(19)
(11) EP 1 440 797 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
29.06.2005 Bulletin 2005/26

(43) Date of publication A2:
28.07.2004 Bulletin 2004/31

(21) Application number: 04100163.7

(22) Date of filing: 20.01.2004
(51) International Patent Classification (IPC)7B41C 1/10, B41N 1/08
(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: 27.01.2003 EP 03100155

(71) Applicant: AGFA-GEVAERT
2640 Mortsel (BE)

(72) Inventors:
  • Van Damme, Marc Agfa-Gevaert
    2640 Mortsel (BE)
  • Deroover, Geert Agfa-Gevaert
    2640 Mortsel (BE)

   


(54) Heat-sensitive lithographic printing plate precursor


(57) A positive working printing plate precursor is disclosed which comprises a hydrophilic support and a coating provided thereon which comprises in the order given a first layer containing an oleophilic resin soluble in an aqueous alkaline developer and a second layer comprising a water repellent-compound. Furthermore, the coating comprises an infrared absorbing dye containing a polysiloxane group providing a printing plate precursor with high sensitivity.





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