Invention Grant
- Patent Title: Thermally stable, low birefringent copolyimide films
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Application No.: US13588414Application Date: 2012-08-17
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Publication No.: US11084906B2Publication Date: 2021-08-10
- Inventor: Limin Sun , Dong Zhang , Jiaokai Jing , Frank W. Harris
- Applicant: Limin Sun , Dong Zhang , Jiaokai Jing , Frank W. Harris
- Applicant Address: US OH Copley; US OH Uniontown; US OH Uniontown; US FL Boca Raton
- Assignee: Limin Sun,Dong Zhang,Jiaokai Jing,Frank W. Harris
- Current Assignee: Limin Sun,Dong Zhang,Jiaokai Jing,Frank W. Harris
- Current Assignee Address: US OH Copley; US OH Uniontown; US OH Uniontown; US FL Boca Raton
- Agency: Benesch, Friedlander, Coplan & Aronoff LLP
- Main IPC: C08L79/08
- IPC: C08L79/08 ; C08G73/10 ; B32B27/28 ; C08J5/18 ; C08J5/04 ; B32B17/10
Abstract:
A class of solvent resistant, flexible copolyimide substrates having high optical transparency (>80% from 400 to 750 nm) that is retained after brief exposure to 300° C., near-zero birefringence (
Public/Granted literature
- US20130216803A1 THERMALLY STABLE, LOW BIREFRINGENT COPOLYIMIDE FILMS Public/Granted day:2013-08-22
Information query
