公开(公告)号：US20220185944A1

公开(公告)日：2022-06-16

申请号：US17598092

申请日：2020-03-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Yukio KAGEYAMA ,  Tomofumi OHNISHI ,  Yoshio SANO

IPC: C08G18/76 ,  G02B1/04 ,  G02C7/02 ,  C08G18/38

Abstract: A polymerizable composition for optical components, which can prevent the occurrence of coloring while keeping the required strength for optical components when an optical component is produced using the polymerizable composition for optical components. The polymerizable composition for optical components according to the present embodiment includes a polyisocyanate compound (A) and a polythiol compound (B1) and has an equivalent ratio (A/B1) of 80/100 to 95/100, wherein the equivalent ratio (A/B1) represents a ratio of an equivalent A of the polyisocyanate compound (A) calculated using the molecular weight and the functional group number of the polyisocyanate compound (A) to an equivalent B1 of the polythiol compound (B1) calculated using the molecular weight and the functional group number of the polythiol compound (B1).

公开(公告)号：US20190062270A1

公开(公告)日：2019-02-28

申请号：US16171476

申请日：2018-10-26

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yukio KAGEYAMA ,  Masahisa KOUSAKA ,  Akinori YAMAMOTO

IPC: C07C319/14 ,  C08G18/38 ,  C07C335/32 ,  C07C319/20

Abstract: The method for producing a polythiol compound includes reacting 2-mercaptoethanol having a water content of 3000 ppm or less on a mass basis, with epihalohydrin to obtain a halide represented by the formula (1), wherein X represents a halogen atom; and obtaining at least one polythiol compound selected from the group consisting of a polythiol compound represented by the formula (4), a polythiol compound represented by the formula (5), a polythiol compound represented by the formula (6), and a polythiol compound represented by the formula (7).

公开(公告)号：US20180297943A1

公开(公告)日：2018-10-18

申请号：US16015620

申请日：2018-06-22

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yukio KAGEYAMA ,  Masahisa KOUSAKA ,  Tomofumi OHNISHI

IPC: C07C319/14 ,  C08G18/38 ,  C08G18/76 ,  G02B1/04

Abstract: Provided is a method for producing a polythiol compound, including obtaining one or more polythiol compounds selected from the group consisting of a polythiol compound represented by Formula (3), a polythiol compound represented by Formula (4), and a polythiol compound represented by Formula (5) through steps including: reacting 2-mercaptoethanol with an epihalohydrin in an amount of 1.00 equivalent or more and 1.25 equivalent or less with respect to the 2-mercaptoethanol to obtain a polyol compound represented by Formula (1); and reacting the polyol compound represented by Formula (1) with an alkali metal sulfide in an amount of 1.04 equivalent or more and 1.25 equivalent or less with respect to the 2-mercaptoethanol to obtain a polyol compound represented by Formula (2). [in Formula (1), X represents a halogen atom]

公开(公告)号：US20180059437A1

公开(公告)日：2018-03-01

申请号：US15557281

申请日：2016-03-11

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Natsumi TASAKI

IPC: G02C7/10 ,  G02B1/04 ,  C08F2/44 ,  C08F220/12 ,  C08F218/14 ,  C08K5/13 ,  G02C7/02

CPC classification number: G02C7/10 ,  C08F2/44 ,  C08F218/14 ,  C08F220/12 ,  C08K5/13 ,  C08L31/00 ,  G02B1/04 ,  G02B1/041 ,  G02C7/02

Abstract: A plastic optical component with a high cutting ratio of blue light, and a method for producing the plastic optical component. The plastic optical component includes a benzophenone compound represented by formula (1) and an addition polymer obtained by radical polymerization of a monomer. The method for producing the plastic member includes a step of curing a mixture including the monomer, the benzophenone compound represented by formula (1), and a radical initiator.

公开(公告)号：US20190225733A1

公开(公告)日：2019-07-25

申请号：US16367622

申请日：2019-03-28

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA

IPC: C08G18/38 ,  C08K5/521 ,  C08K5/3475 ,  C08G18/76 ,  G02B1/04

Abstract: An embodiment of the present disclosure relates to a method for producing an optical component resin, suppressing generation of a foreign matter and occurrence of white turbidity, an optical component resin, a spectacle lens, and spectacles.A method for producing an optical component resin, including: a step of mixing a polythiol component, a polyisocyanate component, and an additive to obtain a polymerizable composition; and a step of polymerizing the polymerizable composition, in which the total moisture content of the additive before mixing is 1.0 ppm by mass or more and 10 ppm by mass or less with respect to the amount of the polyisocyanate component, an optical component resin obtained by the producing method, an optical component formed of the optical component resin, a spectacle lens including a lens substrate formed of the optical component resin, and spectacles including the spectacle lens.

公开(公告)号：US20190218331A1

公开(公告)日：2019-07-18

申请号：US16366719

申请日：2019-03-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Takeaki IRYO

IPC: C08G18/38 ,  C08G18/76 ,  C08J7/06 ,  C09B6/00 ,  D06P3/72 ,  G02B1/04

CPC classification number: C08G18/3876 ,  C08G18/38 ,  C08G18/76 ,  C08G18/7642 ,  C08J7/065 ,  C08J2375/04 ,  C09B6/00 ,  D06P1/20 ,  D06P3/72 ,  G02B1/04 ,  G02B1/041 ,  G02C7/00

Abstract: An embodiment of the present disclosure relates to a method for producing an optical component resin having excellent dyeability, an optical component resin, a spectacle lens, and spectacles. A method for producing an optical component resin, including a step of polymerizing a polymerizable composition containing a polyisocyanate component and a polythiol component containing 40 mol % or more of a polythiol compound having two or more sulfide bonds in a molecular structure thereof, in which the content of a hydrolyzable chlorine compound contained in the polyisocyanate component is in a range of 10 ppm by mass or more and 100 ppm by mass or less in the polyisocyanate component, an optical component resin obtained by the producing method, an optical component formed of the optical component resin, a spectacle lens including a lens substrate formed of the optical component resin, and spectacles including the spectacle lens.

公开(公告)号：US20180372915A1

公开(公告)日：2018-12-27

申请号：US16019418

申请日：2018-06-26

Applicant: HOYA LENS THAILAND LTD.

Inventor： Tomofumi OHNISHI ,  Masahisa KOUSAKA ,  Shinya MIYAJIMA

IPC: G02B1/10 ,  G02B1/04 ,  G02C7/02 ,  B05D1/18 ,  B05D3/04 ,  B05D3/14 ,  C07D209/04 ,  B05D5/06

Abstract: An object is to provide a method for manufacturing a spectacle lens having an excellent cut ratio of light having a wavelength of 420 nm and further having an excellent appearance, and a spectacle lens.[1] A method for manufacturing a spectacle lens, including a step of immersing a substrate in an immersion liquid containing an indole-based UV absorber, and [2] a spectacle lens including a substrate impregnated with an indole-based UV absorber by a dyeing method.

公开(公告)号：US20180362730A1

公开(公告)日：2018-12-20

申请号：US16113603

申请日：2018-08-27

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Natsumi TASAKI

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

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：US20180037722A1

公开(公告)日：2018-02-08

申请号：US15557223

申请日：2016-03-11

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Natsumi TASAKI

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

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：US20170137560A1

公开(公告)日：2017-05-18

申请号：US15129852

申请日：2015-03-05

Applicant: HOYA LENS THAILAND Ltd.

Inventor： Yuji HOSHI ,  Masahisa KOUSAKA

IPC: C08G18/76 ,  C08G18/24 ,  G02B1/04 ,  C08L75/04 ,  C08L75/08 ,  C08G18/38 ,  C08G18/48

CPC classification number: C08G18/7671 ,  C08G18/242 ,  C08G18/246 ,  C08G18/3876 ,  C08G18/4829 ,  C08L75/04 ,  C08L75/08 ,  C08L2205/025 ,  G02B1/04 ,  G02B1/041

Abstract: Provided are a polyisocyanate monomer composition for optical members, from which an optical members with which turbidity and clouding are difficult to occur during the production thereof, and which is excellent in transparency, can be obtained, and an optical member and production methods therefor. A polyisocyanate monomer composition for optical members, including 4,4′-diphenylmethane diisocyanate and at least one kind selected from 2,4′-diphenylmethane diisocyanate and 2,2′-diphenylmethane diisocyanate; an optical member formed of a polymer having a structure represented by the following formula (1), and at least one kind of structure represented by the following formula (2) or (3); and a method for producing an optical member, including a step of polymerizing a monomer composition including a polyisocyanate compound including 4,4′-diphenylmethane diisocyanate and at least one kind selected from 2,4′-diphenylmethane diisocyanate and 2,2′-diphenylmethane diisocyanate, and at least one kind selected from a polythiol compound and a polyol compound.