Assemblies and processes for producing optical effect layers comprising oriented non-spherical oblate magnetic or magnetizable pigment particles

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United States of America Patent

PATENT NO 11660902
APP PUB NO 20200215844A1
SERIAL NO

16641975

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Abstract

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The present invention relates to the field of optical effect layers (OEL) including magnetically oriented non-spherical oblate magnetic or magnetizable pigment particles on a substrate, spinneable magnetic assemblies and processes for producing optical effect layers (OEL). In particular, the present invention relates to spinneable magnetic assemblies and processes for producing OELs as anti-counterfeit means on security documents or security articles or for decorative purposes.

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Patent Owner(s)

  • SICPA HOLDING SA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amerasinghe, Cédric Les Cullayes, CH 6 116
Despland, Claude-Alain Prilly, CH 64 649
Loginov, Evgeny Renens, CH 37 311
Mueller, Edgar Lausanne, CH 55 504
Schmid, Mathieu Lausanne, CH 48 492

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