Retroreflective security laminates with dual level verification

Details Retroreflective security laminates with dual level verification Retroreflective security laminates with dual level verification

1991-05-08

1992-12-08

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428323, 428402, 42840224, 428403, 428457, 428913, B32B 900

Patent

active

051697076

ABSTRACT:
A retroreflective security laminate, designed to be applied to the surface of a document over information thereon, providing dual levels of verification. The laminates have primary legends which are viewable under both ordinary diffuse lighting conditions and retroreflective viewing conditions and may also have retro-legends which are viewable only under retroreflective viewing conditions.

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