Diffusion transfer color photographic material with meso-ionic 1

Details Diffusion transfer color photographic material with meso-ionic 1 Diffusion transfer color photographic material with meso-ionic 1

1985-01-08

1986-04-15

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...

430240, 430445, 430489, 430611, G03C 140, G03C 554, G03C 134

Patent

active

045827753

ABSTRACT:
A color diffusion transfer photographic light-sensitive material comprising a support, at least one silver halide layer on the support, said emulsion layer being associated with a dye-providing compound, and an image-receiving layer on the same support as above or on another support, wherein said photographic light-sensitive material is able to provide a transferred dye image composed of a diffusible dye or its precursor released or derived from the dye-providing compound as a result of development under a strong alkaline condition in the presence of at least one meso ionic 1,2,4-triazolium-3-thiolate compound. In the present material, fog can be prevented efficiently without causing the problems of a reduction in sensitivity and a decrease in rate of development.

REFERENCES:
patent: 4139379 (1979-02-01), Chasman et al.
patent: 4351896 (1982-09-01), Altland et al.
patent: 4404390 (1983-09-01), Altland et al.
patent: 4459351 (1984-07-01), Adin et al.

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