Title:
チオピリジノン化合物を用いてケラチン成分の色素を除去するための方法
Document Type and Number:
Japanese Patent JP5931909
Kind Code:
B2
Abstract:
The invention relates to a cosmetic process for depigmenting, lightening and/or whitening keratin materials, in particular the skin, which comprises the application of a cosmetic composition comprising a compound of formula (I):or its tautomer form of formula (I′):in which:R1 and R2, which may be identical or different, denote a radical chosen from:a) a hydrogen atom;b) a C1-C20 alkyl group optionally interrupted with N, S or O, optionally substituted with one or more group(s) chosen from -—OR3, —SR3, —NR3R4, —CONHR3; —COORS; and an aryl group optionally substituted with one or more hydroxyls and/or with one or more C1-C8 alkoxy radicals;c) a C1-C8 alkyl group substituted with a C5-C12 aryl radical optionally substituted with one or more hydroxyls and/or with one or more C1-C8 alkoxy radicals;d) a phenyl group optionally substituted with one or more hydroxyls and/or with one or more C1-C8 alkoxy radicals;R3 denoting H or a C1-C5 alkyl group,R4 denoting H, a C1-C5 hydrocarbon-based group or an acetyl group;it being possible for R1 and R2 to form, with the nitrogen atom which bears them, a ring chosen from pyrrolidine, pyrroline, piperidine, piperazine, morpholine, thiomorpholine and azepine.The invention also relates to the cosmetic use of a compound (I) or (I′) as a whitening, lightening and/or depigmenting agent for keratin materials.
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Inventors:
Xavier Mara
Application Number:
JP2013543653A
Publication Date:
June 08, 2016
Filing Date:
December 08, 2011
Export Citation:
Assignee:
LOREAL
International Classes:
A61K8/49; A61Q19/02
Domestic Patent References:
| JP1216973A | ||||
| JP2002275159A | ||||
| JP5124924A | ||||
| JP1228908A | ||||
| JP6107531A | ||||
| JP10158148A |
Foreign References:
| FR2555450A1 | ||||
| WO2009036938A1 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro