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US Patent 7763237 Ultraviolet protective preparation and cosmetics containing the same

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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7763237
Patent Inventor Names
Koji Tsuchikawa1
Keiichi Oyama1
Date of Patent
July 27, 2010
Patent Application Number
10575260
Date Filed
October 6, 2004
Patent Primary Examiner
‌
Johann R. Richter
Patent abstract

An ultraviolet protective preparation comprising an ester prepared from glycerol and/or a condensate thereof, a straight-chain saturated fatty acid having 2 to 28 carbon atoms, and an aliphatic saturated dibasic acid having 12 to 28 carbon atoms, an oil liquid or pasty at ordinary temperatures which consists of an ester of a mono- to hexa-carboxylic acid having 2 to 36 carbon atoms with a mono- to hexa-hydric alcohol having 1 to 36 carbon atoms, and an ultraviolet protective powder in prescribed portions; and cosmetics containing the ultraviolet protective preparation. The invention provides an ultraviolet protective preparation which is improved in the dispersion stability of ultraviolet protective powder such as titanium dioxide or zinc oxide while keeping the handleability and the ability to give cosmetics excellent in organoleptic properties and storage stability; and cosmetics excellent in organoleptic properties and storage stability.

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