Invention Grant
- Patent Title: Laminate and optical article comprising the same
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Application No.: US16065027Application Date: 2016-12-22
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Publication No.: US10690943B2Publication Date: 2020-06-23
- Inventor: Katsuhiro Mori , Toshimitsu Hiraren , Manami Oshio
- Applicant: TOKUYAMA CORPORATION
- Applicant Address: JP Shunan-Shi
- Assignee: TOKUYAMA CORPORATION
- Current Assignee: TOKUYAMA CORPORATION
- Current Assignee Address: JP Shunan-Shi
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@19fee00f com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@434c691e com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@7779cdc8 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2b576d2a
- International Application: PCT/JP2016/089226 WO 20161222
- International Announcement: WO2017/115874 WO 20170706
- Main IPC: G02C7/10
- IPC: G02C7/10 ; B32B27/42 ; C08G18/10 ; G02C7/12 ; B32B27/36 ; B32B27/00 ; G02B5/23 ; G02B5/30 ; C08G18/73 ; C08G18/42 ; C08G18/78 ; C08G18/75 ; C08G18/76 ; C08G18/44 ; B32B23/20 ; C08G18/32 ; C08G18/48 ; C08G18/72 ; B32B27/08 ; B32B27/30 ; C08G18/79 ; B32B7/12 ; B32B23/08
Abstract:
To provide a laminate comprising a pair of polycarbonate optical sheet or film which are laminated together through a polarizing film layer and an adhesive layer of a photochromic composition comprising (I) a polyurethane urea resin and (II) a photochromic compound and having excellent photochromic properties, adhesion, heat resistance, perspiration resistance and excellent adhesion to a lens substrate.
Public/Granted literature
- US20190004336A1 LAMINATE AND OPTICAL ARTICLE COMPRISING THE SAME Public/Granted day:2019-01-03
Information query
