EP 0596224 B1 19990113 - 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 29702792 A 19921106
Abstract (en)
[origin: EP0596224A2] The heat-sensitive recording material disclosed comprises a colorless or pale colored dyestuff precursor, one or more salicylic acid derivative of the formula (1) or metal salt of the derivative and an aliphatic amide compound having 18 SIMILAR 60 carbon atoms in molecular structure, and is excellent in thermal response and preservation stability of white portions and images. <CHEM> wherein X1 and X2 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, Y1 and Y2 are an oxygen atom or a sulfur atom, R1 is a hydrogen atom, an alkyl group, an aralkyl group or an aryl group, and R2 is an alkyl group, an alkenyl group, an aralkyl group or an aryl group.
IPC 1-7
IPC 8 full level
B41M 5/333 (2006.01); B41M 5/337 (2006.01); B41M 5/30 (2006.01)
CPC (source: EP)
B41M 5/3335 (2013.01); B41M 5/3375 (2013.01); B41M 5/3336 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0596224 A2 19940511; EP 0596224 A3 19960703; EP 0596224 B1 19990113; DE 69323035 D1 19990225; DE 69323035 T2 19990610; JP 3156107 B2 20010416; JP H06143824 A 19940524
DOCDB simple family (application)
EP 93114804 A 19930915; DE 69323035 T 19930915; JP 29702792 A 19921106