公开(公告)号：US10907028B2

公开(公告)日：2021-02-02

申请号：US16113603

申请日：2018-08-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa Kousaka ,  Natsumi Tasaki

IPC: G02B1/04 ,  G02B5/22 ,  C08K5/3475 ,  C08L101/00

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

公开(公告)号：US10544283B2

公开(公告)日：2020-01-28

申请号：US15557223

申请日：2016-03-11

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa Kousaka ,  Natsumi Tasaki

IPC: C09K5/00 ,  C08K5/521 ,  G02C7/02 ,  C08G18/38 ,  C08G18/76 ,  G02B1/04

Abstract: An iso(thio)cyanate composition has excellent storage stability. The iso(thio)cyanate composition for an optical component includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2), a total amount of the phosphoric acid ester compounds being 1 ppm to 25,000 ppm, based on the mass of the iso(thio)cyanate compound.

公开(公告)号：US11814493B2

公开(公告)日：2023-11-14

申请号：US16583384

申请日：2019-09-26

Applicant: HOYA LENS THAILAND LTD.

Inventor： Takako Ishizaki ,  Katsushi Hamakubo ,  Natsumi Tasaki

IPC: C08J7/043 ,  G02B1/14 ,  C09D163/00 ,  C09D171/08 ,  G02B1/12 ,  C08J7/046 ,  C08K3/36 ,  C08K5/00 ,  C08K5/54 ,  C08K3/22

CPC classification number: C08J7/043 ,  C08J7/046 ,  C09D163/00 ,  C09D171/08 ,  G02B1/12 ,  G02B1/14 ,  C08K3/36 ,  C08K5/0025 ,  C08K5/5403 ,  C08K2003/2244

Abstract: Provided are [1] a coating composition containing inorganic oxide particles (A), an epoxy compound (b1) having an organosilane moiety, a polyglycerol polyglycidyl ether (b2) having three or more epoxy groups, and a photocationic polymerization initiator (C), [2] a spectacle lens including a hard coat layer obtainable by curing the coating composition described in [1] above and a substrate, and [3] a method for producing a spectacle lens, including a step of applying the coating composition described in [1] above onto a substrate and a step of curing the applied coating composition by irradiation with light.

公开(公告)号：US10745539B2

公开(公告)日：2020-08-18

申请号：US16222577

申请日：2018-12-17

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa Kousaka ,  Natsumi Tasaki

IPC: C08L101/00 ,  G02B1/04 ,  G02B5/22 ,  C08K5/3475

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

公开(公告)号：US11267953B2

公开(公告)日：2022-03-08

申请号：US16721999

申请日：2019-12-20

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa Kousaka ,  Natsumi Tasaki

IPC: C08L75/04 ,  C08K5/521 ,  G02C7/02 ,  G02B1/04 ,  C08G18/38 ,  C08G18/76

Abstract: An iso(thio)cyanate composition for an optical component has excellent storage stability. The iso(thio)cyanate composition includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2). A total amount of the phosphoric acid ester compounds is 1 ppm or greater and less than 25,000 ppm, based on the mass of the iso(thio)cyanate compound. A molar ratio of the phosphoric acid ester compound represented by general formula (1) and the phosphoric acid ester compound represented by general formula (2) is 30/70 to 70/30.

公开(公告)号：US11001699B2

公开(公告)日：2021-05-11

申请号：US16113603

申请日：2018-08-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa Kousaka ,  Natsumi Tasaki

IPC: G02B1/04 ,  G02B5/22 ,  C08K5/3475 ,  C08L101/00

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

公开(公告)号：US10947365B2

公开(公告)日：2021-03-16

申请号：US16113673

申请日：2018-08-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa Kousaka ,  Natsumi Tasaki

IPC: G02B1/04 ,  G02B5/22 ,  C08K5/3475 ,  C08L101/00

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).