Global Patent Index - EP 1262318 A2

EP 1262318 A2 20021204 - Lithographic printing plate precursor

Title (en)

Lithographic printing plate precursor

Title (de)

Vorläufer einer lithographischen Druckplatte

Title (fr)

Précurseur d'une plaque d'impression planographique

Publication

EP 1262318 A2 20021204 (EN)

Application

EP 02011659 A 20020531

Priority

JP 2001166863 A 20010601

Abstract (en)

A lithographic printing plate precursor of double-layer structure comprising a support, an alkali-soluble resin-containing layer and a positive-working recording layer provided on the alkali-soluble resin-containing layer, which contains an infrared absorbent and is capable of increasing solubility in an aqueous alkali solution upon exposure to infrared laser, wherein the positive-working recording layer contains an alkali-soluble novolak resin having xylenol as a structural unit; and a method of processing the lithographic printing plate precursor comprising developing the exposed lithographic printing plate precursor with an alkaline developer containing a pH buffering organic compound and a base.

IPC 1-7

B41C 1/10

IPC 8 full level

G03F 7/004 (2006.01); B41C 1/10 (2006.01); G03F 7/00 (2006.01); G03F 7/023 (2006.01)

CPC (source: EP)

B41C 1/1016 (2013.01); B41C 2210/02 (2013.01); B41C 2210/06 (2013.01); B41C 2210/14 (2013.01); B41C 2210/22 (2013.01); B41C 2210/24 (2013.01); B41C 2210/262 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1262318 A2 20021204; EP 1262318 A3 20030115; EP 1262318 B1 20050302; AT E289920 T1 20050315; DE 60203063 D1 20050407; DE 60203063 T2 20060406; JP 2002357894 A 20021213

DOCDB simple family (application)

EP 02011659 A 20020531; AT 02011659 T 20020531; DE 60203063 T 20020531; JP 2001166863 A 20010601