Invention Grant
- Patent Title: Polycarbonate copolymer, optical lens and film in which said polycarbonate copolymer is used, and method for producing said copolymer
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Application No.: US16090404Application Date: 2017-04-03
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Publication No.: US10689487B2Publication Date: 2020-06-23
- Inventor: Manabu Hirakawa
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5ea03aed
- International Application: PCT/JP2017/013869 WO 20170403
- International Announcement: WO2017/175693 WO 20171012
- Main IPC: C08G64/02
- IPC: C08G64/02 ; C08G64/16 ; G02B1/04 ; C08G64/30 ; C08J5/18
Abstract:
The present invention makes it possible to provide a polycarbonate copolymer including structural units represented by general formula (K) and structural units represented by general formula (1). (In general formula (K), R represents H, CH3 or CH2CH3.) (In general formula (1), Q represents a C5 or higher aliphatic hydrocarbon group optionally including a hetero atom.).
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