Method for authenticating a security document comprising a...

Details Method for authenticating a security document comprising a... Method for authenticating a security document comprising a...

B - Operations, Transporting

42

D

B42D 15/10 (2006.01)

Patent

CA 2741321

The invention relates to a security document (1) comprising: - at least one thermochromatic element (2) which can change in appearance at at least one predefined temperature, - at least one piece of information (3) on the document, associated with said at least one thermochromatic element (2), indicating the temperature at which the appearance of said thermochromatic element changes.

Document de sécurité (1) comportant : - au moins un élément thermochromique (2) pouvant changer d'aspect à au moins une température prédéfinie, - au moins une information (3) sur le document, associée audit au moins un élément thermochromique (2), renseignant sur la température de changement d'aspect dudit élément thermochromique.

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