Global Patent Index - EP 0987104 A1

EP 0987104 A1 2000-03-22 - Imaging member containing heat sensitive thiosulfate polymer and methods of use

Title (en)

Imaging member containing heat sensitive thiosulfate polymer and methods of use

Title (de)

Ein thiosulfatpolymeres enthaltendes wärmeempfindliches Bildelement und Methoden zu seiner Benutzung

Title (fr)

Elément de formation d'images contenant un polymère de thiosulphate sensible à la chaleur et méthodes d'utilisation

Publication

EP 0987104 A1 (EN)

Application

EP 99202885 A

Priority

  • US 15683398 A
  • US 26046599 A

Abstract (en)

An imaging member is composed of a hydrophilic imaging layer having a hydrophilic heat-sensitive polymer containing heat-activatable thiosulfate groups, and optionally a photothermal conversion material. Upon application of energy that generates heat, such as from IR irradiation, the polymer is crosslinked and rendered more hydrophobic. The exposed imaging member can be contacted with a lithographic printing ink and a fountain solution and used for printing with or without post-imaging wet processing. This imaging member is particularly useful for direct write imaging using IR lasers or thermal printing heads.

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

B41C 1/10; B41M 5/36

IPC 8 full level (invention and additional information)

B41F 7/02 (2006.01); B41C 1/10 (2006.01); B41M 5/36 (2006.01); B41N 1/14 (2006.01); G03F 7/004 (2006.01)

CPC (invention and additional information)

B41M 5/368 (2013.01); B41C 1/1041 (2013.01); B41C 1/1008 (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)

  • [A] PATENT ABSTRACTS OF JAPAN vol. 1996, no. 9 30 September 1996 (1996-09-30)
  • [AD] PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28)

Designated contracting state (EPC)

BE DE GB IT

EPO simple patent family

EP 0987104 A1 20000322; EP 0987104 B1 20030611; DE 69908725 D1 20030717; DE 69908725 T2 20040422; JP 2000094846 A 20000404; JP 4213311 B2 20090121

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