Company News, Patents

Light-Stable Formula

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By: TOM BRANNA

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Patent No. US 6,436,374 B1: Merck Patent GmbH, Haftung, Germany, patented a process to improve the photostability of butylmethoxydibenzoylmethane in a cosmetic using insoluble inorganic titanium dioxide particles doped with cerium or iron ions.

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