The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2014
Filed:
Jul. 30, 2009
Bernd Bechtloff, Ludwigshafen, DE;
Lars Vicum, Heidelberg, DE;
Hartwig Voβ, Frankenthal, DE;
Robert Wengeler, Karlsruhe, DE;
Andrey Karpov, Mannheim, DE;
Jing Dreher, Stuttgart, DE;
Valerie Andre, Ludwigshafen, DE;
Bernd Bechtloff, Ludwigshafen, DE;
Lars Vicum, Heidelberg, DE;
Hartwig Voβ, Frankenthal, DE;
Robert Wengeler, Karlsruhe, DE;
Andrey Karpov, Mannheim, DE;
Jing Dreher, Stuttgart, DE;
Valerie Andre, Ludwigshafen, DE;
BASF SE Ludwigshafen, , DE;
Abstract
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.