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11.发明授权Process for the production of polyethylene terephthalate free of objectionable coloration 失效生产不含可目标颜色的聚乙烯聚乙二醇酯的方法
公开(公告)号：US3451971A
公开(公告)日：1969-06-24
申请号：US3451971D
申请日：1968-05-21
Applicant: ALLIED CHEM
Inventor： LAZARUS STANLEY D
IPC: C08G63/86 , C08G17/015
CPC classification number: C08G63/866
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