(19)
(11) EP 1 403 039 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION

(48) Corrigendum issued on:
16.06.2004 Bulletin 2004/25

(43) Date of publication:
31.03.2004 Bulletin 2004/14

(21) Application number: 03020590.0

(22) Date of filing: 18.09.2003
(51) International Patent Classification (IPC)7B41C 1/10, G03F 7/004, G03C 1/73
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 30.09.2002 JP 2002285697

(71) Applicant: Fuji Photo Film Co., Ltd.
Kanagawa (JP)

(72) Inventors:
  • Aoai, Toshiaki
    Yoshida-cho, Haibara-gun, Shizuoka (JP)
  • Endo, Akihiro
    Yoshida-cho, Haibara-gun, Shizuoka (JP)

(74) Representative: HOFFMANN - EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) Infrared sensitive composition and lithographic printing plate precursor


(57) An infrared sensitive composition and a lithographic printing plate precursor having a large difference in alkali solubility between the exposed portions and unexposed portions (dissolution discrimination), an excellent latitude in development, and a high sensitivity can be provided when the composition is used for the image-forming layer of a lithographic printing plate precursor, which is an infrared sensitive composition comprising an alkali-soluble resin having a phenolic hydroxyl group (A), a light-heat converting substance (B) and a leucohydroxy dye (C).