Method of processing laser sensitive lithographic printing...

Details Method of processing laser sensitive lithographic printing... Method of processing laser sensitive lithographic printing...

2007-05-08

2007-05-08

Nguyen, Judy (Department: 2854)

Printing

Planographic

Processes of lithographic printing

C101S450100, C101S463100, C101S465000, C101S467000, C430S302000, C430S270100, C430S273100

Reexamination Certificate

active

11266817

ABSTRACT:
A method of developing a laser sensitive lithographic printing plate with ink and/or fountain solution is described. The printing member comprises on a substrate a photosensitive layer soluble or dispersible in ink and/or fountain solution and capable of hardening upon exposure to a laser. The plate is exposed with a laser and deactivated under a safe light or in the dark, and then on-press developed with ink and/or fountain solution preferably under white light. Alternatively, the plate is developed with ink and/or fountain solution or the likes off press, and then mounted on press for lithographic printing.

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