Photographic products with strippable opaque layers

Claim 2

A PHOTOSENSITIVE ELEMENT WHICH COMPRISES A PHOTOSENSITIVE SILVER HALIDE LAYER COATED ON A PELLUCID PLASTOMERIC LAYER AND AN OPAQUE PLASTOMERIC SHEET MATERIAL HAVING AN OPTICAL DENSITY OF AT LEAST ABOUT 6.0 ADHERED TO SAID PLASTOMERIC LAYER ON THE SAID OPPOSITE SAID SILVER HALIDE LAYER, SAID SHEET MATERIAL COMPRISING A SUBSTANTIALLY WATER-INSOLUBLE FLUID SWELLABLE POLYMERIC MATERIAL ADAPTED TO LOSE ADHESIVE CAPABILITY UPON SWELLING THEREBY SEPARATING FROM SAID PELLUCID LAYER.

Claim 3

A photosensitive element of claim 1 which includes a pigment or chemical system which can (1) provide an effective anti-light piping capability for said photosensitive element and (2) which at least after processing of said photosensitive system after exposure thereof can provide a layer which can transmit substantially all of the light incident on the surface of said layer; and an opaque plastomeric sheet material having an optical density of at least about 6.0 strippably adhered to said plastomeric layer.

Claim 4

A photosensitive element of claim 1 wherein said photosensitive silver halide layer is coated on a plastomeric layer comprising an antihalation dye which can initially provide an effective anti-light piping capability for said photosensitive element but which can interreact with a processing fluid applied to said photosensitive element after exposure thereof to provide a layer which can transmit substantially all of the light incident on the surface of said layer.

Claim 5

A photosensitive element of claim 1 wherein said photosensitive silver halide is coated on a plastomeric layer comprising a pigment in an amount sufficient to provide an effective anti-light piping capability for said photosensitive element but insufficient to prevent transmission of substantially all of the light incident on said layer.

Claim 6

A photosensitive element of claim 1 wherein said opaque plastomeric sheet material comprises a polymeric material chosen from the group consisting of polyvinyl alcohol, polyacrylamides, carboxyalkycelluloses and mixtures of these.

Claim 7

A photosensitive element of claim 5 wherein said opaque plastomeric sheet material comprises a carbon black as the opacifying material.

Claim 8

A photosensitive element of claim 1 wherein said photosensitive system is coated on a plastomeric layer having a carbon black dispersed therein in an amount sufficient to provide an optical density for said layer as measured on a side thereof of at least about 5.0.

Claim 9

A photosensitive element which comprises a photosensitive silver halide system coated on a substantially transparent plastomeric layer having a carbon black dispersed therein in an amount sufficient to provide an optical density for said layer as measured on a side thereof at least about 5.0 and an opaque plastomeric sheet coated on the side of said transparent plastomeric sheet opposite said photosensitive silver halide system, said sheet having an optical density of at least about 6.0, said sheet material comprising a substantially water-insoluble fluid swellable polymeric material adapted to lose adhesive capability upon swelling, thereby separating from said transparent plastomeric layer.

Claim 10

A photosensitive element which comprises a photosensitive silver halide system coated on a substantially transparent plastomeric layer having a carbon black dispersed therein in an amount sufficient to provide an optical density for said layer as measured on a side thereof at least about 5.0 and an opaque plastomeric sheet coated on the side of said transparent plastomeric sheet opposite said photosensitive silver halide system, said sheet having an optical density of at least about 6.0, said sheet material comprising a substantially water-insoluble fluid swellable polymeric material adapted to lose adhesive capability upon swelling, thereby separating from said transparent plastomeric layer.

Claim 11

A photographic product which can be developed outside a camera after exposure of the product and adapted to provide a substantially transparent image bearing element after said product is processed by passage between pressure applying members, said product comprising first and second opaque sheet elements coupled across their leading end sections, said first member comprising in order, a silver halide photosensitive layer coated on a pellucid plastomeric layer and an opaque plastomeric sheet material having an optical density of at least about 6.0 adhered to said pellucid plastomeric layer said sheet material comprising a substantially water-insoluble, fluid swellable polymeric material adapted to lose adhesive capabiltiy upon swelling, thereby separating from said pellucid layer; said second sheet element comprising an opaque sheet adapted to be superposed said first sheet element after exposure of said photosensitive layer as said product is withdrawn from a camera and a rupturable container retaining processing composition arranged in relation with said first and second elements to distribute processing composition between said photosensitive system and said superposed element as said product is passed between pressure-applying members.

Claim 12

A photographic product which can be developed outside a camera after exposure of the product and adapted to provide a substantially transparent image bearing element after said product is processed by passage between pressure applying members, said product comprising first and second opaque sheet elements coupled across their leading end sections, said first member comprising in order, a silver halide photosensitive layer coated on a pellucid plastomeric layer and an opaque plastomeric sheet material having an optical density of at least about 6.0 adhered to said pellucid plastomeric layer said sheet material comprising a substantially water-insoluble, fluid swellable polymeric material adapted to lose adhesive capabiltiy upon swelling, thereby separating from said pellucid layer; said second sheet element comprising an opaque sheet adapted to be superposed said first sheet element after exposure of said photosensitive layer as said product is withdrawn from a camera and a rupturable container retaining processing composition arranged in relation with said first and second elements to distribute processing composition between said photosensitive system and said superposed element as said product is passed between pressure-applying members.

Claim 13

A product of claim 9 which includes a pigment or chemical system which can (1) provide an effective anti-light piping capability for said photosensitive layer and (2) which at least after processing of said photosensitive layer after exposure thereof can provide a layer which can transmit substantially all of the light incident on the surface of said layer.

Claim 14

A photographic product of claim 9 wherein said second element further includes an image receiving stratum which can receive a diffusion transfer image pattern from said photosensitive layer when said elements are brought into superposition.

Claim 15

A photographic product of claim 11 wherein said pellucid plastomeric layer comprising an antihalation dye which can initially provide an effective anti-light piping capability for said photosensitive layer but which can interreact with said processing fluid applied to said photosensitive layer after exposure thereof to provide a layer which can transmit substantially all of the light incident on the surface of said layer.

Claim 16

A photographic product of claim 11 wherein said photosensitive layer includes a pigment in an amount sufficient to provide an effective anti-light piping capability for said photosensitive layer but insufficient to prevent transmission of substantially all of the light incident on said layer.

Claim 17

A photographic product of claim 11 wherein said pellucid plastomeric layer includes a carbon black dispersed therein in an amount sufficient to provide an optical density for said layer as measured on a side thereof of at least about 5.0.

Claim 18

A photographic product of claim 11 wherein said opaque plastomeric sheet material is selected from the group consisting of polyvinyl alcohol, polyacrylamides, carboxyalkyl celluloses and mixtures of these.

Claim 19

A photographic product of claim 11 wherein said opaque plastomeric sheet material comprises a carbon black as the opacifying material.

Claim 20

A photographic product of claim 10 which comprises a photosensitive silver halide system coated on a substantially transparent plastomeric lAyer having a carbon black dispersed therein in an amount sufficient to provide an optical density for said layer as measured on a side thereof of at least about 5.0 and an opaque plastomeric sheet having an optical density of at least about 6.0 adhered to said layer, said sheet material comprising a polyvinyl alcohol.