Heat-developable light-sensitive material

Details Heat-developable light-sensitive material Heat-developable light-sensitive material

1991-08-05

1992-10-20

Van Le, Hoa

Radiation imagery chemistry: process, composition, or product th

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

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

430223, 430264, 430607, G03K 554

Patent

active

051569396

ABSTRACT:
A heat-developable light-sensitive material is disclosed, comprising a support having thereon at least a surface latent image type silver halide, a binder, an electron transfer agent or a precursor thereof, an electron donor, a reducible dye providing compound capable of releasing a diffusible dye upon being reduced with the electron donor and a hydrazine derivative.
The heat-developable light-sensitive material can provide positive images having a sufficiently high image density and a low minimum density in a short period of developing time.

REFERENCES:
patent: 4237214 (1980-12-01), Mifune et al.
patent: 4783396 (1988-11-01), Nakamura et al.
patent: 4820622 (1989-04-01), Hirai

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