C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 11/00 (2006.01) B41M 3/14 (2006.01)
Patent
CA 2417470
The invention concerns a secure optically readable adhesive or coating liquid product, characterised in that it comprises a minimal proportion of fluorescent molecules, invisible in daylight after its application on the support, but optically readable by epifluorescence in an excitation wavelength range included in the visible.
L'invention concerne un produit liquide adhérent ou d'enduction sécurisée révélable optiquement, caractérisé en ce qu'il comprend un proportion minimale de molécules fluorescentes, invisibles à la lumière du jour après application sur le support, mais détectable optiquement par épifluorescence dans un plage de longueur d'onde d'excitation comprise dans le visible.
Cypher Science
Goudreau Gage Dubuc
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