Image-receiving element with crosslinked hydrophilic polymer containing processing composition
AssigneePolaroid Corporation
InventorJulian G. Bullitt
Life of this patent
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Abstract
An image-receiving element for use in a diffusion transfer process comprising a transparent support carrying an image-receiving layer and a hydrogel comprising a hydrophilic polymer layer cross-linked by ionizing radiation, said polymer layer containing aqueous alkaline photographic processing composition.
Claims14
An image-receiving element for diffusion transfer processing which comprises a support carrying an image-receiving layer and a hydrogel comprising a hydrophilic polymer cross-linked by ionizing radiation, said hydrogel containing aqueous alkaline photographic processing composition.
A method for forming an image-receiving element for use in a diffusion transfer process which comprises the steps of
- (a) coating a transparent support with an image-receiving layer and a hydrophilic polymer;
- (b) gelling said polymer to form a hydrogel by subjecting said polymer to sufficient ionizing radiation to form said hydrogel;
- and
- (c) imbibing aqueous photographic processing composition into said hydrogel.
A method for forming a diffusion transfer image which comprises the steps of
- (a) exposing a photosensitive element comprising a first support carrying at least a first photosensitive silver halide emulsion layer;
- (b) superposing an image-receiving element to the outermost layer of said photosensitive element;
- said image-receiving element comprising a second support carrying an image-receiving layer and a hydrogel, said hydrogel comprising a hydrophilic polymer cross-linked with ionizing radiation and an aqueous alkaline photographic processing composition;
- whereby a sufficient quantity of said processing composition is absorbed by said photosensitive element to develop said photosensitive silver halide layer, and transferring an imagewise distribution of image-forming material to said image-receiving layer.
Dependencies are inferred from the claim text.