Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Filing date
Publication date
Application filed by EI Du Pont de Nemours and CofiledCriticalEI Du Pont de Nemours and Co
Priority to ES471201ApriorityCriticalpatent/ES471201A1/es
Publication of ES471201A1publicationCriticalpatent/ES471201A1/es
Mejoras introducidas en procedimiento de preparación de un copoliéter-glicol por copolimerización de un óxido de alquileno o de un acetal cíclico y tetrahidrofurano, empleando agua o un alcanodiol como terminador de cadena la mejora que consiste en utilizar como catalizador un polímero de monómeros monoetilénicamente insaturados, conteniendo el polímero grupos de fórmula **(Fórmula)**.
ES471201A1978-06-271978-06-27Mejoras introducidas en un procedimiento de preparacion de un copolieter-glicol
ExpiredES471201A1
(es)