of anthraquinone dyes and of fluorescent dyes for dyeing keratin fibres, dyeing process and composition. The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, using a) one or more particular anthraquinone dyes and b) one or more fluorescent direct dyes; to a composition comprising a) and b). The present invention also relates to a multi-compartment device containing the compounds defined above.