EP 0632162 B1 19991208 - Sheet which is non-forgeable by chemical agents, and non-forgeable document made therefrom
Title (en)
Sheet which is non-forgeable by chemical agents, and non-forgeable document made therefrom
Title (de)
Gegen Einwirkung chemischer Verbindungen fälschungssicheres Blatt und daraus hergestelltes fälschungssicheres Dokument
Title (fr)
Feuille infalsifiable par agents chimiques et document infalsifiable obtenu
Publication
Application
Priority
FR 9307885 A 19930629
Abstract (en)
[origin: EP0632162A1] The sheet contains at least as forgery-proofing agent a metal salt in combination with a coreactant chosen from the group consisting of organic acids or their salts, organic acid derivatives, compounds which have an aldehyde reducing functional group, compounds containing a ketone reducing functional group and carbon dioxide precursors. Application to paper for cheques.
IPC 1-7
IPC 8 full level
D21H 21/46 (2006.01)
CPC (source: EP)
D21H 21/46 (2013.01)
Citation (examination)
EP 0378029 A2 19900718 - AUSSEDAT REY [FR]
Designated contracting state (EPC)
BE DE DK ES GB IT NL
DOCDB simple family (publication)
EP 0632162 A1 19950104; EP 0632162 B1 19991208; DE 69421965 D1 20000113; DE 69421965 T2 20000629; ES 2142386 T3 20000416
DOCDB simple family (application)
EP 94400090 A 19940114; DE 69421965 T 19940114; ES 94400090 T 19940114