Method for labelling products with an optical security feature with a temporal dimension

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12164982
APP PUB NO 20230409844A1
SERIAL NO

18037873

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Abstract

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The present invention is based on a method for marking products using two or more ink formulations, each containing one or more photoluminescent dyes emitting radiation in the range of 380-3000 nm under photon excitation and distinguished by different fluorescence lifetimes, for storing information in serialization and/or track & trace systems and for document security.

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Patent Owner(s)

Patent OwnerAddress
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E VHANSASTRASSSE 27C MÜNCHEN 80686

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jochum, Tobias Hamburg, DE 4 1
Niehaus, Jan Hamburg, DE 5 4

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