Global patent index - EP 0774364 B1

EP 0774364 B1 2000-10-11 - Method for making a lithographic printing plate by image-wise heating an imaging element using a thermal head

Title (en)

Method for making a lithographic printing plate by image-wise heating an imaging element using a thermal head

Title (de)

Verfahren zur Herstellung einer Flachdruckplatte durch bildmässige Erwärmung eines Bildaufnahmeelements mittels eines Thermodruckkopfes

Title (fr)

Procédé pour la fabrication d'une plaque lithographique par échauffement selon une image d'un élément pour l'enregistrement de l'image avec une tête thermique

Publication

EP 0774364 B1 (EN)

Application

EP 95203129 A

Priority

EP 95203129 A

Abstract (en)

[origin: EP0774364A1] The present invention provides a method for making a lithographic printing plate wherein an imaging element is image-wise heated by means of a thermal head. The imaging element comprises on a flexible support (i) an ink-repellant layer containing a cross-linked hydrophilic binder and (ii) an image forming layer comprising hydrophobic thermoplastic polymer particles dispersed in a hydrophilic binder. Subsequent to image-wise heating, the imaging element is developed with water or an aqueous liquid. Development may also be carried out on-press. Moreover, image-wise heating and development can both be carried out on press.

IPC 1-7 (main, further and additional classification)

B41M 5/36; B41C 1/10

IPC 8 full level (invention and additional information)

B41C 1/055 (2006.01); B41C 1/10 (2006.01); B41M 5/36 (2006.01); B41N 1/14 (2006.01); G03F 7/00 (2006.01)

CPC (invention and additional information)

B41C 1/1025 (2013.01); B41M 5/366 (2013.01); B41C 2210/04 (2013.01); B41C 2210/08 (2013.01); B41C 2210/22 (2013.01); B41C 2210/24 (2013.01)

Designated contracting state (EPC)

BE DE FR GB NL

EPO simple patent family

EP 0774364 A1 19970521; EP 0774364 B1 20001011; DE 69519100 D1 20001116; DE 69519100 T2 20010510; JP 2938400 B2 19990823; JP H09141819 A 19970603

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