公开(公告)号：US20240336589A1

公开(公告)日：2024-10-10

申请号：US18696207

申请日：2022-09-29

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA

IPC: C07D331/02 ,  C08G75/08 ,  G02B1/04

CPC classification number: C07D331/02 ,  C08G75/08 ,  G02B1/041

Abstract: A monomer for an optical component includes: a compound represented by the formula (1), in which a pH obtained through a pH measurement method below is 4.0 to 7.5.
(pH Measurement Method)

80 g of a sample, 80 mL of toluene, and 250 mL of water are mixed together in a liquid separation funnel, an aqueous phase is separated off, and the pH of the aqueous phase is measured.

公开(公告)号：US20210206903A1

公开(公告)日：2021-07-08

申请号：US17210582

申请日：2021-03-24

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Yukio KAGEYAMA

IPC: C08G18/24 ,  C08G18/76 ,  C08G18/77 ,  G02C7/02

Abstract: [1] A polymerizable composition for an optical component, including a polyisocyanate component, a polythiol component, and a compound represented by formula (1) in an amount of 5 ppm by mass or more and 10,000 ppm by mass or less with respect to the total amount of the polyisocyanate component and the polythiol component, [2] an optical component resin that is a polymerized product of the polymerizable composition according to the above-described [1], [3] a spectacle lens including a lens substrate that is formed of the optical component resin according to the above-described [2], and [4] spectacles including the spectacle lens according to the above-described [3].

公开(公告)号：US20190010273A1

公开(公告)日：2019-01-10

申请号：US15507609

申请日：2015-08-28

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Natsumi TASAKI

IPC: C08G18/38 ,  C08G18/75 ,  C08G18/76 ,  G02B1/04

Abstract: An optical resin composition from which an optical element having high heat resistance can be obtained, an optical element obtained by curing the optical resin composition, and a plastic lens for eyeglasses, where the optical resin composition contains a polyiso(thio)cyanate and a polythiol component, which contains a polythiol compound having a sulfide bond and/or a disulfide bond.

公开(公告)号：US20180273673A1

公开(公告)日：2018-09-27

申请号：US15992839

申请日：2018-05-30

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yukio KAGEYAMA ,  Masahisa KOUSAKA ,  Tomofumi OHNISHI

IPC: C08G18/38 ,  C08G18/73 ,  C08G18/75 ,  C08G18/76 ,  G02B1/04 ,  G02B1/08

Abstract: To provide a resin composition having a good slightly bluish color tone, a spectacle lens including a base material made of the resin composition, and a method for producing the resin composition.Provided is a resin composition obtained by polymerizing a polymerizable composition including a polyisocyanate compound and a polythiol compound. The polymerizable composition includes a dye L having an absorption maximum wavelength of 550 nm or more and 600 nm or less in a toluene solution of 20 ppm by mass, and a dye S having an absorption maximum wavelength of 500 nm or more and less than 550 nm in a toluene solution of 20 ppm by mass. A mass ratio [(mass of dye L)/(mass of dye S)] of the dye L to the dye S is 5 or more and 500 or less.

公开(公告)号：US20180079848A1

公开(公告)日：2018-03-22

申请号：US15562767

申请日：2016-03-31

Applicant: HOYA LENS THAILAND LTD.

Inventor： Tomofumi OHNISHI ,  Masahisa KOUSAKA

IPC: C08F290/06 ,  C08K5/357 ,  C08K5/18 ,  C08K5/3435 ,  C08K5/1545 ,  G02B1/04 ,  G02C7/10

CPC classification number: C08F290/067 ,  C08F222/1006 ,  C08F290/06 ,  C08G18/244 ,  C08G18/6795 ,  C08G18/7671 ,  C08K5/1545 ,  C08K5/18 ,  C08K5/3435 ,  C08K5/357 ,  G02B1/041 ,  G02B5/23 ,  G02C7/10 ,  G02C7/102 ,  C08F2222/1086 ,  C08F2222/1013 ,  C08F2222/102 ,  C08F2222/1026

Abstract: Provided is a polymerizable composition for an optical component which has excellent coloring performance. [1] A polymerizable composition for an optical component, including a urethane acrylate represented by general formula (1), and a photochromic compound. [2] An optical component obtained by polymerizing the polymerizable composition. [3] A spectacle lens substrate formed from the optical component.

公开(公告)号：US20190119467A1

公开(公告)日：2019-04-25

申请号：US16222577

申请日：2018-12-17

Applicant: HOYA LENS THAILAND LTD.

Inventor： Masahisa KOUSAKA ,  Natsumi TASAKI

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

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：US20190062490A1

公开(公告)日：2019-02-28

申请号：US16172069

申请日：2018-10-26

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yukio KAGEYAMA ,  Masahisa KOUSAKA ,  Akinori YAMAMOTO

IPC: C08G18/38 ,  C08G18/76 ,  C08G18/75 ,  C08G18/24 ,  G02B1/04

Abstract: Provided are: a method for producing a cured product, including a curable composition preparing step of preparing a curable composition by mixing a polyiso(thio)cyanate compound with a polythiol compound having a water content of less than 20 ppm on a mass basis, and a curing step of curing the curable composition to obtain a cured product; a cured product obtained by curing a curable composition containing a polyiso(thio)cyanate compound and a polythiol compound having a water content of less than 20 ppm on a mass basis; and an eyeglass lens substrate including the cured product.

公开(公告)号：US20190062488A1

公开(公告)日：2019-02-28

申请号：US16170441

申请日：2018-10-25

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yukio KAGEYAMA ,  Masahisa KOUSAKA ,  Akinori YAMAMOTO

IPC: C08G18/38 ,  C08G18/76 ,  C08G18/75 ,  C08G18/24 ,  G02B1/04

Abstract: Provided are: a method for producing a cured product, including a curable composition preparing step of preparing a curable composition containing a polyiso(thio)cyanate compound, a polythiol compound, and a curing catalyst having a water content of 5000 ppm or less on a mass basis, and a curing step of curing the curable composition to obtain a cured product; a cured product obtained by curing a curable composition containing a polyiso(thio)cyanate compound, a polythiol compound, and a curing catalyst having a water content of 5000 ppm or less on a mass basis; and an eyeglass lens substrate including the cured product.

公开(公告)号：US20180362699A1

公开(公告)日：2018-12-20

申请号：US16015670

申请日：2018-06-22

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yukio KAGEYAMA ,  Masahisa KOUSAKA ,  Tomofumi OHNISHI

IPC: C08G18/38 ,  C08G18/76 ,  C07C319/22 ,  C07C321/14 ,  G02B1/04

Abstract: Provided is a method for producing a polythiol compound, including reacting 2-mercaptoethanol with an epihalohydrin, wherein the reaction is carried out in the presence of a halide selected from the group consisting of a 2,3-dihalogeno-1-propanol and an allyl halide, and an amount of the halide in the reaction is more than 0.50% by mass and 10.00% by mass or less with respect to the total amount of the halide and the epihalohydrin. Also provided are a method for producing a curable composition, including producing a polythiol compound by the abovementioned production method, and a method for producing a cured product, including producing a curable composition by the abovementioned production method.

公开(公告)号：US20170226268A1

公开(公告)日：2017-08-10

申请号：US15515167

申请日：2015-09-09

Applicant: HOYA LENS THAILAND LTD

Inventor： Takayuki IIJIMA ,  Masahisa KOUSAKA

IPC: C08G18/38 ,  G02B1/04 ,  G02C7/02 ,  C08G18/72

CPC classification number: C08G18/38 ,  C08G18/246 ,  C08G18/3857 ,  C08G18/3876 ,  C08G18/72 ,  C08G18/722 ,  C08G18/73 ,  C08G18/753 ,  C08G18/755 ,  C08G18/758 ,  C08G2120/00 ,  G02B1/04 ,  G02C7/02

Abstract: A polymerizable composition which can suppress generation of turbidity, optical distortion, and striae in a transparent resin obtained therefrom, a transparent resin obtained from the polymerizable composition, an optical material containing the transparent resin, a plastic lens containing the optical material, and a method for manufacturing the transparent resin. The present disclosure is a polymerizable composition containing a polythiol compound having at least three mercapto groups and a polyiso(thio)cyanate compound. The polyiso(thio)cyanate compound contains only a polyiso(thio)cyanate compound having no aromatic ring, and a thiol equivalent ratio which is a measured value of a thiol equivalent of the polythiol compound with respect to a theoretical value of the thiol equivalent is 0.900 or more and less than 1.000.