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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co 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 Kuraray Co LtdfiledCriticalKuraray Co Ltd
Priority to JP13967175ApriorityCriticalpatent/JPS5263290A/en
Publication of JPS5263290ApublicationCriticalpatent/JPS5263290A/en
PURPOSE: In direct polyester polycondensation, (to produce) a polyester with good color tone is produced by conducting the esterification and polycondensation of terephthalic acid with specific physical properties in the presence of a phosphorus compound.
COPYRIGHT: (C)1977,JPO&Japio
JP13967175A1975-11-201975-11-20Production of polyester
PendingJPS5263290A
(en)