Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1995-09-15
1997-05-20
Watkins, William
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428149, 428325, 428187, 428 79, 428200, 428202, 428913, 359518, 359538, 359540, D06Q 112, B41M 312, G02B 5128, B32B 516
Patent
active
056310641
ABSTRACT:
The present invention relates to retroreflective transfer sheets and graphic images produced therefrom, i.e., appliques. The retroreflective applique includes: a layer of optical lens elements partially embedded in and protruding from the front surface of a binder resin layer and a transfer adhesive layer comprising a vinyl plastisol disposed on the rear surface of the binder resin layer. The binder resin layer is prepared from ingredients comprising an isocyanate-functional hardener and a resin selected from the group consisting of a polyester resin and a polyurethane resin.
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Griswold Gary L.
Hanson Karl G.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Watkins William
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