Patents Assigned to Central Glass Company, Limited
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Patent number: 10793540Abstract: The present invention provides an industrially applicable method for production of a fluorine-containing cyclopropane carboxylic acid compound useful as an intermediate for pharmaceutical and agrichemical products. A fluorine-containing cyclopropane monoester is obtained by: forming a fluorine-containing cyclic sulfate with the use of a fluorine-containing diol compound and sulfuryl fluoride (as a cyclic sulfuric esterification step); reacting the fluorine-containing cyclic sulfate with a malonic diester, thereby forming a fluorine-containing cyclopropane diester (as a cyclopropanation step); and hydrolyzing the fluorine-containing cyclopropane diester (as a hydrolysis step).Type: GrantFiled: September 5, 2019Date of Patent: October 6, 2020Assignee: Central Glass Company, LimitedInventors: Takashi Kashiwaba, Takako Yamazaki, Shoko Ishii, Shunsuke Mimura, Masanori Fushimi, Ryuichi Okamoto, Haruki Kobayashi, Manabu Yasumoto
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Patent number: 10775548Abstract: A light guide plate according to one embodiment of the present invention includes two glass sheets and a scattering layer sandwiched between and integrated with the glass sheets, wherein the scattering layer is a transparent resin film formed by stretching, and wherein the light guide plate has a haze of 0.2% or higher as determined according to JIS K 7136. The light guide plate is suitable for use in an edge-light-type surface light emitting apparatus. It is preferable that the scattering layer is a biaxially stretched transparent polyethylene terephthalate film. It is also preferable that the light guide plate further includes an adhesive resin layer between the scattering layer and the glass sheet.Type: GrantFiled: November 20, 2017Date of Patent: September 15, 2020Assignee: Central Glass Company, LimitedInventors: Naoya Mori, Kensuke Izutani
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Patent number: 10777847Abstract: Disclosed is an electrolyte for nonaqueous electrolyte cells, which contains a nonaqueous organic solvent and a solute. This electrolyte is characterized by containing as additives at least one compound selected from a first compound group consisting of bis(oxalato)borate, difluoro(oxalato)borate, tris(oxalato)phosphate, difluorobis(oxalato)phosphate, and tetrafluoro(oxalato)phosphate, and at least one compound selected from a second compound group consisting of a sulfonate group-containing imide salt, which is represented by the general formula M[R1OSO2NSO2OR2]n, and a phosphoryl group-containing imide salt, which is represented by the general formula M[R3R4OPNPOR5R6]m. This electrolyte provides nonaqueous electrolyte cells with high-temperature durability without causing swelling and performance deterioration of batteries.Type: GrantFiled: August 17, 2012Date of Patent: September 15, 2020Assignee: Central Glass Company, LimitedInventors: Takayoshi Morinaka, Yuki Kondo
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Patent number: 10741406Abstract: Disclosed is a dry etching method for etching a laminated film of silicon oxide layers and silicon nitride layers on a substrate. The dry etching method includes providing a mask on the laminated film, generating a plasma from a dry etching agent and etching the laminated film by the plasma through the mask under a bias voltage of 500 V or higher to form a through hole in the laminated film vertically to the layers, wherein the dry etching agent contains at least C3H2F4, an unsaturated perfluorocarbon represented by CxFy and an oxidizing gas, and wherein a volume of the unsaturated perfluorocarbon contained in the dry etching agent is 0.1 to 10 times a volume of the C3H2F4 contained in the dry etching agent.Type: GrantFiled: July 1, 2016Date of Patent: August 11, 2020Assignee: Central Glass Company, LimitedInventors: Hiroyuki Oomori, Akifumi Yao
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Publication number: 20200238797Abstract: The present disclosure relates to an improved anti-reflective architectural or automotive glass. The glass may include a porous, nano-structured anti-reflective coating on at least one side of a glass product, including tempered or laminated glass. The porous, nano-structured anti-reflective coating may include pores increasing in size from a base layer at a glass substrate towards a porous surface. The porous, nano-structured anti-reflective coating, in some embodiments, may be on both surfaces of a glass product. Alternative embodiments include a painted surface on a second side of the glass product to provide an improved aesthetic glass design.Type: ApplicationFiled: October 9, 2018Publication date: July 30, 2020Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Michael Bard, Hiromi HASE
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Publication number: 20200238667Abstract: This disclosure relates generally to glass products having a UV protective coating. The coating is a porous, nano-structured coating having pores sized within the range of UV radiation. The porous structure may scatter UV light, protecting laminated interlayers and interior space protected by the glass products. The UV protective coating may be used in glass laminates having UV-sensitive interlayers, including switchable films where UV exposure may be limited.Type: ApplicationFiled: October 9, 2018Publication date: July 30, 2020Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Michael BARD, Hiromi HASE
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Patent number: 10703693Abstract: A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated: CFaCl3-a—CH2—CHFbCl2-b??(1) In the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.Type: GrantFiled: September 17, 2019Date of Patent: July 7, 2020Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Masamune Okamoto, Kohei Sumida, Kei Matsunaga, Yoshio Nishiguchi, Satoru Okamoto
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Publication number: 20200209622Abstract: Laminated glass for a vehicle front window includes a curved first glass plate having a trapezoidal or rectangular shape, a second glass plate having the same shape as the first glass plate, and an intermediate film disposed between the glass plates. The laminated glass includes an imaging section of an image projected from an imaging device incorporated in a dash board on a driver's seat side in an indoor side surface of the laminated glass. The intermediate film has a wedge angle profile with a thickness continuously changing in all 360° directions in observation when an upper longitudinal direction from the imaging section is set to 0°, and has a thickness of the intermediate film based on the wedge angle profile continuously decreasing from an upper side to a lower side and continuously decreasing in the horizontal direction from the driver's seat side to the passenger seat side.Type: ApplicationFiled: March 9, 2020Publication date: July 2, 2020Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Takao NIITSU, Kazuhide Maruyama
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Patent number: 10683252Abstract: Fluoral is obtained by gas-phase fluorination of chloral in the presence of a catalyst and then reacted with trimethyl orthoformate, thereby readily forming 1,2,2,2-tetrafluoroethyl methyl ether as an intermediate for production of desflurane. 1,2,2,2-Tetrafluoroethyl difluoromethyl ether (desflurane) is produced with high yield from the thus-formed 1,2,2,2-tetrafluoroethyl methyl ether by chlorination and fluorination. This method enables efficient industrial-scale production of desflurane useful as an inhalation anesthetic.Type: GrantFiled: December 15, 2017Date of Patent: June 16, 2020Assignee: Central Glass Company, LimitedInventors: Kenji Hosoi, Mineo Watanabe, Hideaki Imura, Kensuke Hirotaki, Naoya Ueshima
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Publication number: 20200147936Abstract: Laminated glass for a vehicle front window includes a curved first glass plate having a trapezoidal or rectangular shape; a second glass plate having the same shape as the first glass plate; and an intermediate film disposed between the first and second glass plates. An imaging section of an image projected from an imaging device incorporated in a dash board on a driver's seat side is included in an indoor side surface of the laminated glass in a state in which the laminated glass is incorporated in a vehicle body. The intermediate film is provided with a wedge angle profile in a longitudinal direction and a horizontal direction of the laminated glass, and a thickness based on the wedge angle profile of the intermediate film based on the wedge angle profile continuously decreases from an upper side to a lower side and continuously decreases in a direction from a driver's seat side to a passenger seat side.Type: ApplicationFiled: January 9, 2020Publication date: May 14, 2020Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Takao NIITSU, Kazuhide MARUYAMA
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Publication number: 20200122437Abstract: An automotive laminated glass includes a thermoplastic interlayer film, a curved first glass sheet, and a curved second glass sheet. The thermoplastic interlayer film is disposed between the first and second glass sheets. The first glass sheet is a 0.7- to 3-mm thick non-chemically strengthened glass sheet including a convex-side first main surface and a concave-side second main surface facing the thermoplastic interlayer film. The second glass sheet is an ion-exchanged, 0.3- to 1.5-mm thick chemically strengthened glass sheet including a convex-side third main surface facing the thermoplastic interlayer film and a concave-side fourth main surface. The second glass sheet is thinner than the first glass sheet. The convex-side third main surface has a compressive stress layer thicker than that on the concave-side fourth main surface, and the second glass sheet is adjusted to fit the curvature of the first glass sheet.Type: ApplicationFiled: November 14, 2017Publication date: April 23, 2020Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Naoki Mitamura, Tatsuya Tsuzuki, Hiroki Nakamura, Naoya Hirata
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Patent number: 10611708Abstract: A method for producing 1,2-dichloro-3,3,3-trifluoropropene according to the present invention includes the step of reacting 1,1,2,3,3-pentachloropropene with a fluorinating agent where hydrogen fluoride is used as the fluorinating agent.Type: GrantFiled: April 10, 2017Date of Patent: April 7, 2020Assignee: Central Glass Company, LimitedInventors: Kei Matsunaga, Hideaki Imura, Masatomi Kanai, Masahiko Tani, Naoto Takada, Kohei Sumida, Satoru Okamoto
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Publication number: 20200071226Abstract: A glass article includes a glass substrate, a colored film formed on one of main surfaces of the glass substrate, an uncoated portion where no colored film is formed which is present in part of the one of main surfaces or on an edge face of the glass substrate, a boundary between the colored film and the uncoated portion, and a film thickness varying portion where the colored film gradually tapers in thickness toward the boundary. The uncoated portion is visible in the glass article used as a window, the glass substrate has an absorbance in the wavelength range of 380 nm to 780 nm of 0.10 or lower per mm of thickness, and the glass article has a portion blue in color, gray in color, or pink in color where the colored film is formed.Type: ApplicationFiled: October 2, 2017Publication date: March 5, 2020Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Nobuyuki Nakai, Yoshihiko Obara
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Publication number: 20200057189Abstract: A light guide plate according to one embodiment of the present invention includes two glass sheets and a scattering layer sandwiched between and integrated with the glass sheets, wherein the scattering layer is a transparent resin film formed by stretching, and wherein the light guide plate has a haze of 0.2% or higher as determined according to JIS K 7136. The light guide plate is suitable for use in an edge-light-type surface light emitting apparatus. It is preferable that the scattering layer is a biaxially stretched transparent polyethylene terephthalate film. It is also preferable that the light guide plate further includes an adhesive resin layer between the scattering layer and the glass sheet.Type: ApplicationFiled: November 20, 2017Publication date: February 20, 2020Applicant: Central Glass Company, LimitedInventors: Naoya MORI, Kensuke IZUTANI
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Publication number: 20200055772Abstract: A method of producing a colored film-attached glass sheet includes a step of obtaining a colored film-forming coating solution by mixing the following components: (a) a reaction product obtained by reacting an amino group-containing silane compound with at least one boron compound selected from the group consisting of H3BO3 and B2O3; (b) a metal alkoxide and/or a metal alkoxide condensate; (c) a synthetic resin; (d) a triazine-based UV absorber; (e) a solvent substantially consisting of a non-aqueous solvent having an SP value of 8 to 11.5 (cal/cm3)1/2; and (f) a pigment. The colored film-forming coating solution contains the UV absorber in an amount of 5 to 12% by mass relative to the total solids content and the pigment in an amount equal to 0.02 to 0.50 times the amount of the UV absorber by mass ratio.Type: ApplicationFiled: January 24, 2018Publication date: February 20, 2020Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Nobuyuki Nakai, Yoshihiko Obara
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Patent number: 10550031Abstract: Disclosed is a glass window having a luminous capability, which is suitable for use in automotive applications, architectural applications, or other applications. Exemplary embodiments of a glass window having a luminous capability include one or more glass sheet layers, a thin film layer having fine particles dispersed in a matrix of a thin film material, and at least one light source for introducing light into the thin film layer. The fine particles scatter the light and generate luminousness of the glass window. Exemplary embodiments of a glass window having luminous capability may further include one or more resinous sheet layers or one or more interlayers such as a plastic film layer.Type: GrantFiled: February 23, 2017Date of Patent: February 4, 2020Assignee: Central Glass Company, LimitedInventors: Michael Bard, Tobias Solchenbach, Yoshihiko Obara, Nobuyuki Nakai
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Patent number: 10519083Abstract: The present invention provides a method for efficiently producing 1-chloro-3,3,3-trifluoropropene from a low-reactivity intermediate product. More specifically, provided is a method for producing trans-1-chloro-3,3,3-trifluoropropene, characterized by reacting a halogenated C3 hydrocarbon compound represented by the following general formula (1) with hydrogen fluoride in a gas phase in the presence of a solid catalyst and chlorine C3HXClYFZ??(1) wherein X is 2 or 3; when X=2, Y is an integer of 1 to 4, Z is an integer of 0 to 3, and Y+Z=4; and, when X=3, Y is an integer of 1 to 5, Z is an integer of 0 to 4, and Y+Z=5; provided that the general formula (1) represents any halogenated C3 hydrocarbon compound other than trans-1-chloro-3,3,3-trifluoropropene.Type: GrantFiled: January 12, 2017Date of Patent: December 31, 2019Assignee: Central Glass Company, LimitedInventors: Satoru Okamoto, Koji Ueda, Takamasa Kitamoto
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Patent number: 10513479Abstract: A method for isomerizing a hydrohalofluoroolefin isomer to produce a corresponding hydrohalofluoroolefin isomer includes a step contacting a composition that contains at least a hydrohalofluoroolefin isomer and that has been adjusted to 100 ppm or lower in moisture concentration, with a catalyst in a gas phase, thereby obtaining a product. This method makes it possible to suppress the catalyst performance lowering.Type: GrantFiled: May 27, 2016Date of Patent: December 24, 2019Assignee: Central Glass Company, LimitedInventors: Takamasa Kitamoto, Satoru Okamoto, Masahiko Tani, Masatomi Kanai, Kohei Sumida
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Publication number: 20190358935Abstract: An automotive laminated glass includes a thermoplastic interlayer film, a curved first glass sheet, and a curved second glass sheet. The thermoplastic interlayer film is disposed between the first and second glass sheets. The first glass sheet is a 0.7- to 3-mm thick non-chemically strengthened glass sheet including a convex-side first main surface and a concave-side second main surface facing the thermoplastic interlayer film. The second glass sheet is an ion-exchanged, 0.3- to 1.5-mm thick chemically strengthened glass sheet including a convex-side third main surface facing the thermoplastic interlayer film and a concave-side fourth main surface. The second glass sheet is thinner than the first glass sheet, and is adjusted to have a curvature equal to the curvature of the first glass sheet. A compressive stress layer on the concave-side fourth main surface is thicker than a compressive stress layer on the convex-side third main surface.Type: ApplicationFiled: November 14, 2017Publication date: November 28, 2019Applicant: CENTRAL GLASS COMPANY, LIMITEDInventors: Naoki Mitamura, Tatsuya Tsuzuki, Hiroki Nakamura, Naoya Hirata
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Patent number: D883227Type: GrantFiled: March 22, 2018Date of Patent: May 5, 2020Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Kohei Seki, Jun Hamada