Patent · US Active

Plate-shaped effect pigment comprising a copper-containing coating, method for the production thereof, and use thereof

US9127165B2 · kind B2 · utility

1Cited by

11References

19Claims

0Family size

Assignee

ECKART GmbH · DE

Inventors

Michael Grüner · Zwingenberg, DE
Günter Kaupp · Jessenitz Siedlung, DE
Thomas Voit · Gif-sur-Yvette, FR
Dirk Schumacher · Pegnitz, DE
Andreas Gipp · Nuremberg, DE

Key dates

Filing date	Apr 30, 2013
Grant date	Sep 8, 2015
Priority date	—
Expiry date	Apr 30, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09C2220/106
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to an effect pigment comprising a plate-shaped non-metallic substrate and at least one copper-containing coating, wherein the average particle size D50 of the effect pigment is more than 5 μm and the copper content of the effect pigment is in a range from 3 to 70 wt.-%, relative to the total weight of the effect pigment. The invention furthermore relates to a method for producing the latter and use of the effect pigment in anti-fouling coatings.

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