Flexible silver halide packaging material
AssigneeEastman Kodak Company
InventorsRobert P. Bourdelais, Peter T. Aylward, Alphonse D. Camp, Thaddeus S. Gula
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Abstract
The invention relates to an element consisting essentially of a transparent polymer sheet, at least one emulsion adhering layer, and at least one light sensitive silver halide grain containing emulsion layer adhered to said emulsion adhering layer, wherein said polymer sheet is less than 40 μm in thickness.
Claims56
An element consisting essentially of a transparent polymer sheet, at least one emulsion adhering layer, and at least one light sensitive silver halide grain containing emulsion layer adhered to said emulsion adhering layer, wherein said transparent polymer sheet comprises polypropylene or polyester and said emulsion adhering layer comprises polyethylene, the thickness of said polymer sheet is between 10 and 20 μm, said emulsion adhering layer further comprises colorant materials, and said element is not provided with a protective layer over said at least one emulsion layer, wherein said colorant materials comprise blue pigment used in an amount sufficient to counteract the yellowing of gelatin.
A package comprising a covering material comprising a transparent polymer sheet, at least one emulsion adhering layer adhered to said transparent polymer sheet, and an image layer formed by dye forming coupler in an image layer adhered to said emulsion adhering layer, wherein said polymer sheet is less than 40 μm in thickness, an adhesive layer in contacts with said image layer, and a base sheet is adhered to said adhesive layer wherein said base material comprises at least one metallic reflective layer, said transparent polymer sheet is at least a portion of the outer surface of said package and wherein said base sheet material is further provided with a second adhesive layer on the side opposite to said at least one silver halide layer.
A method of forming a package comprising providing an element consisting essentially of a transparent polymer sheet, at least one emulsion adhering layer adhered to said polymer sheet, and at least one light sensitive silver halide grain containing emulsion layer adhered to said emulsion adhering layer, wherein said polymer sheet is less than 40 μm in thickness, imaging said at least one light sensitive silver halide grain containing emulsion layer, developing an image in said layer, adhesively applying a base sheet material to the developed image to form a packaging material, wherein said base sheet material is further provided with a second adhesive layer on the side opposite to said at least one silver halide layer and forming said material into packages.
Dependencies are inferred from the claim text.