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Title:
METHOD FOR CREATING PLANOGRAPHIC PRINTING PLATE
Document Type and Number:
WIPO Patent Application WO/2018/159087
Kind Code:
A1
Abstract:
Provided is a method for creating a planographic printing plate, the method comprising, in this sequence, a step for preparing a planographic printing original plate having an image recording layer on a hydrophilic support, a step for exposing the planographic printing original plate in an image-like manner, and a step for, by using a developing liquid, removing an unexposed part of the image recording layer exposed in the planographic printing original plate, wherein: the developing liquid contains a compound having at least one carboxy group and at least one acid group selected from the group consisting of phosphate group, phosphonate group, and phosphinate group; the developing liquid has a pH of 5-10; and said method does not comprise, after the removing step, a step for washing the surface of the resultant planographic printing plate with water or a step for applying a desensitizing treatment to the surface of the resultant planographic printing plate.

Inventors:
WARIISHI KOJI (JP)
AIZU KOHEI (JP)
Application Number:
PCT/JP2017/046783
Publication Date:
September 07, 2018
Filing Date:
December 26, 2017
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G03F7/32; G03F7/00; G03F7/004; G03F7/027
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Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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