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1. EP3666253 - COSMETIC

Office
European Patent Office
Application Number 18844771
Application Date 22.06.2018
Publication Number 3666253
Publication Date 17.06.2020
Publication Kind A4
IPC
A61K 8/891
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
18characterised by the composition
72containing organic macromolecular compounds
84obtained by reactions other than those involving only carbon-to-carbon unsaturated bonds
89Polysiloxanes
891saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
A61K 8/31
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
18characterised by the composition
30containing organic compounds
31Hydrocarbons
A61K 8/34
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
18characterised by the composition
30containing organic compounds
33containing oxygen
34Alcohols
A61K 8/35
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
18characterised by the composition
30containing organic compounds
33containing oxygen
35Ketones, e.g. quinones, benzophenone
A61K 8/37
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
18characterised by the composition
30containing organic compounds
33containing oxygen
37Esters of carboxylic acids
A61Q 1/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
1Make-up preparations; Body powders; Preparations for removing make-up
02Preparations containing skin colorants, e.g. pigments
CPC
A61K 8/891
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
18characterised by the composition
72containing organic macromolecular compounds
84obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
89Polysiloxanes
891saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
A61Q 1/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
1Make-up preparations; Body powders; Preparations for removing make-up
02Preparations containing skin colorants, e.g. pigments
A61Q 17/04
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
17Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
04Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
A61Q 19/10
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
19Preparations for care of the skin
10Washing or bathing preparations
A61Q 1/10
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
1Make-up preparations; Body powders; Preparations for removing make-up
02Preparations containing skin colorants, e.g. pigments
10for eyes, e.g. eyeliner, mascara
A61Q 15/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
15Anti-perspirants or body deodorants
Applicants SHINETSU CHEMICAL CO
Inventors KAMEI MASANAO
KANAI TOMOYA
ABE TAKUYA
INABA RYUICHI
KIMURA TSUNEO
Designated States
Priority Data 2017155287 10.08.2017 JP
Title
(DE) KOSMETIKUM
(EN) COSMETIC
(FR) PRODUIT COSMÉTIQUE
Abstract
(EN) The present invention is a cosmetic includes at least one cyclic silicone represented by the following general formula (1), and having a boiling point of 205 to 255°C and a viscosity of less than 5 mm2/s (25°C). This provides a cosmetic which has a light touch, a good spread, and excellent water repellency, forms a uniform cosmetic film, can achieve a good feeling of use without strongly feeling an oily feeling, and has excellent stability over time and cosmetic persistence even when a variety of oil such as a silicone, a hydrocarbon oil, and an ester, an organic ultraviolet absorber, or an oily component being solid at 25°C is mixed.(Wherein R1is a monovalent hydrocarbon group having 2 or 3 carbon atoms, R2, R3, R4, R5, and R6are each independently a monovalent hydrocarbon group having 1 to 3 carbon atoms, "a" is a positive number satisfying 0
(FR) La présente invention concerne un produit cosmétique caractérisé en ce qu'il contient au moins une silicone cyclique qui est représentée par la formule générale (1) et présente un point d'ébullition de 205 à 255 °C et une viscosité inférieure à 5 mm2/s (25 °C). Ainsi, l'invention concerne un produit cosmétique offrant une sensation de légèreté lors de l'application, une bonne aptitude à l'étalement et d'excellentes propriétés hydrofuges, pouvant former un film cosmétique uniforme, présenter une volatilité souhaitée et une sensation souhaitée pendant l'utilisation, et présenter une excellente stabilité à long terme et une excellente durabilité de maquillage même lorsqu'un agent huileux tel qu'une silicone, une huile hydrocarbonée et un ester, un absorbeur de rayons ultraviolets organique ou un composant huileux solide à 25 °C, ayant été utilisé dans des produits cosmétiques, est ajouté au produit cosmétique. (Dans la formule, R1 représente un groupe hydrocarboné monovalent comprenant 2 ou 3 atomes de carbone; R2, R3, R4, R5 et R6 représentent indépendamment un groupe hydrocarboné monovalent comprenant 1 à 3 atomes de carbone; et a représente un nombre entier positif satisfaisant la formule suivante : 0 < a < 4, et b et c représentent indépendamment un nombre entier de 0 à 3, à condition que (a + b +c) ≤ 4.)