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EP0267517A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Branched polyoxyalkylene polyesters, process for their preparation and their use

Assignee: Hoechst AG
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Filing: 1987-11-03
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Granted: —
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Expires: 2007-11-03
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Abstract

Abstract Translated from German Es werden verzweigte Polyoxalkylenmischpolyester beschrieben, die hergestellt werden, indem ein oxalkyliertes primäres Fettamin und ein mindestens 3wertiges oxalkyliertes Alkanol oder ein oxalkylier­tes Polyamin mit einer Dicarbonsäure oder einem Dicarbonsäureanhydrid unter Polykondensation ver­estert werden. Die neuen verzweigten Polyoxalkylen­mischpolyester werden als Demulatoren für die Spaltung von Rohölemulsionen verwendet. Branched polyoxalkylene mixed polyesters are described which are prepared by esterifying an oxyalkylated primary fatty amine and an at least trivalent oxyalkylated alkanol or an oxyalkylated polyamine with a dicarboxylic acid or a dicarboxylic acid anhydride with polycondensation. The new branched polyoxalkylene mixed polyesters are used as demulators for the splitting of crude oil emulsions.

Inventors

  • 👤 Willibald Dr. Böse
  • 👤 Manfred Dr. Hofinger
  • 👤 Martin Dr. Hille
  • 👤 Roland Böhm
  • 👤 Friedrich Staiss

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 22:44
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C10; C10G; C10G33/00; C10G33/04

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