Water developable, negative working overlay color proofing syste

Details Water developable, negative working overlay color proofing syste Water developable, negative working overlay color proofing syste

1991-04-02

1993-05-18

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Process producing multiple image

430163, 430175, 430176, 430271, 430293, 430325, 430331, G03F 732, G03F 7021, G03F 300

Patent

active

052120414

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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