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.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP5767677ApriorityCriticalpatent/JPS53143695A/en
Publication of JPS53143695ApublicationCriticalpatent/JPS53143695A/en
PURPOSE: To reduce the polycondensation time of a bis(oxyalkylene) terephthalate by adding a stabilizer when the polymerization degree reaches specific value.
COPYRIGHT: (C)1978,JPO&Japio
JP5767677A1977-05-201977-05-20Preparation of polyester
PendingJPS53143695A
(en)