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Cosmetic Composition



Published November 14, 2005
Related Searches: research composition polymer patent
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Patent No. US 6,500,415 B2: Showa Denko K.K., Tokyo, Japan, researchers patented a cosmetic composition comprising titanium oxide coated with a dense silica film or zinc oxide coated with a dense silica film, and a thickening polymer having a carboxyl group in the side chain.



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