EP 3529416 A1 20190828 - SECURITY SUBSTRATE
Title (en)
SECURITY SUBSTRATE
Title (de)
SICHERHEITSSUBSTRAT
Title (fr)
SUBSTRAT DE SÉCURITÉ
Publication
Application
Priority
- FR 1660177 A 20161020
- EP 2017076637 W 20171018
Abstract (en)
[origin: WO2018073320A1] The present invention relates to a security substrate comprising, dispersed in the mass thereof, an IR-absorbing particulate system, comprising: a mixture of at least one filler consisting of at least one metal oxide or metal oxide salt and of at least one filler consisting of at least one poor metal in ionic, molecular or atomic form, and/or - at least one filler consisting of at least one metal oxide or metal oxide salt and of at least one poor metal in ionic, molecular or atomic form, said particulate system giving said substrate a specific response in transmission in the IR, preferably with an absorption peak in the IR, in particular between 700 and 1000 nm, better still with several absorption peaks in the IR, in particular between 700 and 1000 nm.
IPC 8 full level
D21H 21/42 (2006.01); B42D 25/355 (2014.01); B42D 25/36 (2014.01); B42D 25/373 (2014.01); B42D 25/382 (2014.01); D21H 21/44 (2006.01); D21H 21/48 (2006.01)
CPC (source: EP)
B42D 25/29 (2014.10); B42D 25/355 (2014.10); B42D 25/373 (2014.10); B42D 25/382 (2014.10); D21H 21/42 (2013.01); D21H 21/44 (2013.01); D21H 21/48 (2013.01)
Citation (search report)
See references of WO 2018073320A1
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)
FR 3057881 A1 20180427; FR 3057881 B1 20200612; EP 3529416 A1 20190828; EP 3529416 B1 20210804; WO 2018073320 A1 20180426
DOCDB simple family (application)
FR 1660177 A 20161020; EP 17791021 A 20171018; EP 2017076637 W 20171018