- 专利标题: PHOTOCHROMIC COMPOUND, PHOTOCHROMIC ARTICLE AND EYEGLASSES
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申请号: US17708953申请日: 2022-03-30
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公开(公告)号: US20220315831A1公开(公告)日: 2022-10-06
- 发明人: Yuko ARAI , Kei KOBAYASHI , Yusuke NUSHI , Mark HERON , Christopher GABBUTT , Orlando Delfim Carvalho Couto De AZEVEDO
- 申请人: HOYA LENS THAILAND LTD.
- 申请人地址: TH Pathumthani
- 专利权人: HOYA LENS THAILAND LTD.
- 当前专利权人: HOYA LENS THAILAND LTD.
- 当前专利权人地址: TH Pathumthani
- 优先权: JP2021-062097 20210331,JP2022-026474 20220224
- 主分类号: C09K9/02
- IPC分类号: C09K9/02 ; G02C7/10 ; C09K19/04
摘要:
The photochromic compound is represented by the following general formula (1): wherein, X denotes an oxygen atom or a nitrogen atom unsubstituted or substituted by a substituent selected from the following Y1 group: Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, Ra denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote any one of the divalent groups selected from the following group: l, m, and n are each independently 0 or 1, provided that n is 0 if m is 0, Y2 denotes a hydrogen atom or the like, R denotes a hydrogen atom or the like, denotes a norbornylidene group or the like.
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