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

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United States of America Patent

PATENT NO 12090776
APP PUB NO 20220402293A1
SERIAL NO

17772730

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Abstract

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

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Patent Owner(s)

Patent OwnerAddress
SICPA HOLDING SA1008 PRILLY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Despland, Claude-Alain Bussigny, CH 64 649
Loginov, Evgeny Renens, CH 37 311
Schmid, Mathieu Lausanne, CH 48 492

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