Gas separation: apparatus – Electric field separation apparatus – Electrode cleaner – apparatus part flusher – discharger – or...
Patent
1975-07-17
1976-07-27
Kimlin, Edward C.
Gas separation: apparatus
Electric field separation apparatus
Electrode cleaner, apparatus part flusher, discharger, or...
96296, 96 1R, 96 86R, 96 86P, 101455, 101456, 101460, 101465, G03F 702
Patent
active
039716600
ABSTRACT:
A method of providing a printing plate comprises coating on a support a layer having a hydrophilic surface comprising the homogeneous reaction product of hydrolyzed polyvinyl acetate and hydrolyzed tetraethyl orthosilicate. The coating may also contain pigments such as titanium dioxide and the like. A printing plate is provided having a support having thereon a layer having a hydrophilic surface and over the layer a silver precipitating layer, preferably comprising nickel sulfide and silver iodide. An image is provided in the silver precipitating layer by diffusion transfer and treated with a thiol or similar sulfur-containing material to improve the ink-water balance of the plate.
REFERENCES:
patent: 3083639 (1963-04-01), Thurlow
patent: 3110596 (1963-11-01), Heiss et al.
patent: 3227075 (1966-01-01), Guastella et al.
patent: 3552316 (1971-01-01), Ormsbee
patent: 3582328 (1971-06-01), De Haes et al.
patent: 3607255 (1971-09-01), Back
patent: 3690883 (1972-09-01), Hyland
Byers Henry E.
Eastman Kodak Company
Kimlin Edward C.
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