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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Priority to JP12598076ApriorityCriticalpatent/JPS5350294A/en
Publication of JPS5350294ApublicationCriticalpatent/JPS5350294A/en
PURPOSE: To prepare the title polymer of improved water-vapor barrier properties without impairing other physical properties by copolymerization between 2,3-bis (4-hydroxyphenyl) propare, 1,1-bas (4-hydroxyphenyl) cyclohexane and an aromatic dibasic acid.
COPYRIGHT: (C)1978,JPO&Japio
JP12598076A1976-10-191976-10-19Aromatic polyester copolymer and its preparation
PendingJPS5350294A
(en)