Global Patent Index - EP 2112000 B1

EP 2112000 B1 20110119 - Heat sensitive recording material

Title (en)

Heat sensitive recording material

Title (de)

Wärmeempfindliches Aufzeichnungsmaterial

Title (fr)

Matériel d'enregistrement sensible à la chaleur

Publication

EP 2112000 B1 20110119 (DE)

Application

EP 08007917 A 20080424

Priority

  • EP 08007917 A 20080424
  • JP 2008083757 A 20080327

Abstract (en)

[origin: EP2112000A1] Heat-sensitive recording material comprises a substrate comprising a heat-sensitive recording layer on at least one side, where: the heat-sensitive recording layer contains an isocyanate components, and a leuco dye system comprising dye precursor and a dye acceptor reacting with each other under the influence of heat to form a dye; the dye acceptor comprises at least N-(para-toluenesulfonyl)-N'-3-(para-toluenesulfonyl-oxyphenyl) urea; and the heat-sensitive recording layer comprises an imino component that forms an anti-fade system together with the isocyanate components.

IPC 8 full level

B41M 5/333 (2006.01); B41M 5/337 (2006.01)

CPC (source: EP)

B41M 5/3333 (2013.01); B41M 5/3375 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 2112000 A1 20091028; EP 2112000 B1 20110119; EP 2112000 B8 20110330

DOCDB simple family (application)

EP 08007917 A 20080424