Film for chromatic proofreading

Details Film for chromatic proofreading Film for chromatic proofreading

1983-07-05

1986-02-04

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430502, 430165, 430358, 430 22, 430143, 430508, 430365, 430952, G03C 152

Patent

active

045686270

ABSTRACT:
Disclosed is a chromatic proofreading film which may be conveniently used for the process of ascertaining the color quality in multi-color printing by overlaying color picture images produced from the corresponding color separated picture images. The chromatic proofreading film of this invention has two photosensitive layers, the outer one consisting of a silver halide photosensitive material and the inner one consisting of a non silver salt photosensitive material such as diazo or azide resin, and the inner photosensitive layer is divided into a plurality of regions dyed to different basic colors so that the chromatic proofreading film may be cut apart into a plurality of separate sheets which may be overlaid for the purpose of chromatic proofreading after the film is photographically developed.

REFERENCES:
patent: 1966412 (1934-07-01), Krieger
patent: 2036369 (1936-04-01), Simjian
patent: 3291603 (1966-12-01), Bryan
patent: 3326682 (1967-06-01), Endermann et al.
patent: 4260673 (1981-04-01), Krech
patent: 4366223 (1982-12-01), Larson
patent: 4393128 (1983-07-01), Shiba et al.

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