Global Patent Index - EP 0767403 A3

EP 0767403 A3 19970730 - Heat-sensitive recording material

Title (en)

Heat-sensitive recording material

Title (de)

Wärmeempfindliches Aufzeichnungsmaterial

Title (fr)

Matériau d'enregistrement sensible à la chaleur

Publication

EP 0767403 A3 19970730 (DE)

Application

EP 96114797 A 19960916

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

G03C 1/498

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)

Citation (search report)

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