Silver halide elements that produce sharp images without fixing and processes for their use

A silver halide imaging element capable of providing a sharp image with silver halide grains still present following imagewise exposure and development comprised of a support and, coated on the support, at least one image-forming emulsion layer containing radiation-sensitive silver halide grains and a dispersing medium, wherein the dispersing medium is comprised of an organic vehicle and, dispersed therein, titanium dioxide particles having an average size of less than 0.1 micrometer accounting for at least 10 percent by weight of the dispersing medium.

A silver halide imaging element capable of providing sharp dye images when scanned with silver halide grains still present following imagewise exposure and development comprised of a transparent film support and, coated on the support, a blue exposure recording layer unit containing a first subtractive primary dye image-forming coupler and blue sensitized silver halide grains dispersed in an organic vehicle, a green exposure recording layer unit containing a second subtractive primary dye image-forming coupler and green sensitized silver halide grains dispersed in an organic vehicle, and a red exposure recording layer unit containing a third subtractive primary dye image-forming coupler and red sensitized silver halide grains dispersed in an organic vehicle, the couplers being chosen to form a dye of a different subtractive primary hue in each of the layer units, wherein the organic vehicle containing the silver halide grains additionally contains dispersed therein titanium dioxide particles having an average size of less than 0.07 micrometer accounting for from 50 to 90 percent of the weight of the organic vehicle and titanium dioxide particles.

A method of obtaining and utilizing a multicolor image comprising (1) imagewise exposing a multicolor dye image forming element comprised of a transparent film support and, coated on the support, a blue exposure recording layer unit containing a first subtractive primary dye image-forming coupler and blue sensitized silver halide grains dispersed in an organic vehicle, a green exposure recording layer unit containing a second subtractive primary dye image-forming coupler and green sensitized silver halide grains dispersed in an organic vehicle, and a red exposure recording layer unit containing a third subtractive primary dye image-forming coupler and red sensitized silver halide grains dispersed in an organic vehicle, the couplers being chosen to form a dye of a different subtractive primary hue in each of the layer units, and the organic vehicle containing the silver halide grains additionally containing dispersed therein titanium dioxide particles having an average size of less than 0.07 micrometer accounting for from 50 to 90 percent of the weight of the organic vehicle and titanium dioxide particles, (2) developing the silver halide grains as a function of imagewise exposure with a color developing agent to produce a dye image of a different subtractive primary hue in each of the emulsion layer units, (3) reconverting developed silver to silver halide by bleaching, (4) without removing silver halide from the element, passing light through the layer units and film support as a function of dye absorption, and (5) recording the light passing through the element to capture images corresponding to the pattern of blue, green and red exposure absorptions within the element.

A method of obtaining and utilizing a multicolor image comprising (1) imagewise exposing a multicolor dye image forming element comprised of a white, reflective support and, coated on the support, a blue exposure recording layer unit containing a first subtractive primary dye image-forming coupler and blue sensitized silver halide grains dispersed in an organic vehicle, a green exposure recording layer unit containing a second subtractive primary dye image-forming coupler and green sensitized silver halide grains dispersed in an organic vehicle, and a red exposure recording layer unit containing a third subtractive primary dye image-forming coupler and red sensitized silver halide grains dispersed in an organic vehicle, the couplers being chosen to form a dye of a different subtractive primary hue in each of the layer units, and the organic vehicle containing the silver halide grains additionally containing dispersed therein titanium dioxide particles having an average size of less than 0.07 micrometer accounting for from 50 to 90 percent of the weight of the organic vehicle and titanium dioxide particles, (2) developing the silver halide grains as a function of imagewise exposure with a color developing agent to produce a dye image of a different subtractive primary hue in each of the emulsion layer units, (3) reconverting developed silver to silver halide by bleaching, (4) without removing silver halide from the element, passing light through the layer units as a function of dye absorption, and (5) recording the specular light reflected from the element to capture images corresponding to the pattern of blue, green and red exposure absorptions within the element.