Agc, Inc.

Japan

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New (last 4 weeks) 82
2026 June (MTD) 14
2026 May 68
2026 April 68
2026 March 58
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IPC Class
B60J 1/00 - WindowsWindscreensAccessories therefor 329
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface 316
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass 264
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin 262
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium 253
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NICE Class
01 - Chemical and biological materials for industrial, scientific and agricultural use 89
21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware 57
09 - Scientific and electric apparatus and instruments 49
17 - Rubber and plastic; packing and insulating materials 48
12 - Land, air and water vehicles; parts of land vehicles 42
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1.

OPTICAL FILTER

      
Application Number 19460440
Status Pending
Filing Date 2026-01-27
First Publication Date 2026-06-04
Owner AGC Inc. (Japan)
Inventor
  • Nagata, Takashi
  • Sakagami, Takahiro
  • Ohguchi, Kanako
  • Shiono, Kazuhiko
  • Endo, Kiyokazu

Abstract

An optical filter includes: a phosphate glass; a dielectric multilayer film 1 and a dielectric multilayer film 2 provided on both surface sides of the phosphate glass; a barrier film 1 provided between the phosphate glass and the dielectric multilayer film 1; a barrier film 2 provided between the phosphate glass and the dielectric multilayer film 2; and a light-absorbing layer provided on or above the dielectric multilayer film 2, in which the phosphate glass has near-infrared ray absorbing properties, is substantially free from fluorine atoms, and has a thickness of 0.3 mm or less, the light-absorbing layer includes a near-infrared ray absorbing dye, the barrier film 1 and the barrier film 2 each independently include one or more selected from TiO2, Nb2O5, Ta2O5, and HfO2, and the optical filter satisfies all of spectral characteristics (i-1) to (i-5).

IPC Classes  ?

2.

FILM FOR BATTERY EXTERIOR BODY, BATTERY EXTERIOR BODY, AND SECONDARY BATTERY

      
Application Number 19454536
Status Pending
Filing Date 2026-01-21
First Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor Takenaka, Satoshi

Abstract

A film for a battery exterior body has a thickness of 10 μm or greater, including a heat-meltable tetrafluoroethylene-type polymer having 50 or more carbonyl group-containing groups per 106 carbon atoms in its main chain and a fluorine content of from 60% by mass to 75% by mass.

IPC Classes  ?

  • H01M 50/121 - Organic material
  • C09J 7/10 - Adhesives in the form of films or foils without carriers
  • C09J 7/35 - Heat-activated
  • H01M 50/119 - Metals
  • H01M 50/129 - Primary casingsJackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
  • H01M 50/133 - Thickness

3.

OPTICAL FILTER AND SENSING DEVICE

      
Application Number JP2025041112
Publication Number 2026/116347
Status In Force
Filing Date 2025-11-26
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor Kitao, Takayuki

Abstract

The present invention provides an optical filter which has a low transmittance with respect to obliquely incident visible light. The present optical filter comprises: a substrate which includes a first surface and a second surface that is on the side opposite from the first surface; a reflection and scattering part which is provided to the first surface, which reflects and scatters first light in at least a portion of a wavelength band in the visible region, and which transmits second light in at least a portion of a wavelength band in the infrared region; a filler which is disposed on the first surface side; and a reflection multilayer film which is disposed on the second surface side, which reflects the first light, and which transmits the second light; wherein, when light having a wavelength of 400-600 nm is incident at an incidence angle of θ degrees and the average value of transmittances is regarded as T_400-600(θ), T_400-600(0)≤9% and T_400-600(50)≤9%.

IPC Classes  ?

  • G02B 5/28 - Interference filters
  • G01J 3/26 - Generating the spectrumMonochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filter
  • G02B 3/00 - Simple or compound lenses
  • G02B 5/02 - Diffusing elementsAfocal elements
  • G02B 5/18 - Diffracting gratings
  • G02B 5/26 - Reflecting filters

4.

OPTICAL FILTER AND SENSING DEVICE

      
Application Number JP2025041111
Publication Number 2026/116346
Status In Force
Filing Date 2025-11-26
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor Kitao, Takayuki

Abstract

Provided is an optical filter having a low transmittance for obliquely incident light in a visible region. This optical filter comprises: a first substrate that includes a first upper surface and a first lower surface; a first reflection and scattering part that is provided on the first lower surface of the first substrate, reflects and scatters first light, which is light in at least a partial wavelength band in a visible region, and transmits second light, which is light in at least a partial wavelength band in an infrared region; a filler that is disposed below the first substrate; a second substrate that is disposed below the filler and includes a second upper surface and a second lower surface; and a second reflection and scattering part that is provided on the second upper surface of the second substrate, reflects and scatters the first light, and transmits the second light.

IPC Classes  ?

  • G02B 5/28 - Interference filters
  • G01J 3/26 - Generating the spectrumMonochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filter
  • G02B 3/00 - Simple or compound lenses
  • G02B 5/02 - Diffusing elementsAfocal elements
  • G02B 5/18 - Diffracting gratings
  • G02B 5/26 - Reflecting filters

5.

CURABLE COMPOSITION

      
Application Number JP2025041099
Publication Number 2026/116343
Status In Force
Filing Date 2025-11-26
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor
  • Inoue Haruka
  • Kamo Hiromichi
  • Morino Masayuki
  • Hosoda Tomoya

Abstract

[Problem] To provide a curable composition with which a cured product having excellent electrical properties (low relative dielectric constant, low dielectric tangent, etc.) and moisture resistance, as well as mechanical properties, insulating properties, etc. can be formed, and which is useful for electronic component device usages such as encapsulants for semiconductor devices, build-up films, or underfill materials, and has excellent handleability and permeability into narrow gaps. [Solution] A curable composition including: an epoxy resin; a curing agent having an amino group; and hollow silica particles surface-treated with a silane coupling agent having an amino group or a group capable of undergoing an addition reaction with an amino group, wherein the hollow silica particles have an average particle diameter (D50) of 0.5 μm or more.

IPC Classes  ?

6.

CURABLE COMPOSITION

      
Application Number JP2025041098
Publication Number 2026/116342
Status In Force
Filing Date 2025-11-26
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor
  • Inoue Haruka
  • Kamo Hiromichi
  • Morino Masayuki
  • Hosoda Tomoya

Abstract

[Problem] To provide a curable composition which can form a cured product that exhibits adhesive strength to a metal such as copper, mechanical properties, electrical properties (low relative dielectric constant, low dielectric loss tangent, etc.), insulating properties, etc., and which exhibits excellent handleability and narrow gap penetration properties, which are useful in electronic component device applications such as sealing materials for semiconductor devices, build-up films and underfilling materials. [Solution] Provided is a curable composition which contains: epoxy resins including a bisphenol epoxy resin and a glycidylamine type epoxy resin; silica particles; and an amine-based curing agent. The content of the bisphenol type epoxy resin is less than 60 mass% and the content of the glycidylamine type epoxy resin is more than 40 mass%, each relative to the total amount of the epoxy resins. The silica particles include solid silica particles and hollow silica particles. The content of the hollow silica particles is more than 1 vol% of the total amount of the silica particles.

IPC Classes  ?

7.

ACOUSTIC OUTPUT DEVICE AND ACOUSTIC OUTPUT CONTROL PROGRAM

      
Application Number JP2025038969
Publication Number 2026/116044
Status In Force
Filing Date 2025-11-06
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor Sakurai, Kento

Abstract

An acoustic output device (1) comprises: a glass plate (12G) that is provided to a vehicle; an acoustic output member (20) that is provided to the glass plate; and a control device (16) that controls the acoustic output member. The control device comprises: a generation unit (80) that generates, on the basis of a control parameter, a control signal for causing the acoustic output member to output a sound; an output unit (82) that outputs the control signal to the acoustic output member; and a setting unit (76) that sets the control parameter on the basis of the opening degree of a shade (13) which is provided with respect to the glass plate.

IPC Classes  ?

  • H04R 3/00 - Circuits for transducers
  • B60R 11/02 - Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the likeArrangement of controls thereof
  • G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
  • G10K 15/00 - Acoustics not otherwise provided for
  • H04R 1/02 - CasingsCabinetsMountings therein
  • H04R 7/04 - Plane diaphragms

8.

DISPLAY DEVICE

      
Application Number 19454606
Status Pending
Filing Date 2026-01-21
First Publication Date 2026-06-04
Owner AGC Inc. (Japan)
Inventor
  • Hokari, Ryou
  • Inoue, Atsushi
  • Watanabe, Toshinari

Abstract

Provided is a display device including: a bottom member; a display layer provided on or above the bottom member; a side wall member provided around the display layer; and a cover member including a glass, provided on or above the display layer and the side wall member, and having a thickness of 0.3 mm or more and 0.7 mm or less, in which when a direction from the bottom member toward the cover member in a thickness direction of the cover member is defined as a first direction, the cover member has a first main surface on a first direction side, a second main surface opposite to the first main surface, and an end surface connecting the first main surface and the second main surface, and a parameter T is less than 0.

IPC Classes  ?

9.

OPTICAL FILTER

      
Application Number 19460714
Status Pending
Filing Date 2026-01-27
First Publication Date 2026-06-04
Owner AGC Inc. (Japan)
Inventor
  • Nagata, Takashi
  • Sakagami, Takahiro
  • Ohguchi, Kanako
  • Shiono, Kazuhiko
  • Endo, Kiyokazu

Abstract

An optical filter includes: a glass; a dielectric multilayer film 1 and a dielectric multilayer film 2; a barrier film 1; a barrier film 2; and a light-absorbing layer, in which the glass is a phosphate glass or a fluorophosphate glass, the light-absorbing layer includes a near-infrared ray absorbing dye, in a case where the glass is the phosphate glass, the barrier film 1 and the barrier film 2 each independently include one or more selected from TiO2, Nb2O5, Ta2O5, and HfO2, in a case where the glass is the fluorophosphate glass, the barrier film 1 and the barrier film 2 each independently include one or more selected from TiO2, Al2O3, Nb2O5, Ta2O5, and HfO2, and the optical filter satisfies all of spectral characteristics (i-1) to (i-3) and (i-6).

IPC Classes  ?

10.

CURABLE COMPOSITION

      
Application Number JP2025041097
Publication Number 2026/116341
Status In Force
Filing Date 2025-11-26
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor
  • Inoue Haruka
  • Kamo Hiromichi
  • Morino Masayuki
  • Hosoda Tomoya

Abstract

[Problem] To provide a curable composition which has excellent flowability, from which it is possible to form a cured product having excellent electrical characteristics (low relative dielectric constant, low dielectric loss tangent, etc.) and crack resistance, and also having excellent mechanical characteristics, insulating properties, etc., and which is useful for electronic component device applications such as in a build-up film or an underfill material and for a sealing material of a semiconductor device. [Solution] A curable composition comprising: an epoxy resin; a curing agent; solid silica particles having a mean particle diameter (D50) of not less than 0.1 µm to less than 4 µm; and hollow silica particles having a mean particle diameter (D50) of 0.1-4 µm, wherein the absolute value of the difference in the mean particle diameter (D50) between the solid silica particles and the hollow silica particles is more than 0.1 µm, and the total content of the solid silica particles and the hollow silica particles is not less than 25 vol%.

IPC Classes  ?

  • C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
  • C08G 59/28 - Di-epoxy compounds containing acyclic nitrogen atoms
  • C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
  • C08K 3/36 - Silica
  • C08K 7/26 - Silicon-containing compounds
  • H10W 74/47 -

11.

SILICA PARTICLE DISPERSION, PRODUCTION METHOD FOR SILICA PARTICLE DISPERSION, AND RESIN COMPOSITION

      
Application Number JP2025040945
Publication Number 2026/116298
Status In Force
Filing Date 2025-11-25
Publication Date 2026-06-04
Owner
  • AGC INC. (Japan)
  • AGC SI-TECH CO., LTD. (Japan)
Inventor
  • Kamo Hiromichi
  • Watanabe Haruka
  • Wakaiki Takahiro

Abstract

The present invention provides a silica particle dispersion capable of further improving electrical characteristics of a resin composition, and a resin composition comprising the same. The present invention relates to a silica particle dispersion containing a solvent and 5 vol% or more of hollow silica particles, wherein the silica particle dispersion has a silica solid content recovery rate determined by formula (1): W1/W×100 of 35% or less, wherein W1 is the mass of a solid content obtained by adjusting the silica particle dispersion to have a silica content of 2 mass% to obtain a dispersion for measurement, stirring the dispersion for measurement for 10 minutes under the conditions of a rotation speed of 5,000 rpm, and subjecting the same to decantation and drying by evaporation, and W is the mass of the dispersion for measurement.

IPC Classes  ?

  • C01B 33/145 - Preparation of hydroorganosols, organosols or dispersions in an organic medium
  • C08K 3/36 - Silica
  • C08K 7/26 - Silicon-containing compounds
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

12.

GLASS VIBRATION PLATE MODULE

      
Application Number JP2025040834
Publication Number 2026/116267
Status In Force
Filing Date 2025-11-21
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor
  • Tanikawa, Koyo
  • Hattori, Futa
  • Matsumoto, Shin
  • Naito, Takuya
  • Uchida, Daisuke
  • Tokugawa, Takehiro

Abstract

This glass vibration plate module (10) comprises: a glass plate (12) that constitutes window glass; a vibration component (14) that is attached to the glass plate (12) and generates vibrations; and a transmission unit (16) that is provided between the glass plate (12) and the vibration component (14) and that comes into contact with the glass plate (12) and the vibration component (14) and transmits the vibrations generated by the vibration component (14) to the glass plate (12). The spring constant of the transmission unit is at least 15 N/mm.

IPC Classes  ?

13.

META-OPTICAL ELEMENT AND METHOD FOR MANUFACTURING META-OPTICAL ELEMENT

      
Application Number JP2025040833
Publication Number 2026/116266
Status In Force
Filing Date 2025-11-21
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor
  • Ono, Yoshitaka
  • Sano, Kohei

Abstract

This meta-optical element comprises: a support substrate having a first surface; and a pattern layer provided on the first surface and including a plurality of pillars protruding in the thickness direction of the support substrate from the first surface. A pillar height C of the pillars is 2.0 μm or more. When a cross section orthogonal to the height direction of the pillars at a position where the pillar height of the pillars from the first surface is 0.9 C is observed, the distance of an area passing through the center of gravity of the cross section and having the shortest distance in the cross section is defined as a distance A, and when a cross section orthogonal to the height direction of the pillars at a position where the pillar height of the pillars from the first surface is 0.1 C is observed, the distance of an area passing through the center of gravity of the cross section and having the shortest distance in the cross section is defined as a distance B. In this case, an aspect ratio represented by "C/((A+B)/2)" is 5.0 or more.

IPC Classes  ?

14.

METHOD FOR PRODUCING HEXAFLUOROPROPENE

      
Application Number JP2025040504
Publication Number 2026/116205
Status In Force
Filing Date 2025-11-19
Publication Date 2026-06-04
Owner AGC INC. (Japan)
Inventor
  • Nonaka, Seiya
  • Mitake, Akihito

Abstract

22-X

IPC Classes  ?

  • C07C 17/361 - Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
  • C07C 17/269 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons
  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine

15.

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

      
Application Number 19453119
Status Pending
Filing Date 2026-01-20
First Publication Date 2026-05-28
Owner AGC Inc. (Japan)
Inventor Omori, Norifumi

Abstract

A method for producing a sulfide solid electrolyte, which is a method for continuously producing a sulfide solid electrolyte, includes: heating and melting a first P2S5-containing powder raw material to form a melt; and additionally charging a second P2S5-containing powder raw material to the melt and performing melting. An inert gas is flowed into the melt when additionally charging the second P2S5-containing powder raw material thereto.

IPC Classes  ?

16.

GLASS PRODUCTION DEVICE AND GLASS PRODUCTION METHOD

      
Application Number JP2025039942
Publication Number 2026/110716
Status In Force
Filing Date 2025-11-14
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Maehara, Terutaka
  • Nagaoka, Yusuke
  • Hyodo, Shuntaro

Abstract

This glass production device comprises: a glass flow path through which molten glass flows; a cooling mechanism that cools the molten glass in the glass flow path; and a heating mechanism that heats the molten glass in the glass flow path. The heating mechanism melts the molten glass that solidifies when the heating mechanism stops heating the molten glass and the cooling mechanism continues cooling the molten glass. The heating mechanism has a heating resistor that generates heat by itself when a voltage is applied.

IPC Classes  ?

  • C03B 5/183 - Stirring devicesHomogenisation using thermal means, e.g. for creating convection currents
  • C03B 5/23 - Cooling the molten glass

17.

WORKING MEDIUM FOR HEAT CYCLE, METHOD FOR STORING WORKING MEDIUM FOR HEAT CYCLE, METHOD FOR MANUFACTURING WORKING MEDIUM FOR HEAT CYCLE,COMPOSITION FOR HEAT CYCLE SYSTEM, AND STORAGE CONTAINER FOR WORKING MEDIUM FOR HEAT CYCLE

      
Application Number 19177978
Status Pending
Filing Date 2025-04-14
First Publication Date 2026-05-28
Owner AGC Inc. (Japan)
Inventor Hayamizu, Hiroki

Abstract

A working medium for a heat cycle includes trifluoroethylene, a low boiling point compound having a lower boiling point than the boiling point of the trifluoroethylene, and high boiling point compounds having higher boiling points than the boiling point of the trifluoroethylene. In the working medium, the low boiling point compound is at least one selected from the group consisting of carbon dioxide, R116, and R41, and the high boiling point compounds are at least two selected from the group consisting of HFC-32, HFO-1234yf, HFO-1234ze (E), HFO-1243zf, PFC-14, HFC-134, HFC-143a, HFC-227ea, cyclopropane, isobutene, isobutane, dimethyl ether, and ammonia. An application of the working medium is provided.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
  • F25B 43/00 - Arrangements for separating or purifying gases or liquidsArrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
  • F25B 45/00 - Arrangements for charging or discharging refrigerant

18.

VEHICLE WINDOW GLASS

      
Application Number 19396086
Status Pending
Filing Date 2025-11-20
First Publication Date 2026-05-28
Owner AGC Inc. (Japan)
Inventor
  • Nakata, Atsutoshi
  • Umezawa, Eita

Abstract

A vehicle window glass of the present invention includes a glass plate and an antenna. The antenna includes a feeding portion and an antenna element. The antenna element includes a first vertical element, a first loop element, and a first folded-back element. The first vertical element is electrically connected to the feeding portion and extends in the vertical direction. The first loop element is connected to the first vertical element to have a loop shape and is provided on one side in the horizontal direction with respect to the first vertical element. The first folded-back element is connected to the first vertical element and extends toward the other side in the horizontal direction with respect to the first vertical element to have a folded-back shape.

IPC Classes  ?

  • H01Q 1/12 - SupportsMounting means
  • B60J 1/20 - Accessories, e.g. wind deflectors, blinds
  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

19.

MIXTURE OF SULFIDE SOLID ELECTROLYTE RAW MATERIALS AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

      
Application Number 19450834
Status Pending
Filing Date 2026-01-16
First Publication Date 2026-05-28
Owner AGC Inc. (Japan)
Inventor
  • Omori, Norifumi
  • Imoto, Yuji

Abstract

A mixture of sulfide solid electrolyte raw materials includes Li2S and P2S5, and A

IPC Classes  ?

  • C01B 17/22 - Alkali metal sulfides or polysulfides
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 10/0562 - Solid materials

20.

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

      
Application Number 19453165
Status Pending
Filing Date 2026-01-20
First Publication Date 2026-05-28
Owner AGC Inc. (Japan)
Inventor
  • Omori, Norifumi
  • Imoto, Yuji

Abstract

A method for producing a sulfide solid electrolyte includes: charging sulfide solid electrolyte raw materials into a heated furnace and performing mixing to obtain a mixture of sulfide solid electrolyte raw materials, or charging a mixture of sulfide solid electrolyte raw materials into a heated furnace; and heating and melting the mixture of sulfide solid electrolyte raw materials, and cooling and solidifying resulting melt to obtain a sulfide solid electrolyte. The mixture of sulfide solid electrolyte raw materials includes Li2S and P2S5, and A≥50 μm and B≥50 μm are satisfied, where A is a volume-based average particle diameter of the Li2S as measured by using a laser diffraction particle size distribution measurement method, and B is a volume-based average particle diameter of the P2S5 as measured by using the laser diffraction particle size distribution measurement method.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

21.

METHOD FOR MANUFACTURING ANTI-GLARE COVER, METHOD FOR MANUFACTURING OLED DISPLAY UNIT, ANTI-GLARE COVER, AND OLED DISPLAY UNIT

      
Application Number 19454279
Status Pending
Filing Date 2026-01-20
First Publication Date 2026-05-28
Owner AGC Inc. (Japan)
Inventor
  • Isshiki, Masanobu
  • Inoue, Aichi
  • Iwasaki, Tatsuya
  • Akama, Yuki

Abstract

A method for manufacturing an anti-glare cover is a method for manufacturing an anti-glare cover provided on an image display surface of an Organic Light Emitting Diode (OLED) display. The anti-glare cover includes an anti-glare substrate having an irregular surface on a surface on a side opposite to the image display surface of the OLED display and a light-scattering layer disposed between the anti-glare substrate and the OLED display. The manufacturing method includes selecting a combination of the anti-glare substrate with the light-scattering layer which satisfies Equations (1), (2), and (3) in the specification, and forming the anti-glare substrate and the light-scattering layer in the selected combination.

IPC Classes  ?

22.

METHOD FOR PRODUCING UNSATURATED HALOGEN COMPOUND AND HALOGEN-CONTAINING COMPOSITION

      
Application Number JP2025034963
Publication Number 2026/110502
Status In Force
Filing Date 2025-10-01
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Mitake, Akihito
  • Shiota, Hidefumi
  • Otsuka, Tetsuo
  • Sakai, Takayuki

Abstract

A method for producing an unsaturated halogen compound wherein an unsaturated halogen compound is obtained from a saturated halogen compound in a one-pot reaction in the presence of a metal, said unsaturated halogen compound having two or more unsaturated bonds and more carbon atoms than the saturated halogen compound.

IPC Classes  ?

23.

LAMINATED GLASS

      
Application Number JP2025035705
Publication Number 2026/110520
Status In Force
Filing Date 2025-10-08
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Mitsutake, Hideo
  • Aoki, Tokihiko

Abstract

This laminated glass includes first and second glass plates and an intermediate film, the laminated glass including: a first coating layer that reflects incident light; a second coating layer located closer to the second glass plate than the first coating layer; and a concealing layer located closer to the second glass plate than the first coating layer. At least one of the first and second coating layers has a sheet resistance value of 20 ohm/sq or more. The second coating layer is located at a position separated by 90 mm or more from the lower edge of the laminated glass. The distance between the ends of the first and second coating layers is less than 55 mm in a plan view. The concealing layer is provided on the lower peripheral edge portion of the laminated glass in a plan view. At least one of the first and second coating layers overlaps an end of the concealing layer that is located on the side farther from the lower edge of the laminated glass in a plan view.

IPC Classes  ?

  • C03C 27/12 - Laminated glass
  • B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
  • B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B60J 1/00 - WindowsWindscreensAccessories therefor
  • B60J 1/02 - WindowsWindscreensAccessories therefor arranged at the vehicle front

24.

METHOD FOR PRODUCING POLYETHER MONOOL

      
Application Number JP2025037458
Publication Number 2026/110557
Status In Force
Filing Date 2025-10-24
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Takeda, Hajime
  • Arai, Takeaki
  • Koguchi, Ryohei

Abstract

In the method for producing a polyether monool according to the present invention, an alkylene oxide is polymerized with an initiator that is a C10 or higher monohydric alcohol in the presence of a double metal cyanide catalyst. The double metal cyanide catalyst is represented by M1aa[M2bcc・d(M1ef22O).

IPC Classes  ?

  • C08G 65/12 - Saturated oxiranes characterised by the catalysts used containing organo-metallic compounds or metal hydrides
  • C08G 65/28 - Cyclic ethers and hydroxy compounds

25.

POLYETHER MONOOL

      
Application Number JP2025037610
Publication Number 2026/110566
Status In Force
Filing Date 2025-10-27
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Takeda, Hajime
  • Arai, Takeaki
  • Koguchi, Ryohei

Abstract

This polyether monool has a polyoxyalkylene chain and an initiator residue derived from a C10 or higher monohydric alcohol, the ratio of the molecular weight of the polyoxyalkylene chain to the molecular weight of the initiator residue is 7.0 or less, and the content of at least one metal selected from the group consisting of Zn, Co, Fe, Ni, Al, Sr, Mn, Cr, Cu, Sn, Pb, Mo, W and V is 1.0 ppm or more.

IPC Classes  ?

  • C08G 65/12 - Saturated oxiranes characterised by the catalysts used containing organo-metallic compounds or metal hydrides
  • C08G 65/28 - Cyclic ethers and hydroxy compounds

26.

LAMINATED GLASS

      
Application Number JP2025039405
Publication Number 2026/110658
Status In Force
Filing Date 2025-11-11
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Mitsutake, Hideo
  • Kato, Soichiro

Abstract

This laminated glass is provided with a first glass plate (11), a second glass plate (12), and an intermediate film (13) that is positioned between the first glass plate (11) and the second glass plate (12) and bonds the first glass plate (11) and the second glass plate (12) to each other. The laminated glass has a film (14) that is sealed in the intermediate film (13) and includes a louver structure. The film (14) includes a light-transmitting part (141) and a plurality of light-blocking parts (142) that are arranged at specific intervals in the light-transmitting part (141). The light-blocking parts (142) extend in the vertical direction with respect to the bottom edge of the laminated glass.

IPC Classes  ?

  • C03C 27/12 - Laminated glass
  • B32B 7/023 - Optical properties
  • B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B60J 1/00 - WindowsWindscreensAccessories therefor
  • B60J 1/02 - WindowsWindscreensAccessories therefor arranged at the vehicle front

27.

SOLID MATERIAL, MOLDED BODY, AND METHOD FOR PRODUCING SOLID MATERIAL

      
Application Number JP2025039802
Publication Number 2026/110699
Status In Force
Filing Date 2025-11-13
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Shibasaki Kosuke
  • Taguchi Daisuke

Abstract

22n3222n3223222OH is less than 150 per 10632n-1n-1-COOH).

IPC Classes  ?

  • C08J 3/12 - Powdering or granulating
  • C08F 8/20 - Halogenation
  • C08F 214/26 - Tetrafluoroethene
  • C08J 7/00 - Chemical treatment or coating of shaped articles made of macromolecular substances
  • C08J 7/18 - Chemical modification with polymerisable compounds using wave energy or particle radiation

28.

SOLID, MOLDED BODY, AND METHOD FOR PRODUCING SOLID

      
Application Number JP2025039808
Publication Number 2026/110700
Status In Force
Filing Date 2025-11-13
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Shibasaki Kosuke
  • Jomuta Daisuke
  • Matsumoto Ryota
  • Nihei Toshifumi
  • Taguchi Daisuke

Abstract

2223222OH is less than 150 per 106 main-chain carbon atoms in the copolymer, and the amount of outgas generated when the solid is heated at 300°C for 120 minutes is 100 mass ppb or less relative to the total mass of the solid, in terms of n-hexane.

IPC Classes  ?

29.

REFLECTIVE MASK BLANK, METHOD FOR PRODUCING REFLECTIVE MASK BLANK, REFLECTIVE MASK, METHOD FOR PRODUCING REFLECTIVE MASK

      
Application Number JP2025040374
Publication Number 2026/110799
Status In Force
Filing Date 2025-11-19
Publication Date 2026-05-28
Owner AGC INC. (Japan)
Inventor
  • Nakanishi Eita
  • Akagi Daijiro

Abstract

Provided is a reflective mask blank in which the ratio of the etching rate of an absorber film to the etching rate of a protective film is large. A reflective mask blank according to the present invention comprises a substrate, a multi-layer reflective film that reflects EUV light, a protective film, and an absorber film in this order, wherein the absorber film contains platinum, the oxygen atom content in the absorber film is less than 20 at% with respect to all atoms of the absorber film, and the rhodium content in the outermost layer of the protective film on the absorber film side is not less than 50 at% with respect to all atoms of the outermost layer.

IPC Classes  ?

  • G03F 1/24 - Reflection masksPreparation thereof

30.

Miscellaneous Design

      
Serial Number 99839745
Status Pending
Filing Date 2026-05-22
Owner AGC Inc. (Japan)
NICE Classes  ? 09 - Scientific and electric apparatus and instruments

Goods & Services

Optical display glass, namely, chemically strengthened or chemically strengthenable glass for cellular phones, portable computers, handheld computers, computers, television receivers, digital cameras, video cameras and navigation apparatus for vehicles; optical display glass, namely, chemically strengthened or chemically strengthenable glass for flat panel display screens; chemically strengthened or chemically strengthenable cover glass for photovoltaic cells, namely, photovoltaic cover glass for use as a component part of solar batteries; chemically strengthened or chemically strengthenable glass substrates for use as a component part of photovoltaic cells, hard disk drives, and LED lighting; glass covered with an electrical conductor

31.

OPTICAL MEMBER AND FAR-INFRARED SENSOR MODULE

      
Application Number 19441602
Status Pending
Filing Date 2026-01-06
First Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Nakayama, Yuta
  • Yasui, Yoji
  • Onozaki, Yu
  • Ugawa, Yuji
  • Sakurada, Tomoaki

Abstract

To provide an optical member that appropriately transmits far-infrared rays having a wavelength of 8 μm to 12 μm and exhibits white color. In the present invention, in a CIE 1976 (L+, a+, b+) color space measured by an SCE method based on geometric condition c of JIS-Z8772:2009, L+ is 50 or more, a+ is −15 or more and 15 or less, and b+ is −15 or more and 15 or less, and an average transmittance TPIR (%) of light having a wavelength of 8 μm to 12 μm satisfies TFIR≥20.

IPC Classes  ?

  • G02B 5/20 - Filters
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 1/113 - Anti-reflection coatings using inorganic layer materials only
  • H10F 77/30 - Coatings

32.

POLISHING AGENT AND METHOD FOR PRODUCING THE SAME, METHOD FOR PRODUCING POLISHING AGENT ADDITIVE LIQUID, POLISHING METHOD, AND METHOD FOR MANUFACTURING SEMICONDUCTOR COMPONENT

      
Application Number 19448285
Status Pending
Filing Date 2026-01-14
First Publication Date 2026-05-21
Owner AGC Inc. (Japan)
Inventor Koga, Hiroka

Abstract

A polishing agent contains abrasive grains, an anionic polymer or a salt thereof, and water. The anionic polymer has an acid value of 400 mgKOH/g or less. The polishing agent satisfies at least one of the following conditions: X1=N11/N12 is 1.5 or less, X2=N21/N22 is 7.0 or less, and X3=N31/N32 is 10 or less, where N11, N21, and N31 represent the number of particles contained per unit mass of the abrasive grains in the polishing agent that have a particle size of 0.56 μm or more, 0.79 μm or more, and 0.98 μm or more, respectively; and N12, N22, and N32 represent the number of particles contained per unit mass of abrasive grains in an abrasive grain dispersion containing the abrasive grains, a dispersant, and water that have a particle size of 0.56 μm or more, 0.79 μm or more, and 0.98 μm or more, respectively.

IPC Classes  ?

  • C09G 1/02 - Polishing compositions containing abrasives or grinding agents
  • B24B 37/04 - Lapping machines or devicesAccessories designed for working plane surfaces
  • H10P 52/40 -

33.

COMPOSITE METAL CYANIDE COMPLEX CATALYST POWDER, METHOD FOR PRODUCING POLYETHER COMPOUND, METHOD FOR PRODUCING POLYETHER COMPOUND HAVING REACTIVE SILICON GROUP, METHOD FOR PRODUCING POLYETHER COMPOUND HAVING URETHANE BOND, AND METHOD FOR PRODUCING POLYETHER COMPOUND HAVING POLYMERIZABLE UNSATURATED GROUP

      
Application Number JP2025035571
Publication Number 2026/105502
Status In Force
Filing Date 2025-10-07
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Hayashi, Tomohiro
  • Suzuki, Tomoyuki
  • Ito, Takashi
  • Yamada, Kazuhiko

Abstract

The present invention relates a particulate composite metal cyanide complex catalyst powder in which the value of A1/A2 is 0.5 or less as measured by simultaneous thermogravimetry and differential thermal analysis, where A1 is the ratio of the mass decreasing at 30-150°C to the total mass of the composite metal cyanide complex catalyst powder and A2 is the ratio of the mass decreasing at 150-220°C to the total mass of the composite metal cyanide complex catalyst powder.

IPC Classes  ?

  • C08G 65/12 - Saturated oxiranes characterised by the catalysts used containing organo-metallic compounds or metal hydrides
  • C08G 18/48 - Polyethers
  • C08G 65/333 - Polymers modified by chemical after-treatment with organic compounds containing nitrogen
  • C08G 65/336 - Polymers modified by chemical after-treatment with organic compounds containing silicon

34.

RELEASE FILM

      
Application Number JP2025039345
Publication Number 2026/105718
Status In Force
Filing Date 2025-11-10
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Kotera Seigo
  • Horiguchi Yuya
  • Yaoita Takatoshi

Abstract

The present invention relates to a release film having a substrate, an antistatic layer, and a release layer in this order, wherein the release layer contains at least one conductive material selected from a conductive polymer, an ionic liquid, a surfactant, a conductive metal oxide, a metal-ion-conductive salt, and a conductive carbon material.

IPC Classes  ?

  • B32B 27/00 - Layered products essentially comprising synthetic resin
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin

35.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, ELECTROLYTIC HYDROGENATION DEVICE, AND METHOD FOR PRODUCING HYDROGEN

      
Application Number JP2025039677
Publication Number 2026/105789
Status In Force
Filing Date 2025-11-12
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Hayabe Shintaro
  • Sawada Toshiaki
  • Okada Hideyuki
  • Ueda Eijun
  • Saito Yusuke
  • Isoda Kaho

Abstract

Provided are: a solid polymer electrolyte membrane excellent in airtightness during high-pressure water electrolysis; a membrane electrode assembly; a water electrolysis device; an electrolytic hydrogenation device; and a method for producing hydrogen. A solid polymer electrolyte membrane according to the present disclosure contains a fluorine-containing polymer having an ion exchange group, and a reinforcing material, wherein: the reinforcing material is composed of polyether ether ketone; the ion exchange capacity of the fluorine-containing polymer is 1.10 milliequivalents per gram of dry resin or more; and the content of the reinforcing material is 6.0 mass % or more with respect to the total mass of the solid polymer electrolyte membrane.

IPC Classes  ?

  • C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water
  • C25B 3/03 - Acyclic or carbocyclic hydrocarbons
  • C25B 3/25 - Reduction
  • C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
  • C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
  • C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
  • C25B 13/04 - DiaphragmsSpacing elements characterised by the material
  • H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
  • H01B 1/12 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances organic substances

36.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, ELECTROLYTIC HYDROGENATION DEVICE, AND METHOD FOR PRODUCING HYDROGEN

      
Application Number JP2025039679
Publication Number 2026/105790
Status In Force
Filing Date 2025-11-12
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Hayabe Shintaro
  • Sawada Toshiaki
  • Okada Hideyuki
  • Ueda Eijun
  • Saito Yusuke
  • Isoda Kaho

Abstract

Provided are: a solid polymer electrolyte membrane excellent in chemical durability; a membrane electrode assembly; a water electrolysis device; an electrolytic hydrogenation device; and a method for producing hydrogen. A solid polymer electrolyte membrane according to the present disclosure contains a fluorine-containing polymer having an ion exchange group, a reinforcing material, and a platinum-containing material, wherein: the reinforcing material is composed of polyether ether ketone; and the ion exchange capacity of the fluorine-containing polymer is 1.10 milliequivalents per gram of dry resin or more.

IPC Classes  ?

  • C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water
  • C25B 3/03 - Acyclic or carbocyclic hydrocarbons
  • C25B 3/25 - Reduction
  • C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
  • C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
  • C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
  • C25B 13/04 - DiaphragmsSpacing elements characterised by the material
  • H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
  • H01B 1/12 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances organic substances

37.

OPTICAL ELEMENT, OPTICAL UNIT FOR CAMERA, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT

      
Application Number JP2025039790
Publication Number 2026/105814
Status In Force
Filing Date 2025-11-13
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor Tsunoda, Atsushi

Abstract

Provided is a technique capable of improving the quality of an antireflection film continuously formed over both a first surface of a transparent substrate and a second surface of a light shielding film. This optical element comprises: a transparent substrate having a first surface and a recessed part formed in a portion of the first surface; a light shielding film provided in the recessed part, having no step with respect to the first surface, and having a second surface formed continuously with the first surface; and an antireflection film formed continuously over both the first surface and the second surface.

IPC Classes  ?

38.

SULFIDE SOLID ELECTROLYTE PRODUCTION METHOD

      
Application Number 19450993
Status Pending
Filing Date 2026-01-16
First Publication Date 2026-05-21
Owner AGC Inc. (Japan)
Inventor
  • Omori, Norifumi
  • Fujii, Naoki
  • Seki, Hidenobu

Abstract

A method for producing a sulfide solid electrolyte includes: heating and melting a mixture of sulfide solid electrolyte raw materials; and cooling and solidifying resulting melt to obtain a sulfide solid electrolyte. The mixture of sulfide solid electrolyte raw materials includes Li2S and P2S5, and A<250 μm and B<250 μm are satisfied, where A is a volume-based average particle diameter of the Li2S as measured by using a laser diffraction particle size distribution measurement method, and B is a volume-based average particle diameter of the P2S5 as measured by using the laser diffraction particle size distribution measurement method.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

39.

SHEET, METHOD FOR PRODUCING SHEET, AND CROSSLINKED RUBBER ARTICLE

      
Application Number JP2025020251
Publication Number 2026/105370
Status In Force
Filing Date 2025-06-04
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Tamura, Tasuku
  • Kawai, Tsuyoshi

Abstract

Provided is a sheet containing a fluorine-containing copolymer. The arithmetic mean surface roughness Ra of at least one surface of the sheet is 5.0 μm or less, and the thickness of the sheet is 4 mm or less. Also provided is a method for producing a sheet containing a fluorine-containing copolymer, in which method a raw material containing a fluorine-containing copolymer is wound around a roll by a roll kneader equipped with at least one pair of rolls to form a sheet, the maximum temperature of the raw material when forming the sheet is 60°C or more, and the thickness of the obtained sheet is 4 mm or less.

IPC Classes  ?

  • B29B 7/56 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders with co-operating rollers
  • B29B 7/64 - Stripping the material from the rollers
  • B29B 7/80 - Component parts, details or accessoriesAuxiliary operations
  • C08J 5/18 - Manufacture of films or sheets

40.

GLASS PRODUCTION METHOD AND GLASS PRODUCTION DEVICE

      
Application Number JP2025038009
Publication Number 2026/105583
Status In Force
Filing Date 2025-10-29
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Kusano, Daisuke
  • Tsuchiya, Masahiro
  • Sugimura, Keisuke
  • Akamatsu, Koichiro

Abstract

Provided is a glass production method which comprises: conveying a glass plate (100) in a first direction, which is the conveyance direction of the glass plate (100), on a plurality of rollers (10) that are arranged at intervals in the first direction; and rotating the glass plate (100) on the plurality of rollers (10) by individually moving each of the rollers (10) in a second direction along the rotation center line of each of the rollers (10) in a first region (A1) in the conveyance path of the glass plate (100). Also provided is a glass production method which comprises: increasing the moving speed of each of the rollers (10) in the second direction to a set speed before the glass plate (100) starts riding on each of the rollers (10) in the first region (A1); and decreasing the moving speed of each of the rollers (10) in the second direction while the glass plate (100) is riding on each of the rollers (10).

IPC Classes  ?

  • C03B 35/16 - Transporting hot glass sheets by roller conveyors
  • B65G 47/28 - Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor

41.

REFLECTIVE MASK BLANK, REFLECTIVE MASK, AND METHOD FOR MANUFACTURING REFLECTIVE MASK

      
Application Number JP2025038978
Publication Number 2026/105668
Status In Force
Filing Date 2025-11-06
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Nakanishi Eita
  • Akagi Daijiro
  • Tsukiyama Keishi

Abstract

Provided is a reflective mask blank in which after an absorber film is etched, a modified layer does not readily form on the side surface of the absorber film exposed by etching, the etching rate of a buffer layer is high, and the crystallinity of the buffer layer is low. This reflective mask blank has a substrate, a multilayer reflective film that reflects EUV light, a buffer layer, and an absorber film in the stated order, wherein the absorber film contains platinum, the buffer layer contains nitrogen, and the nitrogen content is 20 at% or less relative to all atoms in the buffer layer.

IPC Classes  ?

  • G03F 1/24 - Reflection masksPreparation thereof

42.

FLUORINE-CONTAINING CROSSLINKED BODY AND METHOD FOR PRODUCING SAME, AND LAMINATE AND METHOD FOR MANUFACTURING SAME

      
Application Number JP2025039672
Publication Number 2026/105786
Status In Force
Filing Date 2025-11-12
Publication Date 2026-05-21
Owner
  • AGC INC. (Japan)
  • THE UNIVERSITY OF OSAKA (Japan)
Inventor
  • Kawai, Tsuyoshi
  • Ohkubo, Kei

Abstract

Provided is a method for producing a fluorine-containing crosslinked body, wherein an untreated crosslinked body, which is obtained by crosslinking a crosslinkable composition containing a fluorine-containing copolymer and has at least one reaction site selected from a C-H bond, a C-N bond, and a -X bond (X is a halogen atom other than a fluorine atom), is irradiated with light having a wavelength of 290 nm or more in a chlorine dioxide radical-containing gas phase to introduce a group containing an oxygen atom. Preferably, the fluorine-containing copolymer includes a crosslinkable fluorine-containing copolymer, and the crosslinkable fluorine-containing copolymer includes at least one selected from the group consisting of: a copolymer containing a unit based on tetrafluoroethylene, a unit based on perfluoro (alkyl vinyl ether), and a unit based on a monomer having a nitrile group; a copolymer containing a unit based on tetrafluoroethylene and a unit based on propylene; and a copolymer containing a unit based on hexafluoropropylene and a unit based on vinylidene fluoride.

IPC Classes  ?

  • C08J 7/00 - Chemical treatment or coating of shaped articles made of macromolecular substances
  • B32B 15/082 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising vinyl resinsLayered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising acrylic resins
  • C08F 210/06 - Propene
  • C08F 214/26 - Tetrafluoroethene
  • C08F 216/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical by an ether radical

43.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, ELECTROLYTIC HYDROGENATION DEVICE, AND METHOD FOR PRODUCING HYDROGEN

      
Application Number JP2025039676
Publication Number 2026/105788
Status In Force
Filing Date 2025-11-12
Publication Date 2026-05-21
Owner AGC INC. (Japan)
Inventor
  • Hayabe Shintaro
  • Sawada Toshiaki
  • Okada Hideyuki
  • Ueda Eijun
  • Saito Yusuke
  • Isoda Kaho

Abstract

Provided is a solid polymer electrolyte membrane which hardly causes surface unevenness when brought into contact with a solvent. The solid polymer electrolyte membrane contains: a fluorine-containing polymer having an ion exchange group; and a woven fabric. The warps and wefts constituting the woven fabric contain polyether ether ketone, the diameters of the warps and wefts constituting the woven fabric are each independently 30 µm or less, the density of the warps constituting the woven fabric and the density of the wefts constituting the woven fabric are each independently 110 per inch or more.

IPC Classes  ?

  • C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water
  • C25B 3/03 - Acyclic or carbocyclic hydrocarbons
  • C25B 3/25 - Reduction
  • C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
  • C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
  • C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
  • C25B 13/04 - DiaphragmsSpacing elements characterised by the material
  • H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
  • H01B 1/12 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances organic substances

44.

TRANSFER LAMINATE FOR OPTICAL FILM

      
Application Number JP2025037989
Publication Number 2026/100424
Status In Force
Filing Date 2025-10-29
Publication Date 2026-05-15
Owner AGC INC. (Japan)
Inventor
  • Sato Yusuke
  • Mitsunaga Tomofumi
  • Sekikawa Kenta

Abstract

The present invention relates to a transfer laminate for an optical film, the transfer laminate comprising a substrate, an alignment film, and a vertically aligned liquid crystal film in the given order. The polar term of surface free energy of the alignment film is 1.0 mJ/m2 or greater, and the silicone-based surfactant content of the alignment film is less than 1.5 parts by mass with respect to 100 parts by mass of a resin in the alignment film. The vertically aligned liquid crystal film contains a silicone-based surfactant at a proportion of 0.3 to 4.0 parts by mass with respect to 100 parts by mass of a liquid crystal compound in the vertically aligned liquid crystal film.

IPC Classes  ?

45.

METHOD FOR PRODUCING MESODERMAL LINEAGE CELLS FROM EMBRYOID BODY

      
Application Number JP2025038109
Publication Number 2026/100440
Status In Force
Filing Date 2025-10-30
Publication Date 2026-05-15
Owner AGC INC. (Japan)
Inventor
  • Ide, Masamichi
  • Sudo, Yumi
  • Hagiya, Yuichiro
  • Kariya, Masahiro

Abstract

The present invention provides a method for producing mesodermal lineage cells from an embryoid body, the method comprising: (1) a step for inducing an embryoid body into a differentiated embryoid body in which differentiation into a mesodermal cell lineage is promoted; and (2) a step for determining the solidity of the induced differentiated embryoid body.

IPC Classes  ?

  • C12N 5/073 - Embryonic cells or tissuesFoetal cells or tissues
  • C12N 1/38 - Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factorsStimulation of growth by removal of a chemical compound
  • C12N 5/10 - Cells modified by introduction of foreign genetic material, e.g. virus-transformed cells
  • C12N 5/071 - Vertebrate cells or tissues, e.g. human cells or tissues
  • C12N 5/0735 - Embryonic stem cellsEmbryonic germ cells
  • C12N 5/0789 - Stem cellsMultipotent progenitor cells

46.

OPTICAL FILTER, NEAR-INFRARED LIGHT SENSOR MODULE, AND METHOD FOR MANUFACTURING OPTICAL FILTER

      
Application Number JP2025039014
Publication Number 2026/100657
Status In Force
Filing Date 2025-11-06
Publication Date 2026-05-15
Owner
  • AGC INC. (Japan)
  • OPTICAL COATINGS JAPAN (Japan)
Inventor
  • Ito, Hiroto
  • Enyo, Tomonori
  • Miyake, Masaaki
  • Tatsuoka, Naoto

Abstract

Provided is an optical filter comprising a base material and a dielectric multilayer film provided on at least one main surface of the base material, wherein: the dielectric multilayer film is a laminate in which one or more of each of a low-refractive-index film, a medium-refractive-index film, and a high-refractive-index film are laminated; the dielectric multilayer film has at least one structure in which a low-refractive-index film, a medium-refractive-index film, a barrier film, and a high-refractive-index film are laminated in the stated order; the medium-refractive-index film includes one or more of an oxide, a nitride, an oxynitride, and a fluoride of a first element; the barrier film includes one or more of an oxide, a nitride, an oxynitride, and a fluoride of a second element; the thickness of the barrier film is 80 nm or less; in a wavelength region of 800-1600 nm, the average extinction coefficient of the second element is smaller than the average extinction coefficient of the first element; and the high-refractive-index film includes one or more of silicon, germanium, and silicon germanium.

IPC Classes  ?

  • G02B 5/28 - Interference filters
  • G01S 7/481 - Constructional features, e.g. arrangements of optical elements

47.

METHANOL SYNTHESIS CATALYST AND METHOD FOR PRODUCING METHANOL SYNTHESIS CATALYST

      
Application Number JP2025039148
Publication Number 2026/100691
Status In Force
Filing Date 2025-11-07
Publication Date 2026-05-15
Owner
  • AGC INC. (Japan)
  • INSTITUTE OF SCIENCE TOKYO (Japan)
Inventor
  • Toda, Yoshitake
  • Sakai, Tomohiro
  • Furuya, Kenji
  • Hosono, Hideo
  • Kitano, Masaaki

Abstract

233N. In general formula (1), A is at least one metal that is selected from cobalt and nickel.

IPC Classes  ?

  • B01J 27/24 - Nitrogen compounds
  • B01J 37/04 - Mixing
  • B01J 37/08 - Heat treatment
  • C07B 61/00 - Other general methods
  • C07C 29/156 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used containing iron group metals, platinum group metals, or compounds thereof
  • C07C 31/04 - Methanol

48.

VEHICLE

      
Application Number JP2025038623
Publication Number 2026/100553
Status In Force
Filing Date 2025-11-04
Publication Date 2026-05-15
Owner AGC INC. (Japan)
Inventor Funatsu, Toshifumi

Abstract

A vehicle (10) according to one aspect of the present invention has vehicle window glass (100) that is attached to an opening formed in a conductive frame material (11) provided to a vehicle body. The vehicle window glass (100) has an intermediate film (130) and a light control element (140) between a first glass sheet (110) and a second glass sheet (120). At least one among a second main surface, a third main surface, and a fourth main surface of the vehicle window glass (100) has formed thereon a conductive film (150) up to the outer edge of the second main surface, the third main surface, or the fourth main surface. When the vehicle window glass (100) is attached to the vehicle body, the conductive film (150) overlaps the frame material (11) in a plan view. The vehicle (10) further has an antenna (12) that is attached to the vehicle body. The antenna (12) is disposed at a position away from the end of the frame material by 50 mm or more.

IPC Classes  ?

  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • B60J 1/00 - WindowsWindscreensAccessories therefor
  • H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
  • H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure

49.

METHANOL SYNTHESIS CATALYST AND METHOD FOR PRODUCING METHANOL SYNTHESIS CATALYST

      
Application Number JP2025039150
Publication Number 2026/100692
Status In Force
Filing Date 2025-11-07
Publication Date 2026-05-15
Owner
  • AGC INC. (Japan)
  • INSTITUTE OF SCIENCE TOKYO (Japan)
Inventor
  • Toda, Yoshitake
  • Sakai, Tomohiro
  • Furuya, Kenji
  • Hosono, Hideo
  • Kitano, Masaaki

Abstract

2-xxxN. In general formula (1), A is at least one metal selected from among palladium, cobalt, nickel and rhodium, and 0.02

IPC Classes  ?

  • B01J 27/24 - Nitrogen compounds
  • B01J 37/04 - Mixing
  • B01J 37/08 - Heat treatment
  • C07B 61/00 - Other general methods
  • C07C 29/156 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used containing iron group metals, platinum group metals, or compounds thereof
  • C07C 29/157 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used containing iron group metals, platinum group metals, or compounds thereof containing platinum group metals or compounds thereof
  • C07C 31/04 - Methanol

50.

RESIN COMPOSITION AND MOLDED PRODUCT

      
Application Number 19429029
Status Pending
Filing Date 2025-12-22
First Publication Date 2026-05-14
Owner AGC Inc. (Japan)
Inventor
  • Abe, Masatoshi
  • Sasaki, Toru
  • Ochi, Yousuke

Abstract

A resin composition having excellent molding workability, with which it is possible to obtain a molded product having excellent mechanical properties and surface smoothness, and a molded product formed of the resin composition. The resin composition includes a melt-moldable fluorine resin and a polyacrylonitrile-based carbon fiber. The polyacrylonitrile-based carbon fiber has a carbon atom content ratio of 90% to 99% by mass, the polyacrylonitrile-based carbon fiber has an average fiber length of 1 mm or less, and the fluorine resin has a mass ratio of 60/40 to 95/5 with respect to the polyacrylonitrile-based carbon fiber.

IPC Classes  ?

51.

METHOD FOR PRODUCING 3-METHYL-1,2,4-THIADIAZOLE-5-CARBOHYDRAZIDE

      
Application Number 19432331
Status Pending
Filing Date 2025-12-24
First Publication Date 2026-05-14
Owner AGC INC. (Japan)
Inventor
  • Oikawa, Daiki
  • Nakai, Katsuya
  • Suzuki, Hideo

Abstract

The present invention aims to provide a method for producing 3-methyl-1,2,4-thiadiazole-5-carbohydrazide safely and in high yield. The present invention relates to a method for producing 3-methyl-1,2,4-thiadiazole-5-carbohydrazide or a salt thereof, via a compound represented by the formula (2): The present invention aims to provide a method for producing 3-methyl-1,2,4-thiadiazole-5-carbohydrazide safely and in high yield. The present invention relates to a method for producing 3-methyl-1,2,4-thiadiazole-5-carbohydrazide or a salt thereof, via a compound represented by the formula (2): wherein R is a C1-4 alkyl group, which is a novel compound, or a salt thereof. According to the present invention, a safe and high-yielding production method of 3-methyl-1,2,4-thiadiazole-5-carbohydrazide, which is an important synthetic intermediate for fezolinetant useful as a medicament for the treatment of sex hormone-dependent diseases, can be provided.

IPC Classes  ?

  • C07D 285/08 - 1,2,4-ThiadiazolesHydrogenated 1,2,4-thiadiazoles

52.

METHOD FOR PRODUCING FLUORINATED ELASTOMER, AQUEOUS DISPERSION, AND SOLID COMPOSITION

      
Application Number 19442950
Status Pending
Filing Date 2026-01-07
First Publication Date 2026-05-14
Owner AGC INC. (Japan)
Inventor
  • Yanagiya, Aoi
  • Shibasaki, Kosuke
  • Hattori, Yukiko
  • Toyoda, Mizuna
  • Taguchi, Daisuke
  • Tamura, Tasuku
  • Kamimori, Koichiro

Abstract

To provide a method for producing a fluorinated elastomer, by which a fluorinated polymer excellent in water dispersion stability can be efficiently produced without using an emulsifier, while an aqueous medium with a small environmental impact is used. A method for producing a fluorinated elastomer, which comprises, in an aqueous dispersion that contains substantially no water-soluble emulsifier, and contains a first fluorinated polymer having TFE units and PAVE units and an aqueous medium, polymerizing a monomer containing TFE and PAVE to produce a second fluorinated polymer, wherein in the first fluorinated polymer, a content of the PAVE units is 20 to 95 mol % to a total content of the TFE units and the PAVE units, in the second fluorinated polymer, a content of the PAVE units is 20 to 95 mol % to a total content of the TFE units and the PAVE units, and before start of the polymerization of the monomer, a content of the first fluorinated polymer is 0.01 to 4.0 mass % to a total mass of the aqueous dispersion.

IPC Classes  ?

53.

COMPOUND, COMPOSITION, SURFACE TREATMENT AGENT, METHOD FOR MANUFACTURING ARTICLE, AND ARTICLE

      
Application Number 19443192
Status Pending
Filing Date 2026-01-08
First Publication Date 2026-05-14
Owner AGC Inc. (Japan)
Inventor
  • Sakaguchi, Hironobu
  • Anraku, Eiichiro
  • Kawakami, Shiori
  • Hirata, Yasuhiro
  • Enta, Toyokazu
  • Haraguchi, Masayuki

Abstract

A new compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent light stability on a substrate, a surface treatment agent capable of forming such a surface-treated layer, a method for manufacturing an article including such a surface-treated layer, and an article are provided. A compound represented by Formula (1-1) or Formula (1-2). A new compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent light stability on a substrate, a surface treatment agent capable of forming such a surface-treated layer, a method for manufacturing an article including such a surface-treated layer, and an article are provided. A compound represented by Formula (1-1) or Formula (1-2).

IPC Classes  ?

54.

THERMAL CYCLING SYSTEM AND THERMAL CYCLING METHOD

      
Application Number 19385902
Status Pending
Filing Date 2025-11-11
First Publication Date 2026-05-14
Owner AGC INC. (Japan)
Inventor Hayamizu, Hiroki

Abstract

Provided is a thermal cycling system including: a working medium; a compressor; a condenser; a pressure reducing device; and an evaporator, in which the working medium includes HFO-1123, HFO-1234yf, and R290, in a case in which a content of the R290 is defined as A mass % and a content of the HFO-1123 is defined as B mass %, the A and the B satisfy Equation (1) and Equation (2) below, a total content of the HFO-1123, the HFO-1234yf, the R290 is 99.0 mass % or more with respect to a total amount of the working medium, the evaporator is controlled such that an evaporation temperature of the working medium is −45° C. or higher, Equation (1) is −1.6433×A+38.1000≤B≤0.0136×A2−0.8364×A+61.0167, and Equation (2) is 2.0≤A≤9.0.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
  • F25B 1/00 - Compression machines, plants or systems with non-reversible cycle

55.

THERMAL CYCLING SYSTEM AND THERMAL CYCLING METHOD

      
Application Number 19385920
Status Pending
Filing Date 2025-11-11
First Publication Date 2026-05-14
Owner AGC INC. (Japan)
Inventor Hayamizu, Hiroki

Abstract

Provided are a thermal cycling system and a thermal cycling method, thermal cycling system including: a working medium; a compressor that compresses a vapor of the working medium; a condenser that cools and liquefies the vapor of the working medium discharged from the compressor; a pressure reducing device that reduces a pressure of the working medium discharged from the condenser; and an evaporator that heats the working medium discharged from the pressure reducing device, in which the working medium includes HFO-1123 and HFO-1234yf, a content of the HFO-1123 is from 31.5 to 42.0 mass % with respect to a total content of the HFO-1123 and the HFO-1234yf, the total content of the HFO-1123 and the HFO-1234yf is 99.0 mass % or more with respect to a total amount of the working medium, and the evaporator is controlled such that an evaporation temperature of the working medium is −40° C. or higher.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
  • F25B 1/00 - Compression machines, plants or systems with non-reversible cycle

56.

COMPOUND, COMPOSITION, SURFACE TREATMENT AGENT, METHOD FOR MANUFACTURING ARTICLE, AND ARTICLE

      
Application Number 19443115
Status Pending
Filing Date 2026-01-08
First Publication Date 2026-05-14
Owner AGC Inc. (Japan)
Inventor
  • Watanabe, Koki
  • Anraku, Eiichiro
  • Enta, Toyokazu
  • Haraguchi, Masayuki
  • Kobayashi, Daisuke
  • Tokunaga, Yoshihito

Abstract

A new compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate, a surface treatment agent capable of forming such a surface-treated layer, a method for manufacturing an article including such a surface-treated layer, and such an article are provided. A compound represented by Formula (1-1) or Formula (1-2) A new compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate, a surface treatment agent capable of forming such a surface-treated layer, a method for manufacturing an article including such a surface-treated layer, and such an article are provided. A compound represented by Formula (1-1) or Formula (1-2)

IPC Classes  ?

  • C09D 5/16 - Anti-fouling paintsUnderwater paints
  • C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • C08G 77/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon
  • C08G 77/04 - Polysiloxanes
  • C08G 77/18 - Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
  • C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
  • C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
  • C09D 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen

57.

COMPOUND, COMPOSITION, SURFACE TREATMENT AGENT, ARTICLE, AND METHOD FOR MANUFACTURING ARTICLE

      
Application Number 19443138
Status Pending
Filing Date 2026-01-08
First Publication Date 2026-05-14
Owner AGC Inc. (Japan)
Inventor
  • Hirata, Yasuhiro
  • Sakaguchi, Hironobu
  • Anraku, Eiichiro
  • Kawakami, Shiori

Abstract

A novel compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate are provided. A novel compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate are provided. A compound represented by Formula (1-1) or Formula (1-2) A novel compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate are provided. A compound represented by Formula (1-1) or Formula (1-2) T-O—(Si(R2)2—O)m—Si(R2)2-A-(Si(R)nL3-n)q  (1-1) A novel compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate are provided. A compound represented by Formula (1-1) or Formula (1-2) T-O—(Si(R2)2—O)m—Si(R2)2-A-(Si(R)nL3-n)q  (1-1) (L3-n(R)nSi)q-A-(Si(R2)2—O)m—Si(R2)2-A-(Si(R)nL3-n)q  (1-2).

IPC Classes  ?

  • C08G 77/388 - Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing nitrogen
  • C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups

58.

MANUFACTURING METHOD OF GLASS PLATE HAVING HOLES, AND GLASS PLATE

      
Application Number 19443181
Status Pending
Filing Date 2026-01-08
First Publication Date 2026-05-14
Owner AGC Inc. (Japan)
Inventor
  • Isobe, Mamoru
  • Horiuchi, Kohei
  • Nakayama, Satoshi

Abstract

A manufacturing method of a glass plate having holes, includes: (1) having a first surface of a glass base material irradiated with a laser, to form initial holes each having a first initial opening, wherein each initial hole is an initial through hole or non-through hole, wherein the first initial opening has a maximum dimension φ1S of 5 μm or greater, and wherein in each initial hole, denoting a depth as d1, an aspect ratio (d1/φ1S) is 15 or greater; and (2) etching the glass base material with an alkaline solution, to form processed holes from the initial holes, wherein each processed hole has a first opening on the first surface, and wherein the first opening has a diameter φ1 defined as an average of diameters of circumscribed and inscribed circles of the first opening, and a roundness P1, and a ratio P1/φ1 is 10% or less.

IPC Classes  ?

  • C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments
  • C03B 33/08 - Severing cooled glass by fusing
  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching

59.

COMPOUND, COMPOSITION, SURFACE TREATMENT AGENT, ARTICLE, AND METHOD FOR MANUFACTURING ARTICLE

      
Application Number 19445883
Status Pending
Filing Date 2026-01-12
First Publication Date 2026-05-14
Owner AGC Inc. (Japan)
Inventor
  • Sakaguchi, Hironobu
  • Anraku, Eiichiro
  • Kawakami, Shiori

Abstract

A novel compound and the like that are useful as a surface treatment agent capable of forming, on a substrate, a surface treatment layer having excellent water repellency and abrasion resistance are provided. The compound includes: the following Group P; a partial structure having 2 to 5 atoms selected from Si, Sn, and Ge linked together; and one or more groups selected from an alkylene group, a polyalkylene oxide group, and an organopolysiloxane group. Group P: —Si(R1)nL3-n. However, R1 is each independently a hydrocarbon group, L is each independently a hydrolyzable group, or a hydroxyl group, and n is an integer from 0 to 2.

IPC Classes  ?

  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • C07F 7/22 - Tin compounds
  • C07F 7/30 - Germanium compounds
  • C08G 77/04 - Polysiloxanes
  • C08G 77/44 - Block- or graft-polymers containing polysiloxane sequences containing only polysiloxane sequences
  • C08G 77/46 - Block- or graft-polymers containing polysiloxane sequences containing polyether sequences
  • C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
  • C09D 183/04 - Polysiloxanes
  • C09D 183/10 - Block or graft copolymers containing polysiloxane sequences
  • G02B 1/12 - Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation

60.

CORDIERITE SINTERED BODY AND METHOD FOR PRODUCING SAME

      
Application Number 19445740
Status Pending
Filing Date 2026-01-12
First Publication Date 2026-05-14
Owner
  • AGC INC. (Japan)
  • AGC CERAMICS CO., LTD. (Japan)
Inventor
  • Ogawa, Shuhei
  • Miyakawa, Naomichi
  • Umezome, Takuya
  • Inoue, Saori

Abstract

Provided is a cordierite sintered body including at least calcium, magnesium, aluminum, and silicon among elements belonging to an element group M1 consisting of calcium, magnesium, aluminum, yttrium, and silicon, in which a content of silicon is 44.0 mass % or more and 53.0 mass % or less in terms of oxides, a content of calcium is 2.0 mass % or less in terms of oxides, a content of yttrium is 7.0 mass % or less in terms of oxides, a content of an element M2 including a metal element other than the elements belonging to the element group M1 is 2.5 mass % or less in terms of oxides, and a dielectric loss tangent at 20 GHz is 0.00100 or less.

IPC Classes  ?

  • C04B 35/195 - Alkaline earth aluminosilicates, e.g. cordierite
  • C04B 35/64 - Burning or sintering processes

61.

AGC

      
Serial Number 99821438
Status Pending
Filing Date 2026-05-13
Owner AGC Inc. (Japan)
NICE Classes  ?
  • 12 - Land, air and water vehicles; parts of land vehicles
  • 21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware

Goods & Services

Glass for vehicles; sensors and antennas sold as integral components of glass for vehicles; sensors and antennas sold as integral components of vehicles; Molded plastic automotive components, namely, windshield gaskets Unfinished glass for vehicles; sensors and antennas sold as integral components of unfinished glass for vehicles

62.

CATALYST LAYER FORMING COMPOSITION, CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL

      
Document Number 03308254
Status Pending
Filing Date 2024-10-22
Open to Public Date 2026-05-13
Owner AGC INC. (Japan)
Inventor
  • Kato, Ryogo
  • Shiono, Takeshi

IPC Classes  ?

  • H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
  • H01M 4/90 - Selection of catalytic material
  • H01M 4/92 - Metals of platinum group
  • H01M 4/96 - Carbon-based electrodes
  • H01M 8/10 - Fuel cells with solid electrolytes

63.

ELECTROMAGNETIC-WAVE REFLECTING FILM

      
Document Number 03308569
Status Pending
Filing Date 2024-11-05
Open to Public Date 2026-05-13
Owner AGC INC. (Japan)
Inventor Kambara, Kumiko

IPC Classes  ?

  • B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
  • H01Q 15/14 - Reflecting surfacesEquivalent structures

64.

ELECTROMAGNETIC-WAVE REFLECTING FILM AND METHOD FOR TILING ELECTROMAGNETIC-WAVE REFLECTING FILM

      
Document Number 03308580
Status Pending
Filing Date 2024-11-05
Open to Public Date 2026-05-13
Owner AGC INC. (Japan)
Inventor Kambara, Kumiko

IPC Classes  ?

  • H01Q 15/14 - Reflecting surfacesEquivalent structures

65.

COMPOUND, METHOD FOR MANUFACTURING COMPOUND, COMPOSITION, SURFACE TREATMENT AGENT, ARTICLE, AND METHOD FOR MANUFACTURING ARTICLE

      
Application Number 19424830
Status Pending
Filing Date 2025-12-18
First Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Watanabe, Koki
  • Takeda, Yosuke
  • Morita, Shimpei
  • Suwa, Kumiko
  • Yamaguchi, Ryohei

Abstract

A new compound capable of forming a surface-treated layer having excellent abrasion resistance and a method for manufacturing such a compound, a composition and a surface treatment agent comprising such a new compound, and an article including a surface-treated layer having excellent abrasion resistance and a method for manufacturing such an article are provided. A new compound capable of forming a surface-treated layer having excellent abrasion resistance and a method for manufacturing such a compound, a composition and a surface treatment agent comprising such a new compound, and an article including a surface-treated layer having excellent abrasion resistance and a method for manufacturing such an article are provided. A compound represented by below-shown Formula (1) or Formula (2) A new compound capable of forming a surface-treated layer having excellent abrasion resistance and a method for manufacturing such a compound, a composition and a surface treatment agent comprising such a new compound, and an article including a surface-treated layer having excellent abrasion resistance and a method for manufacturing such an article are provided. A compound represented by below-shown Formula (1) or Formula (2) A new compound capable of forming a surface-treated layer having excellent abrasion resistance and a method for manufacturing such a compound, a composition and a surface treatment agent comprising such a new compound, and an article including a surface-treated layer having excellent abrasion resistance and a method for manufacturing such an article are provided. A compound represented by below-shown Formula (1) or Formula (2) Note that each symbol in the formulas is the same as that described in the specification.

IPC Classes  ?

  • C07F 7/21 - Cyclic compounds having at least one ring containing silicon but no carbon in the ring
  • C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups

66.

POLISHING AGENT, POLISHING METHOD, METHOD FOR MANUFACTURING SEMICONDUCTOR COMPONENT, ADDITIVE SOLUTION FOR POLISHING AGENT, AND METHOD FOR MANUFACTURING ADDITIVE SOLUTION FOR POLISHING AGENT

      
Application Number 19439607
Status Pending
Filing Date 2026-01-05
First Publication Date 2026-05-07
Owner AGC Inc. (Japan)
Inventor Akaji, Masatoshi

Abstract

A polishing agent with excellent pH stability, an additive solution for a polishing agent for preparing the polishing agent and a method for manufacturing the same, a polishing method capable of performing high-speed polishing, and a method for manufacturing a semiconductor component using the polishing method are provided. A polishing agent contains (bi)carbonate of a primary amine, a secondary amine, a tertiary amine, or a quaternary ammonium, and water, in which an organic group that the amine or the ammonium has is a group selected from a linear alkyl group, a branched alkyl group, and an alkanol group, a content of the (bi)carbonate is 5 mmol/L to 130 mmol/L based on the whole polishing agent, a boiling point of the amine or the ammonium is 0° C. to 500° C., and pH is 7 to 11.

IPC Classes  ?

67.

CROSSLINKING AGENT, CURABLE COMPOSITION, PREPREG, LAMINATE, METAL-CLAD LAMINATE, WIRING BOARD, AND NOVEL ORGANOPHOSPHORUS COMPOUND

      
Application Number JP2025036642
Publication Number 2026/094663
Status In Force
Filing Date 2025-10-17
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Usuda, Tsukasa
  • Hirata, Takuma
  • Wada, Shinji

Abstract

Provided are a wiring board, metal-clad laminate, laminate, prepreg, curable composition, novel crosslinking agent, and novel organophosphorus compound enabling excellent electrical characteristics, flame retardancy, and heat resistance to be imparted. The crosslinking agent is represented by formula (1). In formula (1): R1 represents a hydrocarbon group that may contain a hetero atom; each L independently represents a single bond, an oxygen atom, or a divalent hydrocarbon group optionally including a hetero atom; n is 2 or 3; each benzene ring optionally has a substituent; and the combination of components satisfies a specific relation.

IPC Classes  ?

  • C08F 30/02 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
  • B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B32B 27/26 - Layered products essentially comprising synthetic resin characterised by the use of special additives using curing agents
  • C07F 9/38 - Phosphonic acids [R—P(:O)(OH)2]Thiophosphonic acids
  • C07F 9/40 - Esters thereof
  • C07F 9/50 - Organo-phosphines
  • C07F 9/53 - Organo-phosphine oxidesOrgano-phosphine sulfides
  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • C08K 5/5397 - Phosphine oxides
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

68.

ORGANIC CRYSTAL, LIGHT GUIDE PLATE, AND EYEPIECE

      
Application Number JP2025036827
Publication Number 2026/094690
Status In Force
Filing Date 2025-10-20
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Takeuchi, Yu
  • Matsuura, Keigo

Abstract

The present invention relates to an organic crystal which is a co-crystal (AB) of one or more aromatic compounds (A) and one or more aromatic compounds (B), a co-crystal (BB) of two or more aromatic compounds (B), or a single crystal (B) of one aromatic compound (B), wherein: the aromatic compound (A) has two or more aromatic rings, and an electron-withdrawing group is not bonded to the aromatic rings; and the aromatic compound (B) has one or more aromatic rings, and an electron-withdrawing group is bonded to each of the aromatic rings.

IPC Classes  ?

  • C07C 15/14 - Polycyclic non-condensed hydrocarbons all phenyl groups being directly linked
  • C07C 15/20 - Polycyclic condensed hydrocarbons
  • C07C 25/18 - Polycyclic aromatic halogenated hydrocarbons
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 3/00 - Simple or compound lenses

69.

LIPID NANOPARTICLES FOR NUCLEIC ACID DELIVERY

      
Application Number JP2025038470
Publication Number 2026/095066
Status In Force
Filing Date 2025-10-31
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Kobayashi, Hikaru
  • Matsumoto, Risa
  • Saeki, Naoya

Abstract

Provided are lipid nanoparticles and a method for producing the lipid nanoparticles. The lipid nanoparticles comprises a nucleic acid, a cationic lipid, and DSPC, wherein the cationic lipid is at least one selected from the group consisting of IC8, C12-113, Dlin-DMA, DODMA, Dlin-MC4-DMA, Lipid 16, Lipid 8, BAMEA-016B, SM-102, ALC-0315, Lipid A9, CL4H6, PPZ-A10, Lipid 23, Lipid 29, CL4F8-6, YK-009, Lipid_III-45, 306Oi10, and 93-O17O, and the molar ratio of the cationic lipid to the content of DSPC is 0.2-15.0. The method for producing the lipid nanoparticles comprises the steps of: preparing a lipid solution containing the cationic lipid, DSPC, sterol, and PEG lipid; preparing a nucleic acid solution containing the nucleic acid; and mixing the lipid solution and the nucleic acid solution.

IPC Classes  ?

  • A61K 9/127 - Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
  • A61K 9/10 - DispersionsEmulsions
  • A61K 9/14 - Particulate form, e.g. powders
  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 9/51 - Nanocapsules
  • A61K 31/7088 - Compounds having three or more nucleosides or nucleotides
  • A61K 31/7105 - Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links
  • A61K 31/713 - Double-stranded nucleic acids or oligonucleotides
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 47/12 - Carboxylic acidsSalts or anhydrides thereof
  • A61K 47/14 - Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
  • A61K 47/18 - AminesAmidesUreasQuaternary ammonium compoundsAmino acidsOligopeptides having up to five amino acids
  • A61K 47/20 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
  • A61K 47/22 - Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
  • A61K 47/24 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
  • A61K 47/28 - Steroids, e.g. cholesterol, bile acids or glycyrrhetinic acid
  • A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
  • A61K 48/00 - Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseasesGene therapy
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups
  • C12N 15/11 - DNA or RNA fragmentsModified forms thereof
  • C12N 15/113 - Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides
  • C12N 15/88 - Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation using microencapsulation, e.g. using liposome vesicle

70.

RECTANGULAR WIRE AND PRODUCTION METHOD FOR SAME

      
Application Number 19354437
Status Pending
Filing Date 2025-10-09
First Publication Date 2026-05-07
Owner AGC Inc. (Japan)
Inventor
  • Abe, Masatoshi
  • Sasaki, Toru
  • Kawai, Tsuyoshi

Abstract

The present invention pertains to a rectangular wire including: a rectangular conductor; and a film of an insulating coating material that directly covers the entire circumferential direction of the rectangular conductor, wherein: a melt flow rate of the insulating coating material at a temperature of 372° C. and a load of 49 N is from 20.0 to 300.0 g/10 min; the insulating coating material contains polyaryletherketone (A) and a fluorine-containing copolymer (B) having a unit based on tetrafluoroethylene; an amount of the fluorine-containing copolymer (B) with respect to a total mass of the polyaryletherketone (A) and the fluorine-containing copolymer (B) in the insulating coating material is 5% by mass or more; and the rectangular wire is such that the film of the insulating coating material does not peel off from the rectangular conductor in a winding test conforming to “JIS3216-3:2011 5.1.2 Rectangular Wire”.

IPC Classes  ?

  • H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
  • B29C 48/154 - Coating solid articles, i.e. non-hollow articles
  • B29K 27/18 - PTFE, i.e. polytetrafluorethene
  • B29K 105/00 - Condition, form or state of moulded material
  • B29K 705/10 - Copper
  • C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
  • H01B 7/00 - Insulated conductors or cables characterised by their form
  • H01B 13/14 - Insulating conductors or cables by extrusion

71.

SULFIDE SOLID ELECTROLYTE POWDER AND ELECTRODE MIXTURE

      
Application Number 19426408
Status Pending
Filing Date 2025-12-19
First Publication Date 2026-05-07
Owner AGC Inc. (Japan)
Inventor
  • Fujii, Naoki
  • Kunisa, Yasuhiro

Abstract

A sulfide solid electrolyte powder includes a crystal phase. A value represented by [(strain value−0.001)/specific surface area (m2/g)]×100 is 0.010 to 0.070, and the crystal phase comprises an argyrodite crystal structure. The sulfide solid electrolyte powder may further include an amorphous phase, and a content ratio of the amorphous phase may be 5 mass % or more.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C01D 15/00 - Lithium compounds

72.

GLASS LAMINATE, DISPLAY DEVICE, AND METHOD FOR PRODUCING GLASS LAMINATE

      
Application Number 19426796
Status Pending
Filing Date 2025-12-19
First Publication Date 2026-05-07
Owner AGC Inc. (Japan)
Inventor Fujie, Yohei

Abstract

A glass laminate includes: a glass substrate including a first main surface and a second main surface; a colored layer including a pearl pigment and provided on a second main surface side of the glass substrate; a transmittance adjustment layer provided on the second main surface side of the glass substrate; and an antireflection layer provided on a first main surface side of the glass substrate. The glass laminate has an average brightness Lave*, which is an average value of brightness L* in an L*a*b* color system measured on the first main surface, of 22 or more and 43 or less.

IPC Classes  ?

  • B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
  • B32B 38/00 - Ancillary operations in connection with laminating processes

73.

SUPPORTING GLASS SUBSTRATE

      
Application Number 19429540
Status Pending
Filing Date 2025-12-22
First Publication Date 2026-05-07
Owner AGC Inc. (Japan)
Inventor
  • Nagano, Mikio
  • Inaba, Seiji
  • Saito, Yasunari
  • Tamai, Kiyoshi
  • Ono, Kazutaka
  • Kobayashi, Yuha

Abstract

Suppressing deflection and reducing weight are to be achieved. A supporting glass substrate has a ratio of a Young's modulus (GPa) to a density (g/cm3) that is 32.0 (GPa·cm3/g) or more and the ratio has a value larger than a ratio calculation value, the ratio calculation value being a ratio of a Young's modulus (GPa) calculated from a composition to a density (g/cm3). The ratio calculation value is represented by the following expression: α=2·Σ{(Vi·Gi)/Mi·Xi}, where, in the expression, Vi is a filling parameter of a metal oxide contained in the supporting glass substrate, Gi is a dissociation energy of a metal oxide contained in the supporting glass substrate, Mi is a molecular weight of a metal oxide contained in the supporting glass substrate, and Xi is a molar ratio of a metal oxide contained in the supporting glass substrate.

IPC Classes  ?

  • C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
  • C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
  • C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
  • C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
  • C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
  • H10P 72/70 -
  • H10W 70/692 -

74.

ALKALI-FREE GLASS

      
Application Number 19436825
Status Pending
Filing Date 2025-12-30
First Publication Date 2026-05-07
Owner AGC Inc. (Japan)
Inventor
  • Tokunaga, Hirofumi
  • Ono, Kazutaka

Abstract

An alkali-free glass includes, in mol % in terms of oxides: SiO2: 63-75%; Al2O3:10-16%; B2O3: 0-5%; MgO: 0.1-15%; CaO: 0.1-12%; SrO: 0-8%; and BaO: 0-6%. [MgO]/[CaO] is 1.5 or smaller. A value of Formula (A) is 82.5 or larger. A value of Formula (B) is 690 or larger and 800 or smaller. A value of Formula (C) is 100 or smaller. A value of Formula (D) is 20 or smaller. The alkali-free glass has a Young's modulus of 83 GPa or larger and a surface devitrification viscosity ηc of 104.2 dPa·s or higher.

IPC Classes  ?

  • C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium

75.

COMPOUND, COMPOSITION, SURFACE TREATMENT AGENT, ARTICLE AND METHOD FOR MANUFACTURING ARTICLE

      
Application Number 19438706
Status Pending
Filing Date 2026-01-02
First Publication Date 2026-05-07
Owner AGC Inc. (Japan)
Inventor
  • Watanabe, Koki
  • Kawakami, Shiori
  • Kobayashi, Daisuke
  • Tokunaga, Yoshihito

Abstract

A new compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate are provided. A new compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate are provided. A compound represented by Formula (1-1) or Formula (1-2). A new compound and a new composition useful as a surface treatment agent capable of forming a surface-treated layer having excellent abrasion resistance on a substrate are provided. A compound represented by Formula (1-1) or Formula (1-2).

IPC Classes  ?

  • C09D 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
  • C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • C08G 77/04 - Polysiloxanes
  • C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
  • C08G 77/48 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
  • C09D 183/04 - Polysiloxanes
  • C09D 183/14 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon onlyCoating compositions based on derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms

76.

METHOD FOR PRODUCING SULFONIC ACID ESTER, METHOD FOR PRODUCING FLUOROSULFONYL GROUP-CONTAINING COMPOUND, METHOD FOR PRODUCING POLYMER, METHOD FOR PRODUCING LIQUID COMPOSITION, METHOD FOR PRODUCING MEMBRANE, METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY, AND COMPOUND

      
Application Number JP2025034614
Publication Number 2026/094512
Status In Force
Filing Date 2025-09-30
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Endo Kohei
  • Hirai Takeshi

Abstract

The present invention provides: a method for producing a sulfonic acid ester, with which it is possible to produce a sulfonic acid ester with a high yield; a method for producing a fluorosulfonyl group-containing compound; a method for producing a polymer; a method for producing a liquid composition; a method for producing a membrane; a method for producing a membrane electrode assembly; and a compound. The membrane and the membrane electrode assembly can be used, for example, in fuel cells and PEM water electrolysis applications. With the method for producing a sulfonic acid ester according to the present invention, a compound represented by formula (3) is obtained by reacting a compound represented by formula (1) with a compound represented by formula (2). In formulae (1) to (3), R is an n-valent aliphatic hydrocarbon group which may have an aromatic hydrocarbon group as a substituent, and the aliphatic hydrocarbon group may have an etheric oxygen atom or -CO- between carbon atom-carbon atom bonds. Z+22O-Z+n222nn

IPC Classes  ?

  • C07C 303/26 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids
  • C07C 303/02 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
  • C07C 303/22 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids by reactions not involving the formation of sulfo or halosulfonyl groups
  • C07C 309/65 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a saturated carbon skeleton
  • C07C 309/80 - Halides of sulfonic acids having halosulfonyl groups bound to acyclic carbon atoms of a saturated carbon skeleton
  • C07C 309/82 - Halides of sulfonic acids having halosulfonyl groups bound to acyclic carbon atoms of a carbon skeleton substituted by singly-bound oxygen atoms
  • C08F 8/12 - Hydrolysis
  • C08F 16/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical
  • C08F 16/30 - Monomers containing sulfur
  • H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
  • H01M 4/88 - Processes of manufacture
  • H01M 8/10 - Fuel cells with solid electrolytes
  • H01M 8/1039 - Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides

77.

METHOD FOR PRODUCING PERFLUOROOLEFIN AND METHOD FOR PRODUCING FLUORINE-CONTAINING POLYMER

      
Application Number JP2025037500
Publication Number 2026/094821
Status In Force
Filing Date 2025-10-24
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Yagishita Masahito
  • Takeuchi Yu

Abstract

The present invention addresses the problem of providing: a method for producing a perfluoroolefin, the method being capable of efficiently producing a perfluoroolefin that contains tetrafluoroethylene and hexafluoropropylene through thermal decomposition; and a method for producing a fluorine-containing polymer. The method for producing a perfluoroolefin is characterized by thermally decomposing a perfluoroalkyl iodide at 700 °C or higher to obtain a perfluoroolefin including tetrafluoroethylene and hexafluoropropylene, wherein the perfluoroalkyl group of the perfluoroalkyl iodide may further have an iodine atom.

IPC Classes  ?

  • C07C 17/361 - Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
  • C07C 21/185 - Tetrafluoroethene
  • C08F 14/28 - Hexafluoropropene

78.

GLASS AND OPTICAL MEMBER

      
Application Number JP2025037619
Publication Number 2026/094855
Status In Force
Filing Date 2025-10-27
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Kanno, Naoki
  • Ohara, Seiki

Abstract

The present invention addresses the problem of appropriately transmitting light. In a glass (10), when: the outer peripheral edge of the largest circle, centered on a center (P0) of the glass (10) and being contained within the range of an outer peripheral edge (10C) of the glass (10), is defined as a reference circumference (A0); a circumference, 5 mm away from the reference circumference (A0) inward in the radial direction, is defined as a first circumference (A1); the circumference of a circle, centered on the center (P0) of the glass (10) and having a radius that is half the distance between the reference circumference (A0) and the center (P0) of the glass (10), is defined as a second circumference (A2); a point on the first circumference (A1) is defined as a first point (P1); and a point having the shortest distance from the first point (P1) among the points on the second circumference (A2) is defined as a second point (P2), the maximum value of retardation is 20 nm or less in a straight line section (S) connecting from the first point (P1) to the second point (P2) in a straight line, the retardation does not monotonically decrease or monotonically increase from the first point (P1) toward the second point (P2), and there is a position where the retardation has an extreme value between the first point (P1) and the second point (P2).

IPC Classes  ?

  • C03C 4/00 - Compositions for glass with special properties
  • C03C 3/062 - Glass compositions containing silica with less than 40% silica by weight
  • C03C 3/064 - Glass compositions containing silica with less than 40% silica by weight containing boron
  • C03C 3/066 - Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
  • C03C 3/068 - Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
  • C03C 3/076 - Glass compositions containing silica with 40% to 90% silica by weight
  • C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
  • C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
  • C03C 3/089 - Glass compositions containing silica with 40% to 90% silica by weight containing boron
  • C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
  • C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
  • C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
  • C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum

79.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING HYDROGEN

      
Application Number JP2025038346
Publication Number 2026/095042
Status In Force
Filing Date 2025-10-31
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Okada Hideyuki
  • Kato Ryogo
  • Ueda Eijun
  • Matsushita Satoshi
  • Okuyama Takumi
  • Saito Yusuke
  • Isoda Kaho
  • Miyajima Tatsuya

Abstract

Provided are a solid polymer electrolyte membrane exhibiting high proton conductivity and low hydrogen permeability, a membrane electrode assembly, a water electrolysis apparatus, and a method for producing hydrogen. This solid polymer electrolyte membrane contains a fluorine-containing polymer having an ion exchange group. The solid polymer electrolyte membrane has an elastic modulus in water at 80°C of 13 MPa or greater, and satisfies formula (A), where D [nm] is the distance between ion clusters measured through X-ray small angle scattering, and X [mEq/g dry resin] is the ion exchange capacity in the fluorine-containing polymer. Formula (A): 4.55 − 0.85X ≤ D ≤ 4.16

IPC Classes  ?

  • C08J 5/22 - Films, membranes or diaphragms
  • B32B 7/022 - Mechanical properties
  • B32B 7/025 - Electric or magnetic properties
  • B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
  • C08F 8/00 - Chemical modification by after-treatment
  • C08F 16/30 - Monomers containing sulfur
  • C08F 214/26 - Tetrafluoroethene
  • C08F 216/14 - Monomers containing only one unsaturated aliphatic radical
  • C08J 5/18 - Manufacture of films or sheets
  • C08J 5/20 - Manufacture of shaped structures of ion-exchange resins
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water
  • C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
  • C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
  • C25B 13/04 - DiaphragmsSpacing elements characterised by the material
  • C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
  • H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01M 4/88 - Processes of manufacture
  • H01M 4/92 - Metals of platinum group
  • H01M 8/10 - Fuel cells with solid electrolytes
  • H01M 8/1039 - Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
  • H01M 8/1067 - Polymeric electrolyte materials characterised by their physical properties, e.g. porosity, ionic conductivity or thickness

80.

LIPID NANOPARTICLES FOR NUCLEIC ACID DELIVERY

      
Application Number JP2025038460
Publication Number 2026/095065
Status In Force
Filing Date 2025-10-31
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Kobayashi, Hikaru
  • Matsumoto, Risa
  • Saeki, Naoya

Abstract

Provided are: lipid nanoparticles comprising a nucleic acid, a cationic lipid, and DOPE, wherein the cationic lipid is at least one lipid selected from the group consisting of 246C10, C12-113, OC2-K3-E10, cKK-E12, C12-200, DLin-MC3-DMA, Lipid 16, COATSOME_SS-OP, 306-O12B, 113-O16B, SM-102, PPZ-A10, L202, Lipid 5, CIN-16645, and TCL053, and the molar ratio of the cationic lipid to the DOPE content is 0.2-15.0; and a method for producing said lipid nanoparticles, the method comprising a step for preparing a lipid solution containing the cationic lipid, DOPE, sterol, and a PEG lipid, a step for preparing a nucleic acid solution containing a nucleic acid, and a step for mixing the lipid solution and the nucleic acid solution.

IPC Classes  ?

  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 9/10 - DispersionsEmulsions
  • A61K 9/14 - Particulate form, e.g. powders
  • A61K 9/51 - Nanocapsules
  • A61K 31/713 - Double-stranded nucleic acids or oligonucleotides
  • A61K 31/7088 - Compounds having three or more nucleosides or nucleotides
  • A61K 31/7105 - Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 47/12 - Carboxylic acidsSalts or anhydrides thereof
  • A61K 47/14 - Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
  • A61K 47/18 - AminesAmidesUreasQuaternary ammonium compoundsAmino acidsOligopeptides having up to five amino acids
  • A61K 47/20 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
  • A61K 47/22 - Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
  • A61K 47/24 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
  • A61K 47/28 - Steroids, e.g. cholesterol, bile acids or glycyrrhetinic acid
  • A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
  • A61K 48/00 - Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseasesGene therapy
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups
  • C12N 15/11 - DNA or RNA fragmentsModified forms thereof
  • C12N 15/88 - Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation using microencapsulation, e.g. using liposome vesicle
  • C12N 15/113 - Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides

81.

LIPID NANOPARTICLES FOR NUCLEIC ACID DELIVERY

      
Application Number JP2025038475
Publication Number 2026/095067
Status In Force
Filing Date 2025-10-31
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Kobayashi, Hikaru
  • Matsumoto, Risa
  • Saeki, Naoya

Abstract

The present invention pertains to lipid nanoparticles which contains a nucleic acid, a cationic lipid, and a phospholipid and in which: the cationic lipid is one or more selected from the group consisting of cKK-E15, Lipid A4, AA-T3A-C12, Dlin-KC2-DMA, OF-C4-Deg-Lin, and C14-4; the phospholipid is one or more selected from the group consisting of DOPC, DOPE, and DSPC; and the molar ratio of the cationic lipid to the phospholipid content is 0.2-15.0. The present invention also pertains to a method for producing the lipid nanoparticles, the method comprising: a step for preparing a lipid solution containing the cationic lipid, the phospholipid, sterol, and PEG lipid; a step for preparing a nucleic acid solution containing a nucleic acid; and a step for mixing the lipid solution and the nucleic acid solution.

IPC Classes  ?

  • A61K 31/7105 - Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links
  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 9/51 - Nanocapsules
  • A61K 9/127 - Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 47/12 - Carboxylic acidsSalts or anhydrides thereof
  • A61K 47/14 - Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
  • A61K 47/18 - AminesAmidesUreasQuaternary ammonium compoundsAmino acidsOligopeptides having up to five amino acids
  • A61K 47/22 - Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
  • A61K 47/24 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
  • A61K 47/28 - Steroids, e.g. cholesterol, bile acids or glycyrrhetinic acid
  • A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups
  • C12N 15/11 - DNA or RNA fragmentsModified forms thereof
  • C12N 15/88 - Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation using microencapsulation, e.g. using liposome vesicle
  • C12N 15/113 - Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides

82.

LIPID NANOPARTICLES FOR NUCLEIC ACID DELIVERY

      
Application Number JP2025038476
Publication Number 2026/095068
Status In Force
Filing Date 2025-10-31
Publication Date 2026-05-07
Owner AGC INC. (Japan)
Inventor
  • Kobayashi, Hikaru
  • Matsumoto, Risa
  • Saeki, Naoya

Abstract

33, and the molar ratio of the cationic lipid to the content of the DOPC is 0.2-15.0; and a method for producing the lipid nanoparticles, the method comprising: a step for preparing a lipid solution containing the cationic lipid, DOPC, a sterol, and a PEG lipid; a step for preparing a nucleic acid solution containing a nucleic acid; and a step for mixing the lipid solution and the nucleic acid solution.

IPC Classes  ?

  • A61K 9/127 - Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
  • A61K 9/10 - DispersionsEmulsions
  • A61K 9/14 - Particulate form, e.g. powders
  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 9/51 - Nanocapsules
  • A61K 31/713 - Double-stranded nucleic acids or oligonucleotides
  • A61K 31/7088 - Compounds having three or more nucleosides or nucleotides
  • A61K 31/7105 - Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 47/12 - Carboxylic acidsSalts or anhydrides thereof
  • A61K 47/14 - Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
  • A61K 47/18 - AminesAmidesUreasQuaternary ammonium compoundsAmino acidsOligopeptides having up to five amino acids
  • A61K 47/20 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
  • A61K 47/22 - Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
  • A61K 47/24 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
  • A61K 47/28 - Steroids, e.g. cholesterol, bile acids or glycyrrhetinic acid
  • A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
  • A61K 48/00 - Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseasesGene therapy
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups
  • C12N 15/11 - DNA or RNA fragmentsModified forms thereof
  • C12N 15/88 - Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation using microencapsulation, e.g. using liposome vesicle
  • C12N 15/113 - Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides

83.

ALKALI-FREE GLASS

      
Application Number 19428947
Status Pending
Filing Date 2025-12-22
First Publication Date 2026-04-30
Owner AGC Inc. (Japan)
Inventor
  • Tokunaga, Hirofumi
  • Ono, Kazutaka
  • Hirose, Motoyuki

Abstract

An alkali-free glass having a strain point of 650° C. or more, an average coefficient of thermal expansion at 50 to 350° C. of from 30×10−7 to 45×10−7/° C., and a temperature T2 at which a glass viscosity reaches 102 dPa·s of from 1,500 to 1,800° C. The alkali-free glass contains, as represented by mol % based on oxides, SiO2: from 62 to 70%, Al2O3: from 9 to 16% B2O3: from 0 to 12%, MgO: from 3 to 10%, CaO: from 4 to 12%, SrO: from 0 to 6%, and Fe2O3: from 0.001 to 0.04%, provided that MgO+CaO+SrO+BaO is from 12 to 25%. The alkali-free glass has a β-OH value of from 0.35 to 0.85/mm.

IPC Classes  ?

  • C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
  • C03B 17/06 - Forming glass sheets
  • C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
  • C03C 4/00 - Compositions for glass with special properties

84.

ACIDIC GAS-ABSORBING LIQUID AND ACIDIC GAS REDUCTION METHOD

      
Application Number 19431151
Status Pending
Filing Date 2025-12-23
First Publication Date 2026-04-30
Owner
  • AGC Inc. (Japan)
  • NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (Japan)
Inventor
  • Ikawa, Seiya
  • Suzuki, Toyokazu
  • Koguchi, Ryohei
  • Machida, Hiroshi
  • Norinaga, Koyo

Abstract

An acidic gas absorbing solution of the present invention is an acidic gas absorbing solution that reversibly absorbs and desorbs carbon dioxide, the acidic gas absorbing solution containing: an oxygen-containing polymer and an amine compound, wherein the oxygen-containing polymer has at least one group selected from the group consisting of an oxyalkylene group, a carbonate group, and an ester group, has a number-average molecular weight of 250 to 20000, has a boiling point of 200° C. or more, and has a solubility parameter of 15.0 (MPa)1/2 or more and less than 19.5 (MPa)1/2, and the amine compound has a solubility parameter of 13.0 to 25.5 (MPa)1/2.

IPC Classes  ?

  • B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption

85.

GLASS PLATE AND METHOD FOR PRODUCING SAME, IN-VEHICLE DISPLAY DEVICE, AND METHOD FOR SELECTING GLASS PLATE

      
Application Number 19431164
Status Pending
Filing Date 2025-12-23
First Publication Date 2026-04-30
Owner AGC Inc. (Japan)
Inventor
  • Tamada, Minoru
  • Inoue, Aichi

Abstract

The present invention relates to a glass plate having a first main surface and a second main surface facing the first main surface, wherein the first main surface has an uneven structure on at least a portion thereof, the visibility index value T on the outermost surface of the region having the uneven structure on the first main surface side is 0.85 or more, the glare index value S is 0.80 or more, the average dynamic friction coefficient COF is 0.50 or less, the friction change amount delta is more than −0.210, and the lightness L* value is 4.7 or less.

IPC Classes  ?

  • G02B 1/11 - Anti-reflection coatings
  • G02B 1/12 - Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation

86.

ACIDIC GAS-ABSORBING LIQUID AND ACIDIC GAS REDUCTION METHOD

      
Application Number 19431203
Status Pending
Filing Date 2025-12-23
First Publication Date 2026-04-30
Owner
  • AGC Inc. (Japan)
  • NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (Japan)
Inventor
  • Ikawa, Seiya
  • Suzuki, Toyokazu
  • Koguchi, Ryohei
  • Machida, Hiroshi
  • Norinaga, Koyo

Abstract

An acidic gas absorbing solution of the present invention is an acidic gas absorbing solution that reversibly absorbs and desorbs carbon dioxide, the acidic gas absorbing solution containing: an oxygen-containing polymer; and an amine compound, wherein the oxygen-containing polymer has at least one group selected from the group consisting of an oxyalkylene group, a carbonate group, and an ester group, has a number-average molecular weight of 300 to 4000, has a boiling point of 200° C., or more, and has a solubility parameter of 19.5 to 26.0 (MPa)1/2, and a difference between the solubility parameter of the oxygen-containing polymer and a solubility parameter of the amine compound is 4.0 to 6.3 (MPa)1/2.

IPC Classes  ?

  • B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
  • B01D 53/62 - Carbon oxides
  • B01D 53/78 - Liquid phase processes with gas-liquid contact
  • B01D 53/96 - Regeneration, reactivation or recycling of reactants

87.

CRYSTALLIZED GLASS, CHEMICALLY TOUGHENED GLASS, AND METHOD FOR PRODUCING CRYSTALLIZED GLASS

      
Application Number 19003804
Status Pending
Filing Date 2024-12-27
First Publication Date 2026-04-30
Owner AGC Inc. (Japan)
Inventor
  • Yamazaki, Yoshiki
  • Akiba, Shusaku
  • Nagano, Mikio
  • Imakita, Kenji
  • Kanehara, Kazuki

Abstract

The present invention relates to a glass ceramic including: at least one of a lithium disilicate type crystal and a solid solution crystal thereof; at least one of a virgilite type crystal and a solid solution crystal thereof; and a residual glass phase, in which a fracture toughness value KIC is 1.0 MPa·m0.5 or more, and a haze value in terms of a thickness of 0.7 mm is 0.8% or less.

IPC Classes  ?

  • C03C 10/00 - Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
  • C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments

88.

POLYTETRAFLUOROETHYLENE RESIN POWDER, ELECTRODE MIXTURE, ELECTRODE LAYER, ELECTRODE, AND SECONDARY BATTERY

      
Application Number JP2025036500
Publication Number 2026/088854
Status In Force
Filing Date 2025-10-16
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Kasai, Wataru
  • Wada, Shinji
  • Matsumura, Kazuki
  • Terada, Shoshi
  • Kitano, Daiki

Abstract

The present invention pertains to a polytetrafluoroethylene resin powder that can be used as a binder for a secondary battery, said polytetrafluoroethylene resin powder having a degree of dispersion of 10-35% and an angle of fall of 20-35°.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 14/26 - Tetrafluoroethene
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof

89.

POLYTETRAFLUOROETHYLENE RESIN POWDER, ELECTRODE MIXTURE, ELECTRODE LAYER, ELECTRODE, AND SECONDARY BATTERY

      
Application Number JP2025036502
Publication Number 2026/088856
Status In Force
Filing Date 2025-10-16
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Kasai, Wataru
  • Wada, Shinji
  • Matsumura, Kazuki
  • Kitano, Daiki
  • Terada, Shoshi

Abstract

The present invention pertains to a polytetrafluoroethylene resin powder that can be used as a binder for a secondary battery, said polytetrafluoroethylene resin powder having an ethanol penetration rate coefficient, as measured by the Lucas-Washburn method, of 0.015 g2/s and a thermal instability index of 34 or lower.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 14/26 - Tetrafluoroethene
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof

90.

SURFACE TREATMENT AGENT FOR SEPARATION MEMBRANE, METHOD FOR PRODUCING SAME, SEPARATION MEMBRANE, AND METHOD FOR PRODUCING SAME

      
Application Number JP2025036952
Publication Number 2026/088937
Status In Force
Filing Date 2025-10-21
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Nakajima, Sho
  • Hirano, Ryo
  • Yasu, Yusuke
  • Matsuura, Keigo

Abstract

The present disclosure relates to a surface treatment agent for a separation membrane, the agent comprising a polymer having a unit derived from a compound represented by formula (1), wherein the content of the unit is more than 50 mass% relative to all units constituting the polymer. In the formula, T is a monovalent polymerizable group, A is a single bond or a divalent linking group, PAis a (1+m)-valent cyclic structure containing an aromatic ring, m is an integer of 1 or more, Rfis a fluoroalkyl group having 1-6 carbon atoms, and ORfis bonded to the aromatic ring in PA. (1): T-A-PA-(ORfmm

IPC Classes  ?

  • B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
  • B01D 71/26 - Polyalkenes
  • B01D 71/36 - Polytetrafluoroethene
  • C08F 20/10 - Esters
  • C08L 33/16 - Homopolymers or copolymers of esters containing halogen atoms
  • C09D 133/16 - Homopolymers or copolymers of esters containing halogen atoms
  • C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water theretoThawing or antifreeze materials for application to surfaces

91.

LAMINATED GLASS, VEHICLE, AND METHOD FOR PRODUCING LAMINATED GLASS

      
Application Number JP2025037131
Publication Number 2026/088981
Status In Force
Filing Date 2025-10-22
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor Nakahara, Hiroki

Abstract

Provided are: laminated glass which suppresses deterioration of a solar battery cell and which excels in photovoltaic power generation output; and a method for producing the same. This laminated glass includes: a first glass plate; a second glass plate; a plurality of independent solar cells disposed between the first glass plate and the second glass plate and having different wavelengths at which external quantum efficiency is maximized; and an intermediate film. The intermediate film is disposed between at least the solar cells.

IPC Classes  ?

  • C03C 27/12 - Laminated glass
  • B60J 1/00 - WindowsWindscreensAccessories therefor
  • H02S 10/40 - Mobile PV generator systems
  • H10F 10/19 - Photovoltaic cells having multiple potential barriers of different types, e.g. tandem cells having both PN and PIN junctions
  • H10F 19/80 - Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
  • H10K 30/57 - Photovoltaic [PV] devices comprising multiple junctions, e.g. tandem PV cells
  • H10K 39/15 - Organic photovoltaic [PV] modulesArrays of single organic PV cells comprising both organic PV cells and inorganic PV cells

92.

SUPPORTING GLASS SUBSTRATE

      
Application Number 19429470
Status Pending
Filing Date 2025-12-22
First Publication Date 2026-04-30
Owner AGC Inc. (Japan)
Inventor
  • Nagano, Mikio
  • Inaba, Seiji
  • Saito, Yasunari
  • Tamai, Kiyoshi
  • Ono, Kazutaka
  • Kobayashi, Yuha

Abstract

Suppressing deflection and reducing weight are to be achieved. A supporting glass substrate has a ratio of a Young's modulus (GPa) to a density (g/cm3) that is 32.0 (GPa·cm3/g) or more and the ratio has a value larger than a ratio calculation value, the ratio calculation value being a ratio of a Young's modulus (GPa) calculated from a composition to a density (g/cm3). The ratio calculation value is represented by the following expression: α=2·Σ{(Vi·Gi)/Mi·Xi}, where, in the expression, Vi is a filling parameter of a metal oxide contained in the supporting glass substrate, Gi is a dissociation energy of a metal oxide contained in the supporting glass substrate, Mi is a molecular weight of a metal oxide contained in the supporting glass substrate, and Xi is a molar ratio of a metal oxide contained in the supporting glass substrate.

IPC Classes  ?

  • C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
  • C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
  • C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
  • C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
  • C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
  • H10P 72/70 -
  • H10W 70/692 -

93.

COMPOUND, COMPOSITION, SURFACE TREATMENT AGENT, ARTICLE, AND METHOD FOR MANUFACTURING ARTICLE

      
Application Number 19429560
Status Pending
Filing Date 2025-12-22
First Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor Watanabe, Koki

Abstract

A new compound and related technologies useful for forming a surface-treated layer having an excellent fingerprint removal property on a substrate are provided. The compound is represented by Formula (1) {T-L1-(Si(R2)2—O)m-Si(R2)2-L2}p-X. T may be (R1)3Si—; R1 may be a hydrocarbon group; L1 may be —O—; R2 is a hydrocarbon group; L2 may be a single bond; X may be -L3-A-(Si(R)nL3-n)q; L3 may be —C(R4)3-p—; R4 and R5 may be hydrogen atoms; A is a linking group having a valence of (q+1); L4 may be an aromatic-ring group having a valence of (p+q); L5 may be a single bond; R is a hydrocarbon group; L may be a hydrolyzable group; m is a number of 1 or greater; n is an integer of 0 to 2; p is 2 or 3; and q is an integer of 1 or greater.

IPC Classes  ?

  • C09D 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
  • C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
  • C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • C08G 77/38 - Polysiloxanes modified by chemical after-treatment
  • C09D 5/16 - Anti-fouling paintsUnderwater paints
  • C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups

94.

METHOD OF PRODUCING POLYETHER COMPOUND, METHOD OF PRODUCING POLYETHER COMPOUND CONTAINING REACTIVE SILICON GROUP, METHOD OF PRODUCING POLYETHER COMPOUND HAVING URETHANE BOND, AND METHOD OF PRODUCING POLYETHER COMPOUND CONTAINING POLYMERIZABLE UNSATURATED GROUP

      
Application Number 19429637
Status Pending
Filing Date 2025-12-22
First Publication Date 2026-04-30
Owner AGC Inc. (Japan)
Inventor
  • Takeda, Hajime
  • Arai, Takeaki
  • Koguchi, Ryohei

Abstract

A method of producing a polyether compound containing a hydroxyl group according to the present invention includes polymerizing an AO in an AO-containing raw material with an initiator containing a hydroxyl group in a presence of a composite metal cyanide complex catalyst, in which a content of methanol in the AO-containing raw material is 0.0001 ppm or greater and less than 20 ppm with respect to a total mass of the AO-containing raw material, a method of producing a polyether compound containing a reactive silicon group further includes converting a hydroxyl group of a polyether compound into a group containing a reactive silicon group, a method of producing a polyether compound having a urethane bond further includes reacting a polyether compound containing a hydroxyl group with a polyisocyanate, and a method of producing a polyether compound containing a polymerizable unsaturated group further includes converting a hydroxyl group of a polyether compound into a group containing a polymerizable unsaturated group.

IPC Classes  ?

  • C08G 65/46 - Post-polymerisation treatment, e.g. recovery, purification, drying
  • C08G 65/34 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives

95.

NOVEL METHOD FOR PRODUCING 3-METHYL-1,2,4-THIADIAZOLE-5-CARBOHYDRAZIDE

      
Application Number 19432374
Status Pending
Filing Date 2025-12-24
First Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Suzuki, Hideo
  • Yamazaki, Yusuke
  • Kodera, Ikumi
  • Shimizu, Yukiyo

Abstract

The present invention aims to provide a method for producing 3-methyl-1, 2, 4-thiadiazole-5-carbohydrazide safely and in high yield. The present invention relates to a method for producing 3-methyl-1,2,4-thiadiazole-5-carboxamide or a salt thereof without using toxic carbon monoxide gas. According to the present invention, a safe and high-yielding production method of 3-methyl-1, 2, 4-thiadiazole-5-carbohydrazide, which is an important synthetic intermediate 21 for fezolinetant useful as a medicament for the treatment of sex hormone-dependent diseases, can be provided.

IPC Classes  ?

  • C07D 285/08 - 1,2,4-ThiadiazolesHydrogenated 1,2,4-thiadiazoles

96.

ACIDIC GAS-ABSORBING LIQUID AND ACIDIC GAS REDUCTION METHOD

      
Application Number JP2025034279
Publication Number 2026/088711
Status In Force
Filing Date 2025-09-29
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Taniguchi, Taihei
  • Suzuki, Toyokazu

Abstract

An acidic gas-absorbing liquid that reversibly absorbs and desorbs carbon dioxide, wherein the acidic gas-absorbing liquid contains an organic solvent and an amine compound, and the organic solvent has a Log S value of 0 or less and a vapor pressure of 0.1 to 300.0 Pa at 25°C.

IPC Classes  ?

  • B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
  • C01B 32/50 - Carbon dioxide

97.

COMPOSITION AND CROSSLINKED PRODUCT

      
Application Number JP2025035685
Publication Number 2026/088776
Status In Force
Filing Date 2025-10-08
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Kawai, Tsuyoshi
  • Tamura, Tasuku

Abstract

Provided are a composition containing a fluorine-containing copolymer with which it is possible to obtain a crosslinked product excellent in heat resistance and low-temperature resistance, and a crosslinked product obtained by crosslinking the fluorine-containing copolymer in the composition. The composition contains a fluorine-containing copolymer, a peroxide, a compound C1 having two or more polymerizable unsaturated bonds in one molecule, and a compound C2 having two maleimide groups in one molecule.

IPC Classes  ?

  • C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
  • C08K 5/14 - Peroxides
  • C08K 5/3415 - Five-membered rings

98.

CONNECTOR FOR OPTICAL WAVEGUIDE AND OPTICAL WIRING COMPONENT

      
Application Number JP2025036410
Publication Number 2026/088842
Status In Force
Filing Date 2025-10-15
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor Mieno Hiroyuki

Abstract

The present invention relates to a connector for an optical waveguide, the connector comprising: a groove part (30) in which a sheet-shaped optical waveguide (10) having a step part (15) at both ends in a width direction is installed; and a pair of pin holes (25) which are arranged on both outer sides of the groove part (30) in the width direction and into which guide pins are inserted. The groove part (30) has a first portion (31) in which an under-clad (12) is arranged, a second portion (32) which is formed on one side of the first portion (31) in a vertical direction and in which an over-clad (13) is arranged, and a boundary part (35) formed at the boundary between the first portion (31) and the second portion (32) along the step pars (15). The pair of pin holes (25) are arranged in such a manner that a guide pin reference line (L) connecting the centers of the pair of pin holes (25) is offset by a prescribed distance (g) corresponding to a core height of a core (11) toward the second portion (32) side in relation to the boundary part (35).

IPC Classes  ?

99.

POLYTETRAFLUOROETHYLENE RESIN POWDER, ELECTRODE MIXTURE, ELECTRODE LAYER, ELECTRODE, AND SECONDARY BATTERY

      
Application Number JP2025036503
Publication Number 2026/088857
Status In Force
Filing Date 2025-10-16
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Kasai, Wataru
  • Wada, Shinji
  • Matsumura, Kazuki
  • Terada, Shoshi
  • Kitano, Daiki

Abstract

The present invention pertains to a polytetrafluoroethylene resin powder that can be used as a binder for a secondary battery. In an aspect ratio distribution based on the cumulative number of particles constituting the polytetrafluoroethylene resin powder, the cumulative 50% aspect ratio is 0.65-0.85, and the cumulative ratio of particles having an aspect ratio of less than 0.30 is 10% or less.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 14/26 - Tetrafluoroethene
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof

100.

SURFACE TREATMENT AGENT AND METHOD FOR PRODUCING SAME, ARTICLE AND METHOD FOR PRODUCING SAME, COMPOUND, AND POLYMER

      
Application Number JP2025036950
Publication Number 2026/088936
Status In Force
Filing Date 2025-10-21
Publication Date 2026-04-30
Owner AGC INC. (Japan)
Inventor
  • Nakajima, Sho
  • Hirano, Ryo
  • Yasu, Yusuke
  • Matsuura, Keigo

Abstract

The present disclosure relates to a surface treatment agent comprising a polymer having a unit derived from a compound represented by formula (1). In the formula, T is a monovalent polymerizable group, A is a (1+m)-valent linking group containing neither a fluorine atom nor an aromatic ring, Rfis a perfluoroalkyl group having 1-6 carbon atoms, and m is an integer of 1 or more. (1): T-A-(ORfmm

IPC Classes  ?

  • B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
  • B01D 71/02 - Inorganic material
  • B01D 71/04 - Glass
  • B01D 71/10 - CelluloseModified cellulose
  • B01D 71/26 - Polyalkenes
  • B01D 71/30 - Polyalkenyl halides
  • B01D 71/36 - Polytetrafluoroethene
  • B01D 71/48 - Polyesters
  • B01D 71/56 - Polyamides, e.g. polyester-amides
  • B01D 71/64 - PolyimidesPolyamide-imidesPolyester-imidesPolyamide acids or similar polyimide precursors
  • B01D 71/66 - Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
  • C08F 20/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
  • C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water theretoThawing or antifreeze materials for application to surfaces
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