Invention Application
- Patent Title: POLYIMIDE, VARNISH, AND FILM
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Application No.: US17640484Application Date: 2020-09-09
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Publication No.: US20220372223A1Publication Date: 2022-11-24
- Inventor: Masatoshi HASEGAWA , Junichi ISHII , Daisuke WATANABE
- Applicant: ENEOS Corporation
- Applicant Address: JP Tokyo
- Assignee: ENEOS Corporation
- Current Assignee: ENEOS Corporation
- Current Assignee Address: JP Tokyo
- Priority: JP2019-164892 20190910
- International Application: PCT/JP2020/034172 WO 20200909
- Main IPC: C08G73/10
- IPC: C08G73/10 ; C08J5/18 ; C09D179/08

Abstract:
Provided is a polyimide having a repeating unit represented by the following Formula (1): wherein R1 represents a tetravalent group; R2 represents a divalent group; provided that at least one of R1's is represented by the following Formula (2); and among R2's, at least one group is represented by the following Formula (3), and at least one other group is represented by the following Formula (4):
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