Patent · US Active

Interference pigments

US8500901B2 · kind B2 · utility

17Cited by

10References

11Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Reinhold Rueger · Wittenberg, DE
Klaus Ambrosius · Frankfurt, DE
Marcus Mathias · Gernsheim, DE
Helge Kniess · Roßdorf, DE

Key dates

Filing date	Mar 22, 2010
Grant date	Aug 6, 2013
Priority date	—
Expiry date	Mar 22, 2030

Classification

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

Abstract

The present invention relates to interference pigments based on coated flake-form substrates which are distinguished by the fact in that they comprise

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