Process for production of printing plate

Details Process for production of printing plate Process for production of printing plate

1976-12-14

1978-09-19

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 363, 96 59, 101456, 101457, 101467, G03F 702

Patent

active

041151186

ABSTRACT:
A process for producing a printing plate comprising imagewise exposing a light-sensitive material comprising a support with a hydrophilic surface and having thereon an unhardened silver halide emulsion layer, developing the imagewise exposed light-sensitive material with a non-tanning developer, fogging the remaining silver halide, developing the fogged remaining silver halide with a tanning developer to thereby simultaneously harden the emulsion layer at the areas developed, and removing the unhardened emulsion layer, whereby an oleophilic tanning relief image is formed.

REFERENCES:
patent: T825262 (1969-11-01), Yackel
patent: T867012 (1969-10-01), Woodward et al.
patent: 3600166 (1971-08-01), Sieg et al.
patent: 3615444 (1971-10-01), Ohkubo et al.
patent: 3615517 (1971-10-01), Milton et al.
patent: 3669018 (1972-06-01), Wheelock
patent: 3745013 (1973-07-01), Ohi et al.

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