Global Patent Index - EP 0950517 B1

EP 0950517 B1 20011004 - A heat mode sensitive imaging element for making positive working printing plates

Title (en)

A heat mode sensitive imaging element for making positive working printing plates

Title (de)

Wärmeempfindliches Aufzeichnungsmaterial zur Herstellung von positiv arbeitenden Druckplatten

Title (fr)

Matériau d'enregistrement thermosensible pour la fabrication de plaques d'impression positives

Publication

EP 0950517 B1 20011004 (EN)

Application

EP 99200510 A 19990223

Priority

  • EP 99200510 A 19990223
  • EP 98201213 A 19980415

Abstract (en)

[origin: EP0950517A1] According to the present invention there is provided a heat mode imaging element for providing a lithographic printing plate consisting of a lithographic base with a hydrophilic surface and a top layer that is sensitive to IR-radiation, comprises a polymer soluble in an aqueous alkaline solution, and is unpenetrable for an aqueous alkaline developer, characterized in that said top layer comprises a polysiloxane surfactant.

IPC 1-7

B41C 1/10; B41M 5/36

IPC 8 full level

B41C 1/10 (2006.01); B41M 5/36 (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)

DE FR GB

DOCDB simple family (publication)

EP 0950517 A1 19991020; EP 0950517 B1 20011004

DOCDB simple family (application)

EP 99200510 A 19990223