Patent · US Active

Effect pigments

US9238739B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Ulrich Schoenefeld · Bickenbach, DE
Joachim Duschek · Pfungstadt, DE
Alfred Hennemann · Brombachtal, DE

Key dates

Filing date	Jul 5, 2013
Grant date	Jan 19, 2016
Priority date	—
Expiry date	Jul 5, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09C2200/408
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to effect pigments based on coated, flake-form substrates, where an organic coating which contains fluoroalkyl groups and hydrophilic groups and is built up from at least one siloxane and/or at least one silane is applied to the substrate as outer layer.

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