Patents

Shiseido Patents Cosmetic with Titanium Dioxide Powder

Also contains disteardimonium hectorite and silicone surfactant.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,179,300 B2 (Mayo Shinke, Shoko Ogawa, Tomoko Ikeda); Shiseido Company Ltd., Tokyo, has been awarded a US patent for a cosmetic emulsion. It is comprised of titanium dioxide powder, disteardimonium hectorite and silicone surfactant. The titanium dioxide powder has an apparent average particle size that is in a range of 100 to 500 nm, an average crystallite size that is in a range of 15 to 30 nm and specific surface area that is in a range of 10 to 30 m2/g. The titanium dioxide po...

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