EP 4045330 A1 20220824 - OPTICAL SECURITY FEATURE SUITABLE FOR TRACK-AND-TRACE AND/OR SERIALISATION SYSTEMS
Title (en)
OPTICAL SECURITY FEATURE SUITABLE FOR TRACK-AND-TRACE AND/OR SERIALISATION SYSTEMS
Title (de)
OPTISCHES SICHERHEITSMERKMAL GEEIGNET FÜR TRACK & TRACE- UND/ODER SERIALISIERUNGSSYSTEME
Title (fr)
CARACTÉRISTIQUE DE SÉCURITÉ OPTIQUE APPROPRIÉE POUR SYSTÈMES DE SUIVI ET/OU DE SÉRIALISATION
Publication
Application
Priority
- DE 102019216003 A 20191017
- EP 2020076720 W 20200924
Abstract (en)
[origin: WO2021073848A1] The present invention relates to a method for identifying products with the aid of an ink formulation which contains semiconductive inorganic nanocrystals which emit radiation in the range of 750-1800 nm when excited by photons, in serialisation and/or track-and-trace systems.
IPC 8 full level
B42D 25/382 (2014.01)
CPC (source: EP US)
B42D 25/382 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102019216003 A1 20210422; DE 102019216003 B4 20220407; EP 4045330 A1 20220824; JP 2022552960 A 20221221; JP 7387889 B2 20231128; US 2024051327 A1 20240215; WO 2021073848 A1 20210422
DOCDB simple family (application)
DE 102019216003 A 20191017; EP 2020076720 W 20200924; EP 20780186 A 20200924; JP 2022522251 A 20200924; US 202017766333 A 20200924