Organo-Mineral Sunscreen Composition Adapted for Being Applied by a Propulsion Pump
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United States of America Patent
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Issued Date -
Dec 27, 2007
app pub date -
Jan 10, 2005
filing date -
Jan 9, 2004
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Abandoned
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Abstract
The invention concerns a cosmetic or dermatological composition for protecting against ultraviolet rays based on a mixture consisting of a mineral screening agent and an organic screening agent having the generic chemical name (INN): methylene bis-benzotriazolyl tetramethylbutylphenol. The invention is characterized in that it exists in the form of a water-in-oil emulsion and that it contains at least one emulsifier selected from the group consisting of siliconized derivatives having a glucosidic constituent containing a number of glucose units between 2 and 10, the particulate inorganic screening agent being dispersed in the water-in-oil emulsion in a homogeneous manner, its average particle size range from 1 to 100 nanometers, and the particulate inorganic screening agent being present in an amount ranging from 4 to 40% by weight.
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