EP 3802140 A1 20210414 - VALUE DOCUMENT, METHOD FOR MANUFACTURING SAME AND PRINTING DEVICE
Title (en)
VALUE DOCUMENT, METHOD FOR MANUFACTURING SAME AND PRINTING DEVICE
Title (de)
WERTDOKUMENT, VERFAHREN ZUM HERSTELLEN DESSELBEN UND DRUCKVORRICHTUNG
Title (fr)
DOCUMENT DE VALEUR, PROCÉDÉ DE FABRICATION DE CELUI-CI ET DISPOSITIF D'IMPRESSION
Publication
Application
Priority
- DE 102018004432 A 20180605
- EP 2019000169 W 20190528
Abstract (en)
[origin: WO2019233622A1] The invention relates to a security element having an optical appearance that can be changed by an external magnetic field, wherein the security element has a fixed matrix and a plurality of microscopic chambers surrounded by the fixed matrix and the microscopic chambers are filled with a liquid medium and magnetic pigments which can be oriented by an external magnetic field.
IPC 8 full level
B42D 25/369 (2014.01); B42D 25/36 (2014.01); B42D 25/378 (2014.01)
CPC (source: EP)
B42D 25/36 (2014.10); B42D 25/369 (2014.10); B42D 25/378 (2014.10)
Citation (search report)
See references of WO 2019233622A1
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 102018004432 A1 20191205; EP 3802140 A1 20210414; WO 2019233622 A1 20191212
DOCDB simple family (application)
DE 102018004432 A 20180605; EP 19729438 A 20190528; EP 2019000169 W 20190528