Global Patent Index - EP 0931647 A1

EP 0931647 A1 19990728 - A heat sensitive element and a method for producing lithographic plates therewith

Title (en)

A heat sensitive element and a method for producing lithographic plates therewith

Title (de)

Wärmeempfindliches Aufzeichnungselement und Verfahren zur Herstellung von Flacdruckplatten damit

Title (fr)

Elément d'enregistrement thermosensible et procédé pour la fabrication de plaques lithographiques utilisant cet élément

Publication

EP 0931647 A1 19990728 (EN)

Application

EP 98200187 A 19980123

Priority

EP 98200187 A 19980123

Abstract (en)

According to the present invention there is provided a heat sensitive imaging element comprising on a lithographic base with a hydrophilic surface an image forming layer including thermoplastic particles of a homopolymer or a copolymer of styrene and a hydrophilic polymer containing carboxyl groups, characterized in that said imaging element further contains an anionic IR-cyanine dye being present in said image forming layer or a layer adjacent thereto,

IPC 1-7

B41C 1/10; B41M 5/36; B41M 5/40

IPC 8 full level

G03F 7/004 (2006.01); B41C 1/10 (2006.01); B41M 5/36 (2006.01); B41M 5/46 (2006.01); B41N 1/14 (2006.01); G03F 7/00 (2006.01)

CPC (source: EP)

B41C 1/1025 (2013.01); B41M 5/366 (2013.01); B41M 5/465 (2013.01); B41C 2210/04 (2013.01); B41C 2210/08 (2013.01); B41C 2210/22 (2013.01); B41C 2210/24 (2013.01)

Citation (search report)

Designated contracting state (EPC)

BE DE FR GB

DOCDB simple family (publication)

EP 0931647 A1 19990728; EP 0931647 B1 20030402; DE 69812871 D1 20030508; DE 69812871 T2 20040226; JP H11265062 A 19990928

DOCDB simple family (application)

EP 98200187 A 19980123; DE 69812871 T 19980123; JP 1190899 A 19990120