Security film comprising an iridescent security mark

Details Security film comprising an iridescent security mark Security film comprising an iridescent security mark

B - Operations, Transporting

41

M

B41M 3/14 (2006.01) D21H 17/67 (2006.01) D21H 21/40 (2006.01) D21H 27/36 (2006.01) G07D 7/20 (2006.01)

Patent

CA 2703057

The invention relates to a security film (1) comprising a security mark (2) that can be observed on the surface of the film (1) and has at least one area (2a, 2b) having an iridescent effect. Said area is coloured under normal observation with the naked eye and has quasi-colourless iridescent pigments under normal observation and an iridescent effect which is visible only under oblique observation.

La présente invention concerne unefeuille de sécurité (1) comprenant une marque de sécurité (2) iridescente observable en surface de la feuille (1), cette dite marque (2) comprend au moins une zone (2a, 2b) présentant un effet iri-descent, ladite zone étant colorée en observation normale et à l'oeil nu et comprenant des pigments iridescents quasi-inco-lores en observation normale et présentantun effet iridescent visible seulement en observation à l'oblique.

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