Security cards

Details Security cards Security cards

1989-06-19

1993-05-04

Sluby, P. C.

Stock material or miscellaneous articles

Composite

Of epoxy ether

4284766, 4284784, 4284788, 428480, 428915, 428916, 428412, 4284237, 4284244, 428516, 428205, 428913, 156330, 430 10, B32B 2738, D21H 510

Patent

active

052081109

ABSTRACT:
A security card comprises a data-carrying sheet having a gelatin layer thereon and a transparent polymeric film having a gelatin layer thereon, said sheet and said film being bonded together by an adhesive composition polymerized between and in contact with the gelatin layers, the adhesive composition comprising a carboxylic acid having at least one polymerizable acrylic group.

REFERENCES:
patent: 3125455 (1964-03-01), Perkins
patent: 3623944 (1971-11-01), Davis
patent: 4389472 (1983-06-01), Neuhaus et al.
patent: 4455359 (1984-06-01), Patzold et al.
patent: 4788102 (1988-11-01), Koning et al.
Patent Abstracts of Japan vol. 11 No. 32.

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