Global Patent Index - EP 0539001 A1

EP 0539001 A1 19930428 - Fluorescent colorant donor ribbons for thermal transfer imaging.

Title (en)

Fluorescent colorant donor ribbons for thermal transfer imaging.

Title (de)

Auf thermischem Wege übertragbare, fluoreszierende Farbstoffbänder für wärmeempfindliche Aufzeichnung.

Title (fr)

Rubans donneurs de colorants fluorescents pour l'enregistrement par le transfert thermique.

Publication

EP 0539001 A1 19930428 (EN)

Application

EP 92307718 A 19920824

Priority

US 78446991 A 19911025

Abstract (en)

A donor ribbon construction suitable for thermal mass transfer imaging comprises a fluorescent colorant donor layer over-coated or alternated with an opaque white donor layer. Alternative constructions are disclosed in which donor layers containing fluorescent colorant or opaque white background pigments are interspersed alternated, or over-coated on a substrate. A process for transferring a fluorescent colorant image is also disclosed.

IPC 1-7

B41M 5/38; B41M 5/40

IPC 8 full level

B41M 5/26 (2006.01); B41M 5/30 (2006.01); B41M 5/385 (2006.01); B41M 5/39 (2006.01); B41M 5/40 (2006.01)

CPC (source: EP KR)

B41M 1/14 (2013.01 - KR); B41M 5/385 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

EP 0539001 A1 19930428; EP 0539001 B1 19950621; CA 2076186 A1 19930426; DE 69203073 D1 19950727; DE 69203073 T2 19960125; JP H05212973 A 19930824; KR 930007680 A 19930520; TW 211545 B 19930821

DOCDB simple family (application)

EP 92307718 A 19920824; CA 2076186 A 19920814; DE 69203073 T 19920824; JP 28423592 A 19921022; KR 920019510 A 19921023; TW 81106512 A 19920818