EP 0767403 B1 20020417 - 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
DE 19536045 A 19950928
Abstract (en)
[origin: EP0767403A2] Thermographic material comprises a base; (a) binder layer(s) with a thermographic combination of an organic Ag salt (I) and an organic reducing agent (II) for (I); and (b) binder layer(s) contg. a thermographic combination of an acid-sensitive leuco dye (III) and an acidic cpd. (IV) acting as developer for (III), in which (III) and (IV) are in separate layers or are sepd. from one another in the same layer. The material comprises: (c) a layer of water- or alcohol-soluble polymer (V) between (a) and (b). Also claimed is a method of producing the material.
IPC 1-7
IPC 8 full level
B41M 5/28 (2006.01); B41M 5/30 (2006.01); B41M 5/323 (2006.01); B41M 5/40 (2006.01); G03C 1/498 (2006.01)
CPC (source: EP US)
G03C 1/4989 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DE 19536045 A1 19970403; DE 59609086 D1 20020523; EP 0767403 A2 19970409; EP 0767403 A3 19970730; EP 0767403 B1 20020417; JP H09109550 A 19970428; US 5753587 A 19980519
DOCDB simple family (application)
DE 19536045 A 19950928; DE 59609086 T 19960916; EP 96114797 A 19960916; JP 27287496 A 19960925; US 71519696 A 19960918