Diffusion transfer color photographic element with U.V. absorbin

Details Diffusion transfer color photographic element with U.V. absorbin Diffusion transfer color photographic element with U.V. absorbin

1981-10-02

1983-02-22

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430212, 430214, 430215, 430512, G03C 140, G03C 554, G03C 184

Patent

active

043749194

ABSTRACT:
A diffusion transfer color photographic element wherein (1) a light-sensitive sheet comprising a support having superposed thereon at least one silver halide emulsion layer having associated therewith a color image providing compound and (2) a cover sheet comprising a support having thereon at least one neutralizing layer and at least one neutralization timing layer are arranged so that they can contact each other with their supports remote the area of contact and which is so designed that a processing composition may be spread in a uniform layer between the light-sensitive sheet (1) and the cover sheet (2), further wherein a protective layer which consists essentially of a hydrophilic colloid is provided as the topmost layer of the light-sensitive sheet (1) and there is provided an ultraviolet absorbant-containing layer for light-sensitive sheet (1) adjacent the protective layer. The element exhibits improved storage stability.

REFERENCES:
patent: 4148648 (1979-04-01), Pfingston
"Photographic Processes and Products", Research Disclosure, No. 15162, 11/76.
Carroll et al., Introduction to Photographic Theory, John Wiley & Sons, New York, .COPYRGT.1980, pp. 8 & 9.

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