Multilayer interference pigments

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United States of America Patent

PATENT NO 7169222
SERIAL NO

11177322

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Abstract

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Multilayer interference pigment consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by alternate coating of the transparent carrier material with a metal oxide of high refractive index and with a metal oxide of low refractive index in a wet process by hydrolysis of the corresponding water-soluble metal compounds, separation, drying and, if desired, calcination of the resulting pigment.

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Patent Owner(s)

Patent OwnerAddress
MERCK PATENT GMBHDARMSTADT DARMSTADT HESSIAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bruckner, Hans-Dieter Darmstadt, DE 14 237
Heyland, Andrea Reichelsheim, DE 18 368
Schank, Christina Ober-Rarmstadt, DE 7 280
Schmidt, Christoph Krifrel, DE 106 1207
Seibel, Claudia Otzberg, DE 4 107

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