Method of producing a tamper-proof laminate and product obtained

Details Method of producing a tamper-proof laminate and product obtained Method of producing a tamper-proof laminate and product obtained

1991-03-15

1993-05-25

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

40626, 40630, 156310, 1563311, 428916, 430 12, 430 14, 430 18, 524607, 524608, 524612, C09J 502

Patent

active

052136485

ABSTRACT:
In a laminated product wherein at least one supported information-containing hydrophilic colloid layer is adhesively bonded on at least one of its surfaces to a protective hydrophobic resin sheet, improved adherence is achieved by using as the bonding adhesive a cationic crosslinked polymer obtained by:

REFERENCES:
patent: 3520758 (1970-07-01), Wiest
patent: 4054542 (1977-10-01), Buckman et al.
patent: 4563376 (1986-01-01), Hammer et al.

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