Effect pigment, production method, value document and printing ink

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12129382
APP PUB NO 20220403177A1
SERIAL NO

17779270

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Abstract

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A platelet-shaped magnetic effect pigment is provided for use in a printing ink, and includes a layer construction with a magnetic layer and at least one optical functional layer, such that the magnetic layer is based on a magnetic material having a column-shaped nanostructure and the magnetic columns respectively have a largely uniform preferential magnetic direction deviating from the platelet plane.

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Patent Owner(s)

Patent OwnerAddress
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBHMUNICH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dehmel, Raphael Neubeuern, DE 12 6
Heim, Manfred Bad Tolz, DE 60 1708
Hoffmuller, Winfried Bad Tolz, DE 29 884
Rahm, Michael Bad Tolz, DE 38 798

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