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:
Jun. 24, 2014
Filed:
Apr. 30, 2009
Frank Pfluecker, Darmstadt, DE;
Bernd Hirthe, Toenisvorst, DE;
Heike Saenger, Moers, DE;
Stephan John, Duisburg, DE;
Frank Pfluecker, Darmstadt, DE;
Bernd Hirthe, Toenisvorst, DE;
Heike Saenger, Moers, DE;
Stephan John, Duisburg, DE;
Merck Patent GmbH, Darmstadt, DE;
Sachtleben Chemie GmbH, Duisburg, DE;
Abstract
The present invention relates to nanoparticulate UV protectants which are obtainable by hydrothermal treatment of a nanoparticulate metal oxide and subsequent application of a silicon dioxide coating, and to the preparation and use thereof. The present invention furthermore relates to novel compositions, in particular for topical application, which are intended, in particular, for light protection of the skin and/or of the hair against UV radiation, and to the use thereof in the above-mentioned cosmetic application.