公开(公告)号：US20230399563A1

公开(公告)日：2023-12-14

申请号：US18238193

申请日：2023-08-25

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yuko ARAI ,  Kei KOBAYASHI ,  Yusuke NUSHI ,  B Mark HERON ,  Christopher D. GABBUTT ,  Orlando Delfim Carvalho Couto De AZEVEDO

IPC: C09K9/02 ,  C09K19/04 ,  G02C7/10

CPC classification number: C09K9/02 ,  C09K19/04 ,  G02C7/102 ,  C09K2019/0448 ,  C09K2211/1033 ,  C09K2211/1088

Abstract: 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,
R3 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.

公开(公告)号：US20250100989A1

公开(公告)日：2025-03-27

申请号：US18833238

申请日：2023-01-31

Applicant: HOYA LENS THAILAND LTD

Inventor： Hironori KAWAKAMI ,  Kei KOBAYASHI ,  Takeshi HIGUCHI

IPC: C07D311/92 ,  C07D405/10 ,  C07D413/10 ,  C09K9/02 ,  G02C7/10

Abstract: A photochromic compound represented by General Formula 1, wherein R represents an unsubstituted aliphatic monocyclic ring with 6 or less carbon atoms (including a carbon atom at the 13-position of an indeno-fused naphthopyran), and R1 to R8, B, and B′ each independently represent a hydrogen atom or a substituent, provided that one or more of R1 to R8 represent electron-withdrawing groups.

公开(公告)号：US20230416218A1

公开(公告)日：2023-12-28

申请号：US18207800

申请日：2023-06-09

Applicant: HOYA LENS THAILAND LTD.

Inventor： Hironori KAWAKAMI ,  Kei KOBAYASHI ,  Aoi MATSUE

IPC: C07D311/92 ,  G03C1/73 ,  G02C7/02

CPC classification number: C07D311/92 ,  G02C7/02 ,  G03C1/733

Abstract: Provided are a photochromic compound represented by General Formula 1, and the like. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure.

公开(公告)号：US20230359068A1

公开(公告)日：2023-11-09

申请号：US18029697

申请日：2021-10-05

Applicant: HOYA LENS THAILAND LTD.

Inventor： Hironori KAWAKAMI ,  Aoi MATSUE ,  Kei KOBAYASHI

IPC: G02C7/10 ,  C07D311/94 ,  C07D413/14

CPC classification number: G02C7/102 ,  C07D311/94 ,  C07D413/14

Abstract: An optical article including one or more photochromic compounds selected from group consisting of compound represented by general formula 1 and compound represented by general formula 2. In general formula 1, R1 to R8, and B1 and B2 each represent hydrogen atom or substituent, and at least either of B1 and B2 represents monovalent group represented by general formula 3; in general formula 2, R9 to R16, and B3 and B4 each represent hydrogen atom or substituent, and at least either of B3 and B4 represents monovalent group represented by general formula 3; and in general formula 3, Ar1 represents aryl group or heteroaryl group, R18 represents hydrogen atom or substituent, Ar1 and R18 may be coupled to form ring structure via single bond or divalent linking group, and * represents bonding position to adjacent carbon atom.

公开(公告)号：US20230340318A1

公开(公告)日：2023-10-26

申请号：US18122935

申请日：2023-03-17

Applicant: HOYA LENS THAILAND LTD.

Inventor： Hironori KAWAKAMI ,  Kei KOBAYASHI ,  Aoi MATSUE ,  Takuya SHIMADA ,  Teruo YAMASHITA

IPC: C09K9/02 ,  C07D311/78 ,  G02B1/04 ,  G02C7/02

CPC classification number: C09K9/02 ,  C07D311/78 ,  G02B1/04 ,  G02C7/02 ,  C09K2211/1018

Abstract: 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.

公开(公告)号：US20230323197A1

公开(公告)日：2023-10-12

申请号：US18209034

申请日：2023-06-13

Applicant: HOYA LENS THAILAND LTD.

Inventor： Hironori KAWAKAMI ,  Aoi MATSUE ,  Kei KOBAYASHI

IPC: C09K9/02 ,  G02B1/10

CPC classification number: C09K9/02 ,  C09K2211/1018 ,  G02B1/10

Abstract: Provided is a photochromic compound represented by the following General Formula 1. In General Formula 1, Az represents a monovalent azine ring group which is unsubstituted or has a substituent, L represents a divalent or higher linking group, D represents a photochromic dye structure, a and c each independently represent an integer of 1 or more, b represents 0 or an integer of 1 or more; and when there are a plurality of Az's in General Formula 1, the plurality of Az's may be the same as or different from each other, and when there are a plurality of L's in General Formula 1, the plurality of L's may be the same as or different from each other.

公开(公告)号：US20230227717A1

公开(公告)日：2023-07-20

申请号：US18122949

申请日：2023-03-17

Applicant: HOYA LENS THAILAND LTD.

Inventor： Hironori KAWAKAMI ,  Kei KOBAYASHI ,  Aoi MATSUE ,  Takuya SHIMADA ,  Teruo YAMASHITA

IPC: C09K9/02

CPC classification number: C09K9/02 ,  C09K2211/1088

Abstract: The photochromic composition contains one or more compounds represented by General Formula A, one or more compounds represented by General Formula B, and one or more compounds represented by General Formula C is provided. In General Formula A, R1 to R6, B1, and B2 each independently represent a hydrogen atom or a substituent. In General Formula B, R7 to R12, B3, and B4 each independently represent a hydrogen atom or a substituent, and R13 and R14 each independently represent an electron-donating group. In General Formula C, R15 to R20, B5, and B6 each independently represent a hydrogen atom or a substituent, and one of R21 and R22 represents a hydrogen atom and the other represents an electron-donating group.

公开(公告)号：US20220251319A1

公开(公告)日：2022-08-11

申请号：US17705700

申请日：2022-03-28

Applicant: HOYA LENS THAILAND LTD.

Inventor： Takuya SHIMADA ,  Kei KOBAYASHI ,  Teruo YAMASHITA ,  Tsuyoshi WATANABE

IPC: C08J7/043 ,  G02B1/04 ,  C08J7/04 ,  C08J7/12

Abstract: 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 generated by curing a (meth)acrylate-based polymerizable composition containing a photochromic compound in this order, in which the polymerizable composition for forming the primer layer contains a component A: polyisocyanate and a component B: hydroxy group-containing (meth)acrylate.

公开(公告)号：US20220220235A1

公开(公告)日：2022-07-14

申请号：US17705954

申请日：2022-03-28

Applicant: HOYA LENS THAILAND LTD.

Inventor： Takuya SHIMADA ,  Kei KOBAYASHI ,  Teruo YAMASHITA ,  Tsuyoshi WATANABE

IPC: C08F120/14 ,  G02B1/04 ,  G02B5/23

Abstract: 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 hydroxy group-containing (meth)acrylate.