Method of processing light sensitive planographic printing...

Details Method of processing light sensitive planographic printing... Method of processing light sensitive planographic printing...

2007-11-27

2007-11-27

Schilling, Richard L. (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

C430S309000, C430S331000, C430S964000

Reexamination Certificate

active

11135036

ABSTRACT:
Disclosed is a method of processing a light sensitive planographic printing plate material comprising an aluminum support, and provided thereon, a photopolymerizable light sensitive layer containing a polymerizable ethylenically unsaturated compound, a photopolymerization initiator, and a polymer binder, the method comprising the steps of imagewise exposing the light sensitive planographic printing plate material, developing the exposed light sensitive planographic printing plate material with a developer to obtain a planographic printing plate, the developer containing no silicate or containing a silicate in amount of not more than 0.1% by weight in terms of SiO2, and plate processing the resulting planographic printing plate with a plate protecting solution containing a phosphonic acid compound at a temperature of from 40 to 90° C.

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Database WPI, Derwent Publications Ltd., XP-002345233, Section Ch, Week 200436 for JP 2004-077589 dated Mar. 11, 2004.

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