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EP0061151A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Solid preparations of water soluble reactive dyes and their use in dyeing or printing fibrous materials

Assignee: Hoechst AG
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Filing: 1982-03-18
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Granted: —
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Expires: 2002-03-18
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Abstract

Abstract Translated from German Feste, pulverförmige Farbstoffzubereitungen von faserreaktiven Farbstoffen, die als Hilfsmittel, das die Löslichkeit der Farbstoffe in salzhaltigen und alkalischen wäßrigen Klotzflotten gewährleisten soll, ein Kondensationsprodukt aus einer Dialkylnaphthalin-sulfonsäure oder eines Gemisches zweier oder mehrer Dialkylnaphthalinsulfonsäuren mit Formaldehyd enthalten. Solid, powdery dye preparations of fiber-reactive dyes, which, as an aid which is intended to ensure the solubility of the dyes in saline and alkaline aqueous padding liquors, contain a condensation product of a dialkylnaphthalenesulfonic acid or a mixture of two or more dialkylnaphthalenesulfonic acids with formaldehyde.

Inventors

  • 👤 Ludwig Dr. Schläfer
  • 👤 Heinz Uhrig

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 03:59
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/38; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0072; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918

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