Patent · US Active

Pearlescent pigments

US8114211B2 · kind B2 · utility

15Cited by

4References

20Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Carsten Handrosch · Heilbad Heiligenstadt, DE
Marcus Mathias · Gernsheim, DE
Nicole Schupp · Groß-Bieberau, DE
Meike Willius · Gernsheim, DE

Key dates

Filing date	Dec 12, 2007
Grant date	Feb 14, 2012
Priority date	—
Expiry date	Apr 19, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2996
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to pearlescent pigments based on flake-form substrates which have at least one FeOOH layer and at least one TiO2 layer or at least one TiO2/SiO2/TiO2 layer package, and to the use thereof, inter alia, in paints, coatings, printing inks, powder coatings, plastics and in particular in care and decorative cosmetics.

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