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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denki Kagaku Kogyo KKfiledCriticalDenki Kagaku Kogyo KK
Priority to JP8358877ApriorityCriticalpatent/JPS5418899A/en
Publication of JPS5418899ApublicationCriticalpatent/JPS5418899A/en
PURPOSE: To prepare a colorless aromatic polymer having improved thermal stability at high temperature, by reacting an alkali metal salt of a divalent phenol with a dihalogenobenzenoid compound under specific condition.
COPYRIGHT: (C)1979,JPO&Japio
JP8358877A1977-07-141977-07-14Preparation of aromatic polymer having improved thermal stability
PendingJPS5418899A
(en)