Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1980-06-11
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...
430234, 430229, 430246, 430251, 430302, G03C 554
Patent
active
042974291
ABSTRACT:
Lithographic printing plates having high ink receptivity, suffuring no ink stains and having much improved printing endurance can be produced by silver complex diffusion transfer process from lithographic printing plate materials comprising a support having thereon at least both silver halide emulsion layer and physical development nuclei layer wherein the diffusion transfer processing is carried out in the presence of 2-mercaptobenzoic acid derivatives or, besides this 2-mercaptobenzoic acid derivatives, at least one compound selected from the group consisting of alkanolamines and cyclic imide compounds which may be contained in at least one layers of the lithographic printing plate materials and/or the diffusion transfer developing solutions.
REFERENCES:
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patent: 2857276 (1958-10-01), Land et al.
patent: 3592647 (1971-07-01), Blake et al.
patent: 3615513 (1971-10-01), Haist et al.
patent: 3681072 (1972-08-01), Debruyn
patent: 3721559 (1973-03-01), DeHaes et al.
patent: 3894871 (1975-07-01), Land
"Organic Silver Complexing Agents . . . ," Haist et al., Photo. Sci. and Engrg., vol. 5, No. 4, Jul./Aug. 1961, pp. 198-203.
Haist et al., "Inhibition of Silvering . . . ," Photo. Sci. and Engrg., vol. 20, No. 6, Sep./Oct. 1976, pp. 220-224.
Kanada Eiji
Tsubai Yasuo
Yamada Shoji
Downey Mary F.
Mitsubishi Paper Mills Ltd.
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