EP 0460463 B1 19941214 - Use of azo dyes in thermal transfer printing.
Title (en)
Use of azo dyes in thermal transfer printing.
Title (de)
Verwendung von Azofarbstoffen für den Thermotransferdruck.
Title (fr)
Utilisation de colorants azoiques pour l'impression par transfert thermique.
Publication
Application
Priority
DE 4018067 A 19900606
Abstract (en)
[origin: EP0460463A1] Use of azo dyes I <IMAGE> for thermal transfer printing, in which the substituents have the following meaning: X is a radical IIa or IIb <IMAGE> where R<1> is H; C1-C6-alkyl or phenyl which can carry C1-C4-alkyl, C1-C2-alkoxy, chlorine, bromine or cyano as substituents; R<2> is H; C1-C4-alkyl, C1-C4-alkoxy, chlorine or bromine; n is 1 or 2; K is the radical of a coupling component II H-K III from the aniline, aminonaphthaline, pyrazole, diaminopyridine, hydroxypyridone or tetrahydroquinoline series.
IPC 1-7
IPC 8 full level
B41M 5/035 (2006.01); B41M 5/26 (2006.01); B41M 5/30 (2006.01); B41M 5/385 (2006.01); B41M 5/388 (2006.01); B41M 5/39 (2006.01); D06P 5/13 (2006.01)
CPC (source: EP US)
B41M 5/388 (2013.01 - EP US); Y10S 428/913 (2013.01 - EP US); Y10S 428/914 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0460463 A1 19911211; EP 0460463 B1 19941214; DE 4018067 A1 19911212; DE 59103852 D1 19950126; JP H04232093 A 19920820; US 5200386 A 19930406
DOCDB simple family (application)
EP 91108420 A 19910524; DE 4018067 A 19900606; DE 59103852 T 19910524; JP 12894391 A 19910531; US 70837191 A 19910531