Patent · US Active

Mixture of copper-containing metal effect pigments and method for the production thereof

US8157909B2 · kind B2 · utility

2Cited by

6References

21Claims

0Family size

Assignee

ECKART GmbH · DE

Inventors

Katrin Wczasek · Koblenzer Straße, DE
Michael Becker · Lautenbächle, DE
Svea Heitmar · Auerbach in der Oberpfalz, DE
Dieter Proelss · Schwabach, DE

Key dates

Filing date	May 28, 2009
Grant date	Apr 17, 2012
Priority date	—
Expiry date	May 28, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31678
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A mixture of platelet-shaped, copper-containing metallic effect pigments having a copper content of 60% to 100% by weight, based on the total metal content, with at least one further component, where the copper-containing metallic effect pigments have a thickness distribution, determined via thickness counting by scanning electron microscopy (SEM) and represented as cumulative undersize distribution,

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