Interference pigments

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United States of America Patent

PATENT NO 10822497
APP PUB NO 20160222213A1
SERIAL NO

15086750

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Abstract

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The present invention relates to interference pigments based on transparent, low-refractive-index, flake-form substrates which have a high-refractive-index coating consisting of TiO2 having a layer thickness of 20-200 nm and optionally an outer protective layer, and to the use thereof in paints, coatings, printing inks, security printing inks, plastics, button pastes, ceramic materials, glasses, for seed coloring, as dopants in the laser marking of plastics and papers, as additive for the laser welding of plastics, as additive for coloring in the foods and pharmaceuticals sectors, and in cosmetic formulations and for the preparation of pigment compositions and dry preparations.

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Patent Owner(s)

Patent OwnerAddress
MERCK PATENT GMBHGERMANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Delp, Tanja Darmstadt, DE 6 64
Schmidt, Christoph Kriftel, DE 106 1207
Schoen, Sabine Herten, DE 119 1242

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