162 patents
Page 3 of 9
Utility
Treatment Liquid for Semiconductors and Method for Producing Same
27 Apr 23
A treatment liquid for a semiconductor containing a group 6 metal, the treatment liquid containing hypobromite ions.
Yuki KIKKAWA, Tomoaki SATO, Takafumi SHIMODA, Takayuki NEGISHI
Filed: 31 Mar 21
Utility
Semiconductor Treatment Liquid and Method for Manufacturing Same
20 Apr 23
Provided are: a semiconductor treatment liquid comprising high-purity isopropyl alcohol, wherein the concentration of the oxolane compound expressed in formula (1) below when held for 60 days in a nitrogen atmosphere at 50° C. in a SUS304 container is 25 ppb or less on a mass basis in relation to the isopropyl alcohol; and a method for manufacturing said semiconductor treatment liquid.
Masashi Shinagawa, Takashi Tokunaga, Yuu Mishima, Shunsuke Hosaka
Filed: 30 Mar 21
Utility
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20 Apr 23
A device is provided which is capable of evenly etching the entire surface of a silicon core wire.
Junya SAKAI, Takuya YOKOSE
Filed: 4 Sep 20
Utility
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6 Apr 23
A primer composition for optical article, the composition includes (A) an urethane prepolymer that is a reactant between (A1) a polyisocyanate compound having two or more isocyanate groups per molecule and (A2) at least one polyol compound having two or more hydroxyl groups per molecule and being selected from the group consisting of polycarbonate polyols, polyester polyols, and polycaprolactone polyols, and that has two or more isocyanate groups per molecule protected by a blocking agent; (B) an active hydrogen-containing compound having, per molecule, two or more active hydrogen functional groups having an active hydrogen; and (C) an organic solvent not having an active hydrogen.
Taichi Hanasaki, Katsuhiro Mori, Junji Takenaka, Junji Momoda
Filed: 25 Feb 21
Utility
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6 Apr 23
The present invention provides: a photochromic curable composition which contains (A) a (meth)acrylate composition that contains from 24 to 100% by mass of a polyfunctional (meth)acrylate which has three or more (meth)acryloyl groups in each molecule and (B) a photochromic compound that is obtained by bonding at least one specific naphthopyran to a long-chain group having a number average molecular weight of from 300 to 10,000; and a photochromic optical article which is obtained by polymerizing this photochromic curable composition.
Masayuki Miyazaki, Katsuhiro Mori, Junji Momoda
Filed: 26 Feb 21
Utility
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30 Mar 23
An alkaline water electrolysis vessel including: an anode-side frame body defining an anode chamber; a cathode-side frame body defining a cathode chamber; an ion-permeable separating membrane being arranged between the anode-side frame body and the cathode-side frame body, and separating the anode chamber and the cathode chamber; a gasket being sandwiched by the anode-side frame body and the cathode-side frame body to be held therebetween, and holding the periphery of the separating membrane; an anode being arranged in the anode chamber without being held by the gasket; a cathode being arranged in the cathode chamber without being held by the gasket; and an electroconductive first elastic body arranged in the anode chamber, wherein the anode is a flexible first porous plate; and the anode is arranged between the separating membrane and the first elastic body, and is pushed by the first elastic body toward the cathode.
Yasuyuki TANAKA
Filed: 23 Mar 21
Utility
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23 Mar 23
Provided is a moisture curable polyurethane composition that is a moisture curable polyurethane having an isocyanate group on one end of a molecule thereof.
Toshimitsu Hiraren, Taichi Hanasaki, Katsuhiro Mori, Junji Tanenaka, Junji Momoda
Filed: 26 Feb 21
Utility
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23 Mar 23
An alkaline water electrolysis vessel including: a first frame body defining an anode chamber and including an electroconductive first separating wall and a first flange part; a second frame body defining a cathode chamber and including an electroconductive second separating wall and a second flange part; an ion-permeable separating membrane being arranged between the first frame body and the second frame body, and separating the anode chamber and the cathode chamber; an anode being arranged in the anode chamber, and being electrically connected with the first separating wall; and a cathode being arranged in the cathode chamber, and being electrically connected with the second separating wall, the first frame body further including: a nickel-plating layer of no less than 40 µm in thickness, and being arranged at least on a wet part of a first surface of the first frame body which faces the anode chamber.
Yasuyuki TANAKA
Filed: 23 Mar 21
Utility
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16 Mar 23
Yoshinori Tagashira, Yoshiaki Yamashita, Masato Hamamoto
Filed: 4 Feb 21
Utility
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16 Mar 23
A separating membrane-gasket-protecting member assembly including: an ion-permeable separating membrane; a gasket holding a periphery of the membrane; and a frame-shaped protecting member holding the gasket; the protecting member including: a frame-shaped base body; and a frame-shaped lid member; the base body including: a receiving part being arranged in an inner periphery of the base body and receiving the gasket and the lid member; and a supporting part extending toward an inner periphery side of the base body and supporting the gasket received in the receiving part in a direction crossing a main face of the membrane; and the lid member having dimensions such that the lid member can be received in the receiving part, wherein the gasket and the lid member are received in the receiving part such that the gasket is sandwiched between the supporting part and the lid member.
Yasuyuki TANAKA, Yasunori MIYAGAWA
Filed: 18 Nov 22
Utility
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9 Mar 23
Provided is a silica that exhibits a high matting property when utilized as a matting agent for a paint, and can also suppress the occurrence of cloudiness.
Masahiro NAKAMURA
Filed: 1 Apr 21
Utility
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16 Feb 23
Provided is a method for producing a halogenated hydrocarbon magnesium compound, the method including bringing a halogenated hydrocarbon compound into contact with magnesium having a specific surface area of 1×10−5 to 2×10−4 m2/g.
Hiroyuki Oda, Ryosuke Nishimoto, Daisuke Abiko, Takenori Isomura
Filed: 21 Jan 21
Utility
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26 Jan 23
The present invention relates to a microballoon.
Yasutomo SHIMIZU, Takayoshi KAWASAKI
Filed: 10 Dec 20
Utility
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26 Jan 23
An electrolysis element for alkaline water electrolysis includes: an electroconductive separating wall including a first face and a second face; an anode for generating oxygen; a cathode for generating hydrogen; a first connecting means fixing the anode to the separating wall such that the anode faces the first face of the separating wall at a first distance, and electrically connecting the anode to the separating wall; an electroconductive elastic body supporting the cathode; and a cathode current collector supporting the elastic body, the cathode current collector being fixed to the separating wall, to face the second face of the separating wall at a second distance, and being electrically connected to the separating wall, the first connecting means including: an electroconductive bolt including at least a shaft, wherein the anode is removably fixed to the separating wall by means of the electroconductive bolt.
Yasuyuki TANAKA, Hitoshi MATSUI
Filed: 23 Mar 21
Utility
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19 Jan 23
Shota DAIKI, Yuuki HIROZANE
Filed: 7 Dec 20
Utility
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5 Jan 23
The present invention relates to a method for producing a metal nitride, which is a method for synthesizing a metal nitride by igniting a raw material powder containing a metal powder housed in a reaction vessel (2) under a nitrogen atmosphere and propagating nitriding combustion heat of the metal powder to the whole of the housed raw material powder, characterized in that the raw material powder is housed in the reaction vessel (2) as a molded body (1B) having a void ratio of 40 to 70%.
Satoru WAKAMATSU, Koji AKIMOTO
Filed: 2 Dec 20
Utility
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5 Jan 23
The present invention decreases the impurity concentration of polycrystalline silicon to be produced.
Koichi ISHIKAWA
Filed: 24 Sep 20
Utility
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29 Dec 22
Akihiro SAITO, Dai TSUNODA, Masayuki MORIWAKI
Filed: 3 Dec 20
Utility
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29 Dec 22
The present invention relates to a method for producing a metal nitride by igniting a raw material powder containing a metal powder filled in a reaction vessel under a nitrogen atmosphere and propagating nitriding combustion heat generated by a nitriding reaction of the metal to the whole raw material powder, the method including forming a heat insulating layer made of a material having nitrogen permeability and inert to the nitriding reaction on an upper surface of a layer made of the raw material powder.
Satoru WAKAMATSU, Koji AKIMOTO
Filed: 2 Dec 20
Utility
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29 Dec 22
The present invention provides a semiconductor wafer treatment liquid, the treatment liquid including at least one hypohalite ion, and at least one anion species selected from halate ion, halite ion and halide ion, wherein at least one of the anion species has a content of 0.30 mol/L or more and 6.00 mol/L or less relative to the treatment liquid.
Tomoaki SATO, Yuki KIKKAWA, Takafumi SHIMODA, Takayuki NEGISHI
Filed: 25 Nov 21