Tamperproof document and a process for producing the same

Details Tamperproof document and a process for producing the same Tamperproof document and a process for producing the same

G - Physics

03

C

283/20, 154/72.0

G03C 11/14 (2006.01) B32B 7/12 (2006.01) B42D 15/02 (2006.01) B42D 15/10 (2006.01) G03C 11/08 (2006.01)

Patent

CA 1191438

Tamperproof document and a process for producing the same ABSTRACT OF THE DISCLOSURE The tamperproof document consists of a photographic material as information carrier which is laminated on one or both sides with d transparent foil. The foil is attached to the surface of the information carrier by a layer of adhesive containing poly-1,2-alkylene- imine. The document is eminently safe against falsifi- cation.

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