Emulsion containing a dispersion of bismuth oxychloride

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United States of America Patent

PATENT NO 9452114
SERIAL NO

13384817

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Abstract

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The invention relates to a cosmetic composition in particular in the form of an emulsion for topical application to keratin materials, in particular the skin, comprising, in a physiologically acceptable medium:

    (i) at least one dispersion (pre-dispersion) of bismuth oxychloride (CI 77163) in an oily dispersant chosen from a) monoesters of formula R1COOR2 in which R1 represents a linear or branched hydrocarbon-based chain comprising from 4 to 40 carbon atoms, preferably from 4 to 30 carbon atoms, and preferentially from 7 to 20 carbon atoms, and R2 represents a branched hydrocarbon-based chain containing from 3 to 40 carbon atoms, preferably from 10 to 30 carbon atoms, and preferentially from 16 to 26 carbon atoms; b) oils whose solubility parameter at 25° C., δa, is greater than 6 (J/cm3)1/2, and mixtures thereof, and(ii) at least one oil chosen from hydrocarbon-based oils having a refractive index greater than 1.42 and a solubility parameter at 25° C., δa, greater than 1 (J/cm3)1/2, silicone oils, in particular phenyl silicone oils, and mixtures thereof.

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Patent Owner(s)

  • L'OREAL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blin, Xavier Paris, FR 88 1257
Delattre, Nathalie Sonchamp, FR 2 8
Guerchet, Laurence Le Bouscat, FR 9 55
Ozee, Emmanuelle Thiais, FR 4 31

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