Photographic material for production of printing plates and meth

Details Photographic material for production of printing plates and meth Photographic material for production of printing plates and meth

1980-08-01

1981-10-27

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

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

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

430229, 430234, 430246, 430251, 430302, G03C 554

Patent

active

042974305

ABSTRACT:
In production of lithographic printing plates by developing a photographic material comprising a support having thereon at least both silver halide emulsion layer and physical development nuclei layer by silver complex diffusion transfer process to form transfer silver to be used as ink-receptive portions of the lithographic printing plates, when the development is carried out in the presence of a cyclic imide compound (alone or in combination with sulfites, thiosulfates, thiocyanates or alkanolamines) as defined hereinafter, ink-receptivity of the transfer silver image portions and printing endurance of thus obtained printing plates are improved. Moreover, the non-image portions have no or substantially no stains.

REFERENCES:
patent: 2857274 (1958-10-01), Land et al.
patent: 2857276 (1958-10-01), Land et al.
patent: 3681072 (1972-08-01), Debruyn
patent: 3894871 (1975-07-01), Land
patent: 4147543 (1979-04-01), Kubotera et al.

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