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

1982-07-26

1984-06-26

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Imaged product

Antifraud or antitampering

40626, 40630, 156230, 156241, 283 77, 283108, 283112, 283904, 427 7, 428200, 428206, 428916, G03C 300

Patent

active

044566670

ABSTRACT:
The tamperproof document consists of a photographic material as information carrier which is laminated on one or both sides with a transparent foil. The foil is attached to the surface of the information carrier by a layer of adhesive containing poly-1,2-alkyleneimine. The document is eminently saft against falsification.

REFERENCES:
patent: 3614839 (1971-10-01), Thomas
patent: 3871119 (1975-03-01), Mayer
patent: 3909469 (1975-09-01), Miller
patent: 4152476 (1979-05-01), Stillman
patent: 4322461 (1982-03-01), Raphael et al.

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