Improvements in and relating to printing

Details Improvements in and relating to printing Improvements in and relating to printing

B - Operations, Transporting

42

D

B42D 15/00 (2006.01) B41M 3/14 (2006.01) G07D 7/12 (2006.01)

Patent

CA 2642198

An image article comprises a substrate having a security image coated on at least a portion thereof, which security image effects less than 50% reflectance of radiation of a wavelength between 800 and 900 nm, wherein the security image comprises a defined infrared-absorbing compound, for example Pigment Green 8, wherein said infrared-absorbing compound does not create a strongly coloured security image .

Un objet image selon l'invention comprend un substrat comportant une image de sécurité recouvrant au moins une partie du substrat, ladite image de sécurité ne présentant qu'un facteur de 50% de réflexion du rayonnement de longueur d'onde comprise entre 800 et 900 nm, l'image de sécurité comprenant un composé défini absorbant les infrarouges, par exemple le pigment vert 8, ledit composant absorbant les infrarouges ne créant pas une image de sécurité fortement colorée.

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