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EP0012944A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Colour-fast monoazo pigment mixtures stable against recrystallisation, process for their preparation and their use

Assignee: Hoechst AG
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Filing: 1979-12-13
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Granted: —
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Expires: 1999-12-13
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Abstract

Abstract Translated from German Durch Kupplung von diazotierten Aminen der Benzolreihe auf Acetessigsäurearylide, wobei mehr als eine Diazo- und/oder Kupplungskomponente eingesetzt werden und 0,1 bis 20 Mol.-% der Diazo- und/oder Kupplungskomponente saure Gruppen enthalten, und anschließende Umsetzung der reaktionsfähigen sauren Gruppen des Kupplungsprodukts mit Kation-aktiven quaternären Verbindungen werden rekristallisationsstabile farbstarke Monoazopigmentgemische erhalten, die zur Herstellung von Lacken, Druckfarben, öligen und wäßrigen Präparationen geeignet sind. By coupling diazotized amines from the benzene series to acetoacetic arylides, using more than one diazo and / or coupling component and containing 0.1 to 20 mol% of the diazo and / or coupling component, and then reacting the reactive acidic groups of the coupling product with cation-active quaternary compounds, recrystallization-stable, strong-color monoazo pigment mixtures are obtained which are suitable for the production of lacquers, printing inks, oily and aqueous preparations.

Inventors

  • 👤 Klaus Dr. Ehl
  • 👤 Reinhold Dr. Deubel

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 19:13
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0033; C09B67/0046; C09B67/0051; C09B29/00; C09B29/32; C09B29/33; C09B69/00; C09B69/02; C09B69/04; C09B69/045; Y; Y10; Y10S; Y10S534/00; Y10S534/01

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