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Title:
THERMALLY-CONVERTIBLE LITHOGRAPHIC PRINTING PRECURSOR DEVELOPABLE WITH AQUEOUS MEDIUM
Document Type and Number:
WIPO Patent Application WO2004066029
Kind Code:
A3
Abstract:
A lithographic printing precursor for lithographic offset printing comprises, a layer of imageable medium on a hydrophilic base. The imageable medium comprises hydrophobic polymer particles in an aqueous medium, a substance for converting light into heat, and a non-crosslinkable aqueous-soluble composition. The lithographic printing precursor may be used to make lithographic printing surfaces that obtain long run lengths on lower quality paper and in the presence of press-room chemicals. The lithographic printing precursor can be imaged and developed on-press and the imageable medium can also be sprayed onto a hydrophilic surface to create a printing surface that may be processed wholly on-press. It can also be processed in the more conventional fully off-press fashion. The hydrophilic surface can be a printing plate substrate or the printing cylinder of a printing press or a sleeve around the printing cylinder of a printing press. The cylinder can be conventional or seamless.

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Inventors:
GOODIN JONATHAN W (US)
EMANS JOHN (GB)
CHRISTALL KEITH (CA)
YU YISONG (CA)
RADEMACHER KATJA (CA)
Application Number:
PCT/CA2003/001155
Publication Date:
December 29, 2004
Filing Date:
July 30, 2003
Export Citation:
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Assignee:
CREO INC (CA)
GOODIN JONATHAN W (US)
EMANS JOHN (GB)
CHRISTALL KEITH (CA)
YU YISONG (CA)
RADEMACHER KATJA (CA)
International Classes:
B41C1/10; G03F7/00; B41N1/08; B41N1/16; (IPC1-7): B41C1/10
Domestic Patent References:
WO2002051636A12002-07-04
WO2002051637A12002-07-04
WO2002066252A12002-08-29
WO2002066253A12002-08-29
WO2003010002A12003-02-06
WO2003010003A12003-02-06
WO2003010004A12003-02-06
WO2003010005A12003-02-06
WO2003010006A12003-02-06
Foreign References:
EP0770494A21997-05-02
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