Water developable, negative working overlay color proofing syste

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Process producing multiple image

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Details

430157, 430163, 430175, 430176, 430293, G03F 7021, G03F 7105

Patent

active

053488342

ABSTRACT:
This invention relates to water developable, negative working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process. The invention provides both overlay and transfer type proofing sheets which have good fingerprint resistance.

REFERENCES:
patent: 3849392 (1974-11-01), Steppan
patent: 4144067 (1979-03-01), Ruckert et al.
patent: 4288520 (1981-09-01), Sprintschnik
patent: 4436804 (1984-03-01), Walls
patent: 4650738 (1987-03-01), Platzer et al.
patent: 4748101 (1988-05-01), Barton

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