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US Patent 7776348 Water-in-oil emulsion foundation

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Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7776348
Date of Patent
August 17, 2010
Patent Application Number
10603698
Date Filed
June 26, 2003
Patent Primary Examiner
‌
Shengjun Wang
Patent abstract

A foundation in the form of a water-in-oil emulsion comprising a fatty phase, an aqueous phase, at least one surfactant chosen from C8-C22 alkyl dimethicone copolyols, at least one other surfactant chosen from dimethicone copolyols, and hydrophobic coated pigments, where the fatty phase comprises at least 30% by weight, relative to the total weight of the emulsion, of a volatile fatty phase comprising:at least 6% by weight, relative to the total weight of the emulsion, of at least one volatile hydrocarbon oil, andat least one volatile oil chosen from silicone volatile oils and fluorinated volatile oils; wherein the foundation is stable after storing at room temperature (25° C.) for at least 2 months and makes it possible to obtain a homogeneous make-up on the skin.

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