【発明の名称】石版印刷版前駆体 - Kodak Polychrome Graphics Company Limited

Title:

【発明の名称】石版印刷版前駆体

Document Type and Number:

Japanese Patent JP2001513212

Kind Code:

A

Abstract:

There is described a method of preparing a lithographic plate which comprises coating on a lithographic support having a hydrophilic surface a layer of a radiation sensitive coating, imaging the coating then acting on the plate while on the press with aqueous fount solution to remove the unexposed areas of the coating, to reveal the hydrophilic surface of the plate and to leave an ink receptive image, wherein the radiation sensitive coating comprises a diazo salt of formula (I):wherein R1 is an anion, R2 and R3 represent optional substitution, R4 is -N- and -S- and R5 is a group which, after exposure of the plate renders the residue of the diazo salt oleophilic and fount solution insoluble.

Inventors:

Ray, Kevin Barry
Brooks, Allison Jane
Parsons, Gareth Rodri
Deborah Jane, Firth
McCraw, Christopher David

Application Number:

JP53394598A

Publication Date:

August 28, 2001

Filing Date:

January 15, 1998

Export Citation:

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Assignee:

Kodak Polychrome Graphics Company Limited

International Classes:

B41N1/14; G03F7/00; G03F7/016; G03F7/021; G03F7/30; (IPC1-7): G03F7/016; B41N1/14; G03F7/00; G03F7/30

Attorney, Agent or Firm:

Aoyama Ryo (2 outside people)

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