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1. WO2013057113 - COSMETIC OIL- IN- WATER EMULSION COMPRISING A GEMINI SURFACTANT, A HYDROPHOBIC SILICA AND A SILICONE ELASTOMER

Publication Number WO/2013/057113
Publication Date 25.04.2013
International Application No. PCT/EP2012/070508
International Filing Date 16.10.2012
IPC
A61K 8/58 2006.1
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
58containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
A61K 8/86 2006.1
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
86Polyethers
A61K 8/891 2006.1
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 8/895 2006.1
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
895containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
A61Q 19/00 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
19Preparations for care of the skin
A61K 8/06 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
02characterised by special physical form
04Dispersions; Emulsions
06Emulsions
CPC
A61K 2800/594
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
2800Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
40Chemical, physico-chemical or functional or structural properties of particular ingredients
59Mixtures
594Mixtures of polymers
A61K 8/062
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
02characterised by special physical form
04Dispersions; Emulsions
06Emulsions
062Oil-in-water emulsions
A61K 8/25
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8Cosmetics or similar toilet preparations
18characterised by the composition
19containing inorganic ingredients
25Silicon; Compounds thereof
A61K 8/86
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
86Polyethers
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
Applicants
  • L'OREAL [FR]/[FR] (AllExceptUS)
  • PELE, Claire [FR]/[FR] (US)
  • SECLET, Christèle [FR]/[FR] (US)
Inventors
  • PELE, Claire
  • SECLET, Christèle
Agents
  • PREVEL, Estelle
Priority Data
115955121.10.2011FR
61/551,55126.10.2011US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) COSMETIC OIL- IN- WATER EMULSION COMPRISING A GEMINI SURFACTANT, A HYDROPHOBIC SILICA AND A SILICONE ELASTOMER
(FR) COMPOSITION COSMÉTIQUE COMPRENANT DES PARTICULES DE SILICE SOUS FORME D'AÉROGEL ET DES HUILES DE SILICONE
Abstract
(EN) A subject-matter of the present invention is a cosmetic composition in the form of an oil-in-water emulsion comprising: (1) at least one organopolysiloxane elastomer; (2) at least one hydrophobic silica; and (3) at least one gemini surfactant of formula (I): in which R1 and R3 denote, independently of one another, an alkyl radical having from 1 to 25 carbon atoms; R2 denotes a spacer consisting of a linear or branched alkylene chain having from 1 to 12 carbon atoms; X and Y denote, independently of one another, a -(C2H4O)a-(C3H6O)bZ group; and n ranges from 1 to 10. The composition in accordance with the invention makes it possible to obtain mattifying properties and/or to mask skin imperfections while having good cosmetic properties, such as softness and freshness on application, a non-greasy finish, an ease of penetration and good moisturisation of the skin.
(FR) La présente invention a pour objet une composition cosmétique sous la forme d'une émulsion d'huile dans l'eau, comprenant : (1) au moins un élastomère de polyorganosiloxane ; (2) au moins une silice hydrophobe ; et (3) au moins un tensioactif gémini de formule (I) : dans laquelle R1 et R3 désignent, chacun indépendamment de l'autre, un radical alkyle ayant de 1 à 25 atomes de carbone ; R2 désigne un groupe d'espacement constitué d'une chaîne alkylène linéaire ou ramifiée ayant de 1 à 12 atomes de carbone ; X et Y désignent, chacun indépendamment de l'autre, un groupe -(C2H4O)a-(C3H6O)bZ ; et n va de 1 à 10. La composition selon l'invention permet d'obtenir des propriétés matifiantes et/ou de masquer des imperfections de la peau tout en ayant de bonnes propriétés cosmétiques, telles qu'une douceur et une fraîcheur à l'application, une finition non grasse, une facilité de pénétration et une bonne hydratation de la peau.
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