PROCESS FOR THE PREPARATION OF NANOPARTICULATE ZINC OXIDE

The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen prepar...

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Bibliographische Detailangaben
Hauptverfasser:	KARPOV, ANDREY, DREHER, JING, WENGELER, ROBERT, BECHTLOFF, BERND, VICUM, LARS, ANDRE, VALERIE, VOS, HARTWIG
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES HYGIENE INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NANOTECHNOLOGY NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES PREPARATION OF CARBON BLACK PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen preparations, as stabilizer in plastics, in paints, in coatings and as antimicrobial active ingredient. La présente invention porte sur un procédé de fabrication d'oxyde de zinc nanoparticulaire sous la forme de suspensions aqueuses ou sous la forme d'un solide pulvérulent. En outre, l'invention porte sur l'utilisation de particules d'oxyde de zinc et de suspensions fabriquées de cette manière pour des préparations écrans solaires cosmétiques, comme stabilisant dans des matières plastiques, dans des peintures, dans des revêtements et comme principe actif antimicrobien.