Global Patent Index - EP 0441208 B1

EP 0441208 B1 19940504 - Use of azo-dyes for thermal transfer printing.

Title (en)

Use of azo-dyes for thermal transfer printing.

Title (de)

Verwendung von Azofarbstoffen für den Thermotransferdruck.

Title (fr)

Utilisation de colorants azoiques pour l'impression thermique.

Publication

EP 0441208 B1 19940504 (DE)

Application

EP 91101022 A 19910126

Priority

DE 4003780 A 19900208

Abstract (en)

[origin: EP0441208A1] Use of azo dyes I <IMAGE> for thermal transfer printing, having the following meaning of the substituents: R<1> = H; C1-C15-alkyl, which can carry phenyl or phenoxy as substituents; cyclohexyl which can carry C1-C5-alkyl, C1-C5-alkoxy or halogen as substituents; phenyl which can carry C1-C5-alkyl, C1-C5-alkoxy, sulphonamido or halogen as substituents; thienyl which can carry C1-C5-alkyl or halogen as substituents, furanyl or pyridyl; a radical II [-W-O]n-R<4>     II where W = identical or different C2-C6-alkylene; n = 1 to 6; R<4> = C1-C4-alkyl or phenyl or benzyl which can both carry C1-C4-alkyl or C1-C4-alkoxy as substituents; R<2> and R<3> = H; alkyl, alkoxy, alkoxyalkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl, alkoxycarbonylalkyl, haloalkyl, hydroxyalkyl or cyanoalkyl each having up to 15 C atoms, which can carry phenyl, C1-C4-alkylphenyl, C1-C4-alkoxyphenyl, halophenyl, benzyloxy, C1-C4-alkylbenzyloxy, C1-C4-alkoxybenzyloxy, halobenzyloxy, halogen, hydroxyl or cyano as substituents; cyclohexyl which can carry C1-C15-alkoxy or halogen as substituents, phenyl which can carry C1-C15-alkyl, C1-C15-alkoxy, benzyloxy or halogen as substituents; a radical II; D = a radical of a diazo component III D-NH2 III.

IPC 1-7

B41M 5/38

IPC 8 full level

B41M 5/385 (2006.01); B41M 5/035 (2006.01); B41M 5/132 (2006.01); B41M 5/26 (2006.01); B41M 5/30 (2006.01); B41M 5/388 (2006.01); B41M 5/39 (2006.01); C09B 29/36 (2006.01); C09B 53/00 (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)

Citation (examination)

EP 0432705 A1 19910619 - EASTMAN KODAK CO [US]

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0441208 A1 19910814; EP 0441208 B1 19940504; DE 4003780 A1 19910814; DE 59101521 D1 19940609; JP 3001991 B2 20000124; JP H04357088 A 19921210; US 5158928 A 19921027; US RE34877 E 19950314

DOCDB simple family (application)

EP 91101022 A 19910126; DE 4003780 A 19900208; DE 59101521 T 19910126; JP 1540091 A 19910206; US 16610393 A 19931214; US 65277191 A 19910208