Colored image on a degradable sheet material and method of forma

Details Colored image on a degradable sheet material and method of forma Colored image on a degradable sheet material and method of forma

Filed on

1991-12-13

Date issued

1993-02-02

Examiner

Le, Hoa Van

Patent Class

Radiation imagery chemistry: process, composition, or product th

SubClass

Diazo reproduction, process, composition, or product

SubSubClass

Composition or product which contains radiation sensitive...

Other Related Categories

430141, 430143, 430155, 430157, 430158, 430165, 430166, 430257, 430271, 430292, 430293, C03F 7021, C03F 7023, C03F 7032, G03C 518

Type

Patent

Status

active

Patent number

051837234

Description

ABSTRACT:
This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of printing paper stocks. Upon exposure to an actinic radiation source through a screened image and development, it can accurately reproduce the image on the degradable sheet. The construction is useful as a color proof which can be employed to accurately predict the image quality from a lithographic printing process on a variety of printing surfaces.

REFERENCES:
patent: 3721557 (1973-03-01), Inoue
patent: 3764318 (1973-10-01), Laridon
patent: 3775113 (1973-11-01), Bonham et al.
patent: 4260673 (1981-04-01), Krech
patent: 4596755 (1986-06-01), Barton et al.
patent: 4650738 (1987-03-01), Platzer et al.
patent: 4659642 (1987-04-01), Platzer et al.
patent: 4748101 (1988-05-01), Barton
patent: 4933258 (1990-06-01), Shinozaki et al.

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