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US 6,146,617 AGranted
Dispersion of inorganic UV filters
AssigneeMerck Patent Gesellschaft mit
InventorsThekla Kurz, Dorothee Wille, Sabine Hitzel
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Abstract
The present invention relates to a dispersion of inorganic UV filters in liquid UV filters and their use in sunscreens.
Claims21
A composition comprising a dispersion of an inorganic UV filter, which is a micronized metal oxide, in a liquid UV filter and, as a dispersion auxiliary, bentone, aerosil and/or ethylcellulose.
Dependencies are inferred from the claim text.