EP0076468A2
Expired / Lapsed
EP
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Process for the stabilisation of ethylene oxide polyethers
Assignee: Hoechst AG
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Filing: 1982-09-30
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Granted: —
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Expires: 2002-09-30
Abstract
Abstract Translated from German Es wird ein Verfahren zum Stabilisieren von Ethylenoxidpolyethern gegen Verfärbung beschrieben. Danach werden den Polyethern Phosphorsäure, Phosphorsäureester oder Mischungen davon in einer jeweils wirksamen Menge zugesetzt. A method for stabilizing ethylene oxide polyethers against discoloration is described. Then phosphoric acid, phosphoric acid esters or mixtures thereof are added to the polyethers in an effective amount in each case.
Inventors
- 👤 Peter Dr. Geymayer
- 👤 Erich Leidl
- 👤 Peter Minks
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 00:23
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/32; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521
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