Method for producing pigment fragments with a predefined internal and/or external contour using a crack-forming layer, and pigment fragments

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United States of America Patent

PATENT NO 11802212
APP PUB NO 20200291238A1
SERIAL NO

16649188

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Abstract

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A method for producing pigments comprises the steps of creating a first layer on a substrate, structuring the first layer and detaching the pigments from the substrate. In the present case, the first layer is a crack-forming layer, so that the first layer is structured by the arising of cracks. Prior to detaching the pigments, a pigment layer is applied onto the first layer structured by the cracks.

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Patent Owner(s)

Patent OwnerAddress
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBHPRINZREGENTENSTRASSE 161 MUNICH 81677

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dehmel, Raphael Neubeuern, DE 12 6
Hunger, Christoph Hausham, DE 5 4
Scherer, Kai Herrmann Grainau, DE 9 3
Scherer, Maik Rudolf Johann Grainau, DE 15 6

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