Pearlescent pigments on the basis of fine and thin synthetic substrates

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United States of America Patent

PATENT NO 10125261
APP PUB NO 20120219607A1
SERIAL NO

13501497

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Abstract

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The invention relates to pearlescent pigments comprising a largely transparent platelet-shaped synthetic substrate having a density ρS and at least one optically active coating having a density ρM, the substrate having an average size d50 from a range from 2.0 μm to 8.0 μm and an average height hS from a range from 40 nm to 110 nm and the total lead content of the pearlescent pigments is ≤10 ppm. The invention further relates to a method for producing the pearlescent pigments, and also to the use thereof.

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Patent Owner(s)

  • ECKART GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gruner, Michael Auerbach, DE 6 75
Kaupp, Gunter Neuhaus, DE 13 193
Mendler, Barbara Meersburg, DE 3 20
Schmidt, Ulrich Hersbruck, DE 54 788
Schumacher, Dirk Pegnitz, DE 21 329

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