Patent · US Active

Process for the preparation of nanoparticulate zinc oxide

US8865115B2 · kind B2 · utility

6Cited by

0References

10Claims

0Family size

Assignee

BASF SE Ludwigshafen · DE

Inventors

Bernd Bechtloff · Ludwigshafen, DE
Lars Vicum · Basel, CH
Hartwig Voβ · Bischofswerda, DE
Robert Wengeler · Karlsruhe, DE
Andrey Karpov · Metuchen, US
Jing Dreher · Stuttgart, DE
Valerie Andre · Ludwigshafen, DE

Key dates

Filing date	Jul 30, 2009
Grant date	Oct 21, 2014
Priority date	—
Expiry date	Jul 28, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S977/811
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

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