EP 0211754 B1 19910515 - SECURITY MARKING PROCESS AND MATERIAL PROVIDED WITH SECURITY MARKINGS
Title (en)
SECURITY MARKING PROCESS AND MATERIAL PROVIDED WITH SECURITY MARKINGS
Publication
Application
Priority
FR 8512172 A 19850808
Abstract (en)
[origin: US4736425A] The invention relates to fiduciary documents and liquids requiring an authentication and a method of marking. The authentication is effected by producing a synthesis reaction of a fluorescent chelate in or on the materials to be authenticated.
IPC 1-7
IPC 8 full level
B41M 3/06 (2006.01); B41M 3/14 (2006.01); B42D 15/00 (2006.01); B44F 1/12 (2006.01); D21H 21/44 (2006.01); D21H 21/46 (2006.01); D21H 25/02 (2006.01); G07D 7/00 (2006.01)
CPC (source: EP US)
B41M 3/06 (2013.01 - EP US); B41M 3/142 (2013.01 - EP US); B41M 3/144 (2013.01 - EP US); B42D 25/29 (2014.10 - EP US); D21H 21/46 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0211754 A2 19870225; EP 0211754 A3 19880113; EP 0211754 B1 19910515; AT E63500 T1 19910615; DE 3679252 D1 19910620; FR 2585987 A1 19870213; FR 2585987 B1 19890203; US 4736425 A 19880405
DOCDB simple family (application)
EP 86401696 A 19860729; AT 86401696 T 19860729; DE 3679252 T 19860729; FR 8512172 A 19850808; US 89284086 A 19860804