Anti-counterfeiting device

An anti-counterfeiting device for application to or association with consumer goods to give an indication of authenticity comprises: a substrate (10); a latent image (11) formed on the substrate that becomes visible upon exposure to oxygen; an oxygen-impermeable layer (12) covering the latent image,...

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Bibliographische Detailangaben
1. Verfasser:	LAURIE ALEXANDER SPEIRS
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADVERTISING COLOUR PRINTING CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION HANDLING THIN OR FILAMENTARY MATERIAL LABELS OR NAME-PLATES LINING MACHINES PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SEALS SIGNS STAMPS STORING TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	An anti-counterfeiting device for application to or association with consumer goods to give an indication of authenticity comprises: a substrate (10); a latent image (11) formed on the substrate that becomes visible upon exposure to oxygen; an oxygen-impermeable layer (12) covering the latent image, and means to break the oxygen-impermeable layer. The latent image is preferably formed by printing an oxygen-sensitive colouring material on to the substrate.