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1. CN112119307 - EVALUATING THE EFFICACY OF LEAVE-ON COSMETIC COMPOSITIONS TO PROTECT FROM POLLUTANTS

Office
Chine
Numéro de la demande 201980032742.3
Date de la demande 02.05.2019
Numéro de publication 112119307
Date de publication 22.12.2020
Type de publication A
CIB
G01N 33/50
GPHYSIQUE
01MÉTROLOGIE; TESTS
NRECHERCHE OU ANALYSE DES MATÉRIAUX PAR DÉTERMINATION DE LEURS PROPRIÉTÉS CHIMIQUES OU PHYSIQUES
33Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes G01N1/-G01N31/146
48Matériau biologique, p.ex. sang, urine; Hémocytomètres
50Analyse chimique de matériau biologique, p.ex. de sang ou d'urine; Test par des méthodes faisant intervenir la formation de liaisons biospécifiques par ligands; Test immunologique
CPC
G01N 33/5082
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
48Biological material, e.g. blood, urine
50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
5005involving human or animal cells
5008for testing or evaluating the effect of chemical or biological compounds, e.g. drugs, cosmetics
5082Supracellular entities, e.g. tissue, organisms
G01N 21/6458
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
64Fluorescence; Phosphorescence
645Specially adapted constructive features of fluorimeters
6456Spatial resolved fluorescence measurements; Imaging
6458Fluorescence microscopy
G01N 21/65
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
65Raman scattering
G01N 2021/656
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
65Raman scattering
653Coherent methods [CARS]
656Raman microprobe
Déposants UNILEVER PLC
荷兰联合利华有限公司
Inventeurs JI CHENGDONG
吉承栋
MENG SHENG
孟晟
YI SHANGCHUN
易尚淳
YUAN CAIGEN
袁才根
Mandataires 北京市金杜律师事务所 11256
北京市金杜律师事务所 11256
Données relatives à la priorité PCT/CN2018/087260 17.05.2018 CN
18181178.7 02.07.2018 EP
Titre
(EN) EVALUATING THE EFFICACY OF LEAVE-ON COSMETIC COMPOSITIONS TO PROTECT FROM POLLUTANTS
(ZH) 评价免洗型化妆品组合物对污染物的防护功效
Abrégé
(EN) Disclosed is an in-vitro method to determine efficacy of a cosmetic composition or of one or more ingredients comprised therein to inhibit a particulate pollutant from contacting skin, said method comprising the steps of: (i) contacting a human skin equivalent with a cosmetic composition to form, upon drying, a layer thereof extending along mutually perpendicular X and Y and Z axis where along said Z axis said layer is 1 to 100 [mu]m, where said Z axis indicates thickness of said layer; (ii) depositing, on said layer, a known amount of a model fine particulate matter comprising a first substance responsive to depth profile analysis where said cosmetic composition comprises a second substance, not comprised in said model fine particulate matter but also responsive to said depth profile analysis where the response of said first and second substances are distinguishable; (iii) for a pre-determined period after depositing said model fine particulate matter, periodically measuring responseof said first and said second substance by said depth profile analysis, to thereby determine the amount of said model fine particulate matter at defined intervals along said Z axis; and, (iv) ascertaining said efficacy based on the amount of said model fine particulate matter at said defined intervals along said Z axis throughout said pre-determined period.
(ZH) 公开确定化妆品组合物或包含的一种或多种成分抑制颗粒污染物接触皮肤的功效的体外方法,包括步骤:(i)使人体皮肤等效物与化妆品组合物接触以在干燥后形成沿相互垂直的X、Y和Z轴延伸的层,其中该层沿Z轴为1至100μm,其中Z轴表示层的厚度;(ii)在层上沉积已知量的包含响应深度剖面分析的第一物质的模型微细颗粒物质,其中化妆品组合物包含未包含在模型微细颗粒物质中但也响应深度剖面分析的第二物质,其中第一和第二物质的响应可区分;(iii)在沉积模型微细颗粒物质的预定时间段内,通过深度剖面分析定期测量第一和第二物质的响应从而确定模型微细颗粒物质在沿Z轴的规定间隔处的量;和(iv)基于在整个预定时间段内在沿着Z轴的规定间隔处模型微细颗粒物质的量来确定所述功效。
Documents de brevet associés
MXMX/a/2020/012222Cette demande ne peut pas être visualisée dans PATENTSCOPE car les données relatives à l'ouverture de la phase nationale n'ont pas encore été publiées ou sont émises par un pays qui ne partage pas de données avec l'OMPI ou il y a un problème de formatage ou d'indisponibilité de la demande.