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公开(公告)号:US20220289878A1
公开(公告)日:2022-09-15
申请号:US17706015
申请日:2022-03-28
摘要: Provided is a polymerizable composition for an optical article including a photochromic compound, a component A: an acyclic methacrylate having a molecular weight of 500 or more, and a component B: a (meth)acrylate having a molecular weight of 400 or less and represented by Formula 1. In Formula 1, R1 and R2 each independently represent a hydrogen atom or a methyl group, m represents an integer of 1 or more.
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公开(公告)号:US20220221782A1
公开(公告)日:2022-07-14
申请号:US17705659
申请日:2022-03-28
摘要: Provided is an optical article having a substrate, a primer layer generated by curing a polymerizable composition for forming the primer layer, and a photochromic layer containing a photochromic compound in this order, in which the polymerizable composition for forming the primer layer contains a component A: a polyisocyanate, a component B: a hydroxy group-containing polymerizable compound, and a component C: a polymerizable compound having a viscosity of 100 cP or less and being selected from the group consisting of (meth)acrylates and vinyl ethers.
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公开(公告)号:US20240317703A1
公开(公告)日:2024-09-26
申请号:US18275033
申请日:2021-09-30
发明人: Takuya SHIMADA , Yusuke NUSHI , Teruo YAMASHITA
IPC分类号: C07D311/92 , B29D11/00 , C08F2/44 , G02B1/04
CPC分类号: C07D311/92 , B29D11/00653 , C08F2/44 , G02B1/04
摘要: There are provided indeno-fused naphthopyran compound particles having a degree of crystallization of 60.00% or more and a maximum melting rate of 25% or less at a temperature of 200° C. or lower in a melting curve.
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公开(公告)号:US20230032602A1
公开(公告)日:2023-02-02
申请号:US17954715
申请日:2022-09-28
摘要: Provided is a polymerizable composition for an optical article including a photochromic compound, an acyclic methacrylate having a molecular weight of 500 or more (a component A), and a bifunctional (meth)acrylate containing a structure selected from the group consisting of a cyclic structure and a branch structure (component B).
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公开(公告)号:US20220186043A1
公开(公告)日:2022-06-16
申请号:US17442809
申请日:2020-03-27
发明人: Takuya SHIMADA , Teruo YAMASHITA
IPC分类号: C09D5/29 , C09D4/00 , C09D135/02 , C08F222/10 , G02B1/111 , G02C7/10
摘要: A coating composition for an optical article containing a photochromic compound and two or more (meth)acrylates, the two or more (meth)acrylates containing a non-cyclic difunctional methacrylate having a molecular weight of 500 or more and a non-cyclic tri- or higher functional (meth)acrylate.
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公开(公告)号:US20220163711A1
公开(公告)日:2022-05-26
申请号:US17442783
申请日:2020-03-27
发明人: Takuya SHIMADA , Teruo YAMASHITA
摘要: A spectacle lens including a lens substrate and a photochromic layer, wherein the photochromic layer is a cured layer of a curable composition containing a photochromic compound and a plurality of curable compounds, a surface Martens hardness of the photochromic layer is 5.0 kgf/mm2 or more, and the plurality of curable compounds contain components (1) to (3) below: (1) neopentyl glycol di(meth)acrylate; (2) a curable compound having an L-scale Rockwell hardness of homopolymer of 60 or more; and (3) a curable compound having an L-scale Rockwell hardness of homopolymer of 40 or less.
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公开(公告)号:US20240141178A1
公开(公告)日:2024-05-02
申请号:US18275030
申请日:2021-09-30
发明人: Takuya SHIMADA , Yusuke NUSHI , Teruo YAMASHITA
IPC分类号: C09D5/29 , C07D311/94 , C08F222/10 , C08K5/1545 , C09D7/63 , C09D135/02 , C09K9/00 , G02C7/10
CPC分类号: C09D5/29 , C07D311/94 , C08F222/1063 , C08K5/1545 , C09D7/63 , C09D135/02 , C09K9/00 , G02C7/102 , C08F2800/20 , C09K2211/1018
摘要: There are provided indeno-fused naphthopyran compound particles having a degree of crystallization of 10.00% or less and a maximum primary particle size of 200 μm or less.
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公开(公告)号:US20240103200A1
公开(公告)日:2024-03-28
申请号:US18269003
申请日:2021-12-24
申请人: Hironori KAWAKAMI , Kei KOBAYASHI , Aoi MATSUE , Takuya SHIMADA , Teruo YAMASHITA , HOYA LENS THAILAND LTD.
IPC分类号: G02B1/04 , C07D311/94 , G02C7/02
CPC分类号: G02B1/041 , C07D311/94 , G02C7/02
摘要: A photochromic composition contains, in a predetermined combination: one or more photochromic compounds represented by General Formula 1; and one or more selected from the group consisting of a photochromic compound represented by General Formula A, a photochromic compound represented by General Formula B, and a photochromic compound represented by General Formula C.
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公开(公告)号:US20220220240A1
公开(公告)日:2022-07-14
申请号:US17705593
申请日:2022-03-28
IPC分类号: C08F220/20 , C09D7/48 , C09D133/08 , G02C7/10
摘要: Provided a polymerizable composition for forming a protective layer of a photochromic article including one or more types of (meth)acrylates and 70.0 mass % or more of an alicyclic bifunctional (meth)acrylate based on a total amount of the (meth)acrylates.
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公开(公告)号:US20230340318A1
公开(公告)日:2023-10-26
申请号:US18122935
申请日:2023-03-17
IPC分类号: C09K9/02 , C07D311/78 , G02B1/04 , G02C7/02
CPC分类号: C09K9/02 , C07D311/78 , G02B1/04 , G02C7/02 , C09K2211/1018
摘要: The photochromic compound is represented by General Formula 1 . R30 and R31 each independently represent a linear or branched alkyl group having 2 or more carbon atoms, which is unsubstituted or has one or more substituents; a cyclic alkyl group having 3 or more carbon atoms which is unsubstituted or has one or more substituents; or represents a group represented by - (R100) nR101 which is unsubstituted or has one or more substituents, R100 represents an alkyleneoxy group, R101 represents an alkyl group, n represents an integer of 1 or more, a total number of carbon atoms of n alkyleneoxy groups represented by R100 and alkyl groups represented by R101 is 2 or more, R32 to R35 each independently represent a hydrogen atom or a substituent other than an electron-attracting group, and R36, R37, B7 and B8 each independently represent a hydrogen atom or a substituent.
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