EP 0992363 A1 20000412 - Heat-sensitive recording material
Title (en)
Heat-sensitive recording material
Title (de)
Wärmeempfindliches Aufzeichnungsmaterial
Title (fr)
Matériau d'enregistrement sensible à la chaleur
Publication
Application
Priority
JP 28757398 A 19981009
Abstract (en)
A heat-sensitive recording material comprises a support having formed thereon one or more heat-sensitive recording layers, wherein the one or more heat-sensitive recording layers include an electron donative colorless dye, an electron acceptive compound and an ultraviolet ray absorbing agent, and a distribution of the ultraviolet ray absorbing agent is such that an amount of the agent increases in a film thickness direction away from the support.
IPC 1-7
IPC 8 full level
B41M 5/28 (2006.01); B41M 5/30 (2006.01); B41M 5/337 (2006.01); B41M 5/40 (2006.01); B41M 5/46 (2006.01); B41M 5/42 (2006.01)
CPC (source: EP)
B41M 5/46 (2013.01); B41M 5/3375 (2013.01); B41M 5/42 (2013.01)
Citation (search report)
- [A] EP 0630758 A2 19941228 - MITSUBISHI PAPER MILLS LTD [JP]
- [A] GB 2171810 A 19860903 - RICOH KK
- [X] DATABASE WPI Section Ch Week 199646, Derwent World Patents Index; Class G05, AN 1996-460420, XP002128201
Designated contracting state (EPC)
DE ES FR GB
DOCDB simple family (publication)
EP 0992363 A1 20000412; EP 0992363 B1 20040922; DE 69920361 D1 20041028; DE 69920361 T2 20050217; ES 2230809 T3 20050501; JP 2000108519 A 20000418; JP 4156724 B2 20080924
DOCDB simple family (application)
EP 99307836 A 19991005; DE 69920361 T 19991005; ES 99307836 T 19991005; JP 28757398 A 19981009