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EP0441282A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Bichromophore methine and azamethine dyestuffs and a process for their transfer

Assignee: BASF SE
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Filing: 1991-02-04
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Granted: —
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Expires: 2011-02-04
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Abstract

Abstract Translated from German Bichromophore Farbstoffe der Formel Z²-Z¹-LY¹-Y² in der L ein Brückenglied, das keine Konjugation von π-Elektronen zwischen den Resten Z¹ und Y¹ zuläßt, Y¹ und Z¹ unabhängig voneinander einen gegebenenfalls benzoanellierten Aminophenylenrest oder einen heterocyclischen Rest und Y² und Z² unabhängig voneinander einen gegebenenfalls benzoanellierten Benzochinoniminrest oder einen heterocyclischen Rest bedeuten sowie ein Verfahren zu ihrer Übertragung. Bichromophoric dyes of the formula Z²-Z¹-LY¹-Y² in which L is a bridging member which does not allow conjugation of π electrons between the residues Z¹ and Y¹, Y¹ and Z¹ independently of one another optionally an benzo-fused aminophenylene residue or a heterocyclic residue and Y² and Z² independently are an optionally benzo-fused benzoquinone imine residue or a heterocyclic residue and a process for their transfer.

Inventors

  • 👤 Volker Dr. Bach
  • 👤 Karl-Heinz Etzbach
  • 👤 Ruediger Dr. Sens

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 18:20
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/385; C; C09; C09B; C09B23/00; C09B23/10; C09B23/105; C09B53/00; C09B53/02; C09B55/00; C09B55/009; B41M5/3854; B41M5/3856; B41M5/39

Claims Analysis

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References Cited (Backward Citations)

DE3524519A1 Cited
JPS62181381A Cited
EP0227096A2 Cited
EP0250954A2 Cited

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