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US 12,611,367 B2Granted
Anti-pollution composite powder having UV- and fine dust-blocking function and cosmetic composition comprising same
AssigneeCqv Co., Ltd.
InventorsYong-Ho Son, Ki-Jung Kim, Kwang-Choong Kang, Byung-Ki Choi, Kwang-Soo Lim, Kil-Wan Chang
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Abstract
A composite powder according to an embodiment of the present disclosure has excellent UV blocking effect. The composite powder includes an ultraviolet ray-blocking coating layer containing ZnO on the surface of the plate-shaped substrate containing TiO2, thereby enabling the blocking of ultraviolet rays in the UVA and UVB regions, and is also expected to block fine dust through treatment with a silane compound or a silica compound.
Claims6
A composite powder comprising:
- a sheet-like substrate containing TiO2;
- a UV-blocking coating layer formed on the surface of the sheet-like substrate and containing ZnO;
- and
- a silane compound or a silica compound on an outer surface of the composite powder,
- wherein the sheet-like substrate include a hollow cavity.
2 more elements
Dependencies are inferred from the claim text.