EP 0420036 B1 19940518 - 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 3932523 A 19890929
Abstract (en)
[origin: EP0420036A1] Use for thermal transfer printing of azo dyes I <IMAGE> where R<1> and R<2> are each H; alkyl, alkoxyalkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl, alkoxycarbonylalkyl, haloalkyl, hydroxyalkyl or cyanoalkyl each of up to 20 carbon atoms which may each be substituted by phenyl, C1-C4-alkylphenyl, C1-C4-alkoxyphenyl, halophenyl, benzyloxy, C1-C4-alkylbenzyloxy, C1-C4-alkoxybenzyloxy, halobenzyloxy, halogen, hydroxyl or cyano; phenyl or cyclohexyl, which may each be substituted by C1-C15-alkyl, C1-C15-alkoxy, halogen or benzyloxy; a radical II [-W-O]n-R<4> II where W is identical or different C2-C6-alkylene, n is from 1 to 6, R<4> is C1-C4-alkyl or phenyl which may be substituted by C1-C4-alkyl or C1-C4-alkoxy; R<3> is H, NH2, OH or C1-C3-alkyl; X is H, Cl, Br, NO2, methyl, phenoxy, tolyloxy, dimethylphenyloxy, chlorophenoxy or C1-C4-alkoxy; Y is H, Cl or Br; Z is H, acetyl, carbamoyl or cyano.
IPC 1-7
IPC 8 full level
B41M 5/385 (2006.01); B41M 5/26 (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); Y10T 428/31507 (2015.04 - EP US); Y10T 428/31786 (2015.04 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0420036 A1 19910403; EP 0420036 B1 19940518; DE 3932523 A1 19910411; DE 59005730 D1 19940623; JP H03126591 A 19910529; US 5093308 A 19920303
DOCDB simple family (application)
EP 90118082 A 19900920; DE 3932523 A 19890929; DE 59005730 T 19900920; JP 25762690 A 19900928; US 59013090 A 19900928