Lithographic printing process

Details Lithographic printing process Lithographic printing process

2005-03-17

2010-12-14

Kelly, Cynthia H (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

C430S138000, C430S286100, C430S281100, C101S450100

Reexamination Certificate

active

07851133

ABSTRACT:
A lithographic printing process which comprises the steps of: imagewise scanning with a laser a presensitized lithographic plate which comprises a hydrophilic support and an image-recording layer containing a polymerization initiator, an ethylenically unsaturated polymerizable compound having no adherence to the hydrophilic support, and an ethylenically unsaturated polymerizable compound having adherence to the hydrophilic support and a molecular structure comprising a polyoxyalkylene group to polymerize the ethylenically unsaturated polymerizable compounds within the exposed area; removing the image-recording layer within the unexposed area from the lithographic plate mounted on a cylinder of a printing press; and then printing an image with the lithographic plate mounted on the cylinder of the printing press. A presensitized lithographic plate is also disclosed.

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Suzuki, English Translation JP2000-089460 A, Photosensitive Lithographic Printing Plates Mar. 31, 2000.

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