EP 1068079 A1 20010117 - CHEMICALLY AND RELIEF ENCODED SECURITY PAPERS
Title (en)
CHEMICALLY AND RELIEF ENCODED SECURITY PAPERS
Title (de)
CHEMISCHE UND OBERFLÄCHENRELIEF KODIERTE SICHERHEITSDOKUMENTE
Title (fr)
PAPIERS INFALSIFIABLES A CODAGE CHIMIQUE
Publication
Application
Priority
- US 9902054 W 19990129
- US 1755198 A 19980202
- US 1704198 A 19980202
Abstract (en)
[origin: WO9938709A1] A counterfeit-resistant document (10) comprises a validation mark (14) with a unique chemical signature that identifies the source of the document. The source of the document can be identified by detecting the unique chemical signature on the validation mark (14) of the document (10), thus verifying the authenticity of the document.
IPC 1-7
IPC 8 full level
B42D 15/00 (2006.01)
CPC (source: EP)
B42D 25/29 (2014.10); G07D 7/14 (2013.01)
Citation (search report)
See references of WO 9938709A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9938709 A1 19990805; CA 2319500 A1 19990805; EP 1068079 A1 20010117
DOCDB simple family (application)
US 9902054 W 19990129; CA 2319500 A 19990129; EP 99904483 A 19990129