CERIUM OXIDE COMPOSITE PARTICLES

The present invention addresses the problem of providing an ultraviolet ray blocking agent or a blue light blocking agent which is useful for cosmetics and the like. The ultraviolet ray blocking agent or the blue light blocking agent comprises cerium oxide composite particles which are produced by s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAWAGUCHI, TSUNETAKA, MIYAKE, ATSUSHI
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	ADHESIVES CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS DYES HUMAN NECESSITIES HYGIENE INORGANIC CHEMISTRY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	The present invention addresses the problem of providing an ultraviolet ray blocking agent or a blue light blocking agent which is useful for cosmetics and the like. The ultraviolet ray blocking agent or the blue light blocking agent comprises cerium oxide composite particles which are produced by supporting at least one metal selected from platinum-group metals and gold and a hydroxide or oxide of cerium on each of cerium oxide particles. La présente invention aborde le problème de proposer un agent de blocage du rayon ultraviolet ou un agent de blocage de lumière bleue qui est utile pour des produits cosmétiques et similaires. L'agent de blocage du rayon ultraviolet ou l'agent de blocage de lumière bleue comprend des particules composites d'oxyde de cérium qui sont produites par support d'au moins un métal choisi parmi les métaux du groupe du platine et l'or et d'un hydroxyde ou d'un oxyde de cérium sur chacune des particules d'oxyde de cérium.