Heat development in presence of water

Details Heat development in presence of water Heat development in presence of water

1986-07-31

1987-11-03

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...

430351, G03C 554

Patent

active

047043458

ABSTRACT:
A method of forming an image comprising heating a light-sensitive material having at least a light-sensitive silver halide, a binder and a dye releasing redox compound which is capable of reducing the light-sensitive silver halide and is capable of reacting with the light-sensitive silver halide by heating to release a hydrophilic diffusible dye on a support after or simultaneously with imagewise exposure in the presence of water and a base and/or a base precursor to form a mobile dye and transferring the mobile dye to a dye fixing layer at the time of heating for development.
In accordance with the method of the present invention, a clear color image having a high density and low fog can be obtained in a short time by a simple procedure.

REFERENCES:
patent: 4430415 (1984-02-01), Aono et al.
patent: 4473631 (1984-09-01), Hirai et al.

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