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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin LtdfiledCriticalTeijin Ltd
Priority to JP11360676ApriorityCriticalpatent/JPS5339392A/en
Publication of JPS5339392ApublicationCriticalpatent/JPS5339392A/en
PURPOSE: To prevent side reaction in the direct polymerization of polyethylene terephthalate by effecting the esterification in the presence of a specific nitrogen compound and an organic titanium compound.
COPYRIGHT: (C)1978,JPO&Japio
JP11360676A1976-09-241976-09-24Preparation of polyester
PendingJPS5339392A
(en)