The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 11, 2010

Filed:

Dec. 28, 2007
Applicants:

Toshifumi Inno, Haibara-gun, JP;

Keiichi Adachi, Haibara-gun, JP;

Inventors:

Toshifumi Inno, Haibara-gun, JP;

Keiichi Adachi, Haibara-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for preparation of a lithographic printing plate including: exposing with a laser a lithographic printing plate precursor including a support and a photosensitive layer containing a sensitizing dye, a radical polymerization initiator, a radical polymerizable compound and a binder polymer; and subjecting the exposed lithographic printing plate precursor to development processing with a developer having pH of from 3 to 9 to remove an unexposed area of the photosensitive layer, wherein the binder polymer is a polymer having an acid value of from 10 to 250 mg-KOH/g and the developer contains a compound represented by one of the formulae <1>, <2> and <3> defined herein.


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