Invention Grant
- Patent Title: Transparent film and transparent electrode
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Application No.: US17057435Application Date: 2019-05-31
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Publication No.: US11446899B2Publication Date: 2022-09-20
- Inventor: Nobuhiko Kusumoto , Keisuke Konomi , Madoka Yamaguchi
- Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Applicant Address: JP Tokyo
- Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Current Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JPJP2018-105967 20180601,JPJP2018-203798 20181030
- International Application: PCT/JP2019/021799 WO 20190531
- International Announcement: WO2019/230966 WO 20191205
- Main IPC: C08L69/00
- IPC: C08L69/00 ; B32B27/36 ; H01B5/14 ; B32B7/023 ; G06F3/041

Abstract:
Provided is a transparent film having advantages such as excellent heat resistance, a birefringence that is not easily affected by the film forming conditions, and being uniform. According to one embodiment, there is provided a transparent film including a resin composition that includes a polycarbonate resin (A) having a structural unit represented by formula (1) and having a photoelastic coefficient of 80×10−12 m2/N or less.
Public/Granted literature
- US20210206966A1 TRANSPARENT FILM AND TRANSPARENT ELECTRODE Public/Granted day:2021-07-08
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