Presensitized lithographic plate comprising support and...

Details Presensitized lithographic plate comprising support and... Presensitized lithographic plate comprising support and...

2005-08-30

2008-12-09

Walke, Amanda C. (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S278100, C430S302000, C430S309000, C430S434000, C430S435000, C430S494000, C430S944000, C430S945000

Reexamination Certificate

active

07462437

ABSTRACT:
A presensitized lithographic plate comprises a support and a hydrophilic image-recording layer. The hydrophilic image-recording layer contains a hydrophilic polymer and an agent capable of converting hydrophilic to hydrophobic when the agent is heated. The hydrophilic polymer comprises a main chain and branched chains. Each of the branched chain comprises a hydrophilic chain having a molecular weight in the range of 200 to 1,000,000. A hydrophilic substrate and a lithographic printing process are also disclosed.

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