Invention Application
- Patent Title: Lithographic Printing Plate Precursor and Lithographic Printing Method
- Patent Title (中): 平版印刷版和平版印刷法
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Application No.: US11883309Application Date: 2005-08-24
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Publication No.: US20080148977A1Publication Date: 2008-06-26
- Inventor: Koji Sonokawa , Tomoyoshi Mitsumoto , Sumiaki Yamasaki
- Applicant: Koji Sonokawa , Tomoyoshi Mitsumoto , Sumiaki Yamasaki
- Priority: JP2005-022605 20050131
- International Application: PCT/JP2005/015371 WO 20050824
- Main IPC: G03F7/12
- IPC: G03F7/12 ; B41N3/00

Abstract:
To provide a lithographic printing plate precursor capable of obtaining a plenty of sheets of good printed matters with practical energy dosage, which is excellent in on-press developing property and press life, and capable of reducing pollution of fountain solution, and provide a lithographic printing method. The lithographic printing plate precursor comprises a support having provided thereon an image-recording layer, which lithographic printing plate precursor is mounted on a printing press and imagewise exposed, or mounted on the printing press after imagewise exposure, and then developed by feeding printing ink and/or a fountain solution, wherein at least a part of the unexposed part of the image-recording layer is not dissolved in the printing ink, the fountain solution or both of them, and removed by falling out of film, and the invention provides a lithographic printing method using the same.
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