EP 2346644 A1 20110727 - METHOD FOR AUTHENTICATING A SECURITY DOCUMENT COMPRISING A THERMOCHROMATIC ELEMENT AND DATA CONTAINING TEMPERATURE INFORMATION, AND ASSOCIATED SECURITY DOCUMENT
Title (en)
METHOD FOR AUTHENTICATING A SECURITY DOCUMENT COMPRISING A THERMOCHROMATIC ELEMENT AND DATA CONTAINING TEMPERATURE INFORMATION, AND ASSOCIATED SECURITY DOCUMENT
Title (de)
VERFAHREN ZUR AUTHENTIFIZIERUNG EINES EIN THERMOCHROMATISCHES ELEMENT UND TEMPERATURINFORMATIONEN ENTHALTENDE DATEN UMFASSENDEN SICHERHEITSDOKUMENTS UND ZUGEHÖRIGES SICHERHEITSDOKUMENT
Title (fr)
PROCEDE D'AUTHENTIFICATION D'UN DOCUMENT DE SECURITE COMPORTANT UN ELEMENT THERMOCHROMIQUE ET UNE INFORMATION RENSEIGNANT SUR UNE TEMPERATURE, ET DOCUMENT DE SECURITE ASSOCIE
Publication
Application
Priority
- IB 2009054682 W 20091022
- FR 0857163 A 20081022
Abstract (en)
[origin: WO2010046877A1] The invention relates to a security document (1) comprising: - at least one thermochromatic element (2) which can change in appearance at at least one predefined temperature, - at least one piece of information (3) on the document, associated with said at least one thermochromatic element (2), indicating the temperature at which the appearance of said thermochromatic element changes.
IPC 8 full level
B24D 15/10 (2006.01)
CPC (source: EP US)
B42D 25/29 (2014.10 - EP US); B42D 25/364 (2014.10 - US); G01K 11/12 (2013.01 - EP US); B42D 2033/26 (2022.01 - EP); B42D 2035/24 (2022.01 - EP); B42D 2035/34 (2022.01 - EP)
Citation (search report)
See references of WO 2010046877A1
Citation (examination)
EP 1226308 B1 20060621 - GIESECKE & DEVRIENT GMBH [DE]
Designated contracting state (EPC)
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 SE SI SK SM TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
FR 2937279 A1 20100423; BR PI0919940 A2 20160216; CA 2741321 A1 20100429; EP 2346644 A1 20110727; US 2011215561 A1 20110908; WO 2010046877 A1 20100429
DOCDB simple family (application)
FR 0857163 A 20081022; BR PI0919940 A 20091022; CA 2741321 A 20091022; EP 09744473 A 20091022; IB 2009054682 W 20091022; US 200913125731 A 20091022