EP 3466711 A1 20190410 - TWO-SIDED TRANSPARENT WINDOW FEATURE WITH DICHROIC DYES
Title (en)
TWO-SIDED TRANSPARENT WINDOW FEATURE WITH DICHROIC DYES
Title (de)
ZWEISEITIGES TRANSPARENTES FENSTERMERKMAL MIT DICHROITISCHEN FARBSTOFFEN
Title (fr)
CARACTÉRISTIQUE DE FENÊTRE TRANSPARENTE À DEUX FACES COMPORTANT DES COLORANTS DICHROÏQUES
Publication
Application
Priority
EP 17194937 A 20171005
Abstract (en)
The present invention is directed towards a method for producing a foil security element for securing a document of value by means of a liquid crystalline mixture containing dichroic dyes and is furthermore directed towards the foil security element as such. Furthermore, a document of value is suggested comprising the foil security element along with an apparatus for provision of such a security element and a computer program product.
IPC 8 full level
B42D 25/324 (2014.01); B42D 25/364 (2014.01)
CPC (source: EP)
B42D 25/324 (2014.10); B42D 25/364 (2014.10)
Citation (applicant)
- EP 2508358 A1 20121010 - UNIV MADRID POLITECNICA [ES]
- EP 1894736 A2 20080305 - GIESECKE & DEVRIENT GMBH [DE]
- EP 1972462 A2 20080924 - GIESECKE & DEVRIENT GMBH [DE]
- WO 2011082761 A1 20110714 - GIESECKE & DEVRIENT GMBH [DE], et al
- WO 2013186167 A2 20131219 - BASF SE [DE], et al
- WO 2010069823 A1 20100624 - BASF SE [DE], et al
- WO 2005051675 A2 20050609 - PRINTETCH LTD [GB], et al
Citation (search report)
- [A] WO 2011017749 A1 20110217 - SECURENCY INT PTY LTD [AU], et al
- [A] WO 2008031170 A1 20080320 - SECURENCY PTY LTD [AU], et al
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)
EP 3466711 A1 20190410; EP 3466711 B1 20200603; AU 2018344427 A1 20200507; AU 2018344427 B2 20221013; ES 2814449 T3 20210329; WO 2019068655 A1 20190411
DOCDB simple family (application)
EP 17194937 A 20171005; AU 2018344427 A 20181001; EP 2018076681 W 20181001; ES 17194937 T 20171005