| (19) |
 |
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(11) |
EP 2 275 257 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
10.12.2014 Bulletin 2014/50 |
| (43) |
Date of publication A2: |
|
19.01.2011 Bulletin 2011/03 |
| (22) |
Date of filing: 30.03.2010 |
|
| (51) |
International Patent Classification (IPC):
|
|
| (84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO
PL PT RO SE SI SK SM TR |
|
Designated Extension States: |
|
AL BA ME RS |
| (30) |
Priority: |
31.03.2009 JP 2009088555
|
| (71) |
Applicant: Fujifilm Corporation |
|
Minato-ku
Tokyo 106-0031 (JP) |
|
| (72) |
Inventor: |
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- Sato, Takashi
Shizuoka (JP)
|
| (74) |
Representative: Hoffmann Eitle |
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Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München
81925 München (DE) |
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| |
|
| (54) |
Lithographic printing plate precursor and method of preparing lithographic printing
plate |
(57) A lithographic printing plate precursor includes, in the following order: a support;
an intermediate layer containing a polyvalent cation and a polymer compound having
at least one of an acid group selected from a sulfonic acid group, a carboxylic acid
group and a phosphoric acid group and a salt thereof; an image-recording layer containing
(i) a polymerization initiator, (ii) a polymerizable compound and (iii) a binder polymer;
and a protective layer.