Dry image-forming process

Details Dry image-forming process Dry image-forming process

1991-09-13

1993-10-05

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...

430218, G03C 554

Patent

active

052503860

ABSTRACT:
A dry image-forming process is disclosed. The dry image-forming process of the invention comprises heat developing a light-sensitive material comprising a support having thereon at least a photosensitive silver halide, a binder, and a dye releasing redox compound said dye releasing redox compound being reductive to the photosensitive silver halide and being capable of releasing a hydrophilic dye upon reaction with the photosensitive silver halide under heating, after or simultaneously with imagewise exposure, to form imagewise a mobile hydrophilic dye and heating, after simultaneously with the heat development, the light-sensitive material together with a dye-fixing layer in the presence of a hydrophilic thermal solvent to thereby transfer the mobile hydrophilic dye onto the dye-fixing layer to form a dye image and fix the dye image. The heat development is carried out in a state containing substantially no water, and the whole of steps are carried out without particular supplying a solvent.

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patent: 4504568 (1985-03-01), Clark et al.
patent: 4952479 (1990-08-01), Aono et al.

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