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公开(公告)号：US20230029776A1
公开(公告)日：2023-02-02
申请号：US17782991
申请日：2020-12-10
Applicant: IDEMITSU KOSAN CO.,LTD.
Inventor： Minoru SENGA , Kouichi SUGA , Yuko MURAKAMI
IPC: C08K7/14
Abstract: An aromatic polyether including structural units represented by the following formulas (1A) to (4A):
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