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EP0133156A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

1,4-Diketopyrrolo-(3,4-c) pyrroles

Assignee: Novartis AG
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Filing: 1984-06-25
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Granted: —
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Expires: 2004-06-25
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Abstract

Abstract Translated from German Verbindungen der Formel worin R 1 , R 2 , R 3 und R. die in Anspruch 1 angegebenen Bedeutungen haben, eignen sich zum Färben von hochmolekularem organischem Material. Compounds of the formula wherein R 1 , R 2 , R 3 and R. have the meanings given in claim 1, are suitable for dyeing high molecular weight organic material.

Inventors

  • 👤 Max Jost
  • 👤 Abul Dr. Iqbal
  • 👤 Alain Claude Dr. Rochat

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 20:35
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415; C09; C09B; C09B57/00; C09B57/004; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922; Y10S8/924; Y10S8/928

Claims Analysis

Total Claims: 0
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