Patent · US Active

Particulate UV protection agent

US8753684B2 · kind B2 · utility

5Cited by

3References

15Claims

0Family size

Assignees

Merck Patent GmbH · DE
Sachleben Chemie GmbH · DE

Inventors

Frank Pfluecker · Darmstadt, DE
Bernd Hirthe · Tönisvorst, DE

Key dates

Filing date	Jun 15, 2012
Grant date	Jun 17, 2014
Priority date	—
Expiry date	Jul 11, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2993
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to particulate UV protection agents which are obtainable by hydrothermal treatment of a particulate metal oxide and subsequent application of a manganese oxide 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 hair against UV radiation and free-radical-induced stress, and to the use thereof in the above-mentioned cosmetic application.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.