SUNSCREEN MULTILAYER PARTICLE

The present invention relates to a multilayer UV filter particle, comprising: an odd number of alternating layers of high and low refractive index materials, wherein each layer has a refractive index that differs from that of adjacent layers by at least 0.2, the total number of layers is at least 9,...

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Bibliographic Details
Main Authors SASAI, Jun, SHIROYA, Toshifumi
Format Patent
LanguageEnglish
French
German
Published 16.03.2022
Subjects
ADHESIVES
CHEMISTRY
DYES
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:The present invention relates to a multilayer UV filter particle, comprising: an odd number of alternating layers of high and low refractive index materials, wherein each layer has a refractive index that differs from that of adjacent layers by at least 0.2, the total number of layers is at least 9, and the particle does not contain a substrate. The particle according to the present invention can have a good UV filtering effect.
Bibliography:Application Number: EP20200771929