Patents Assigned to Osaka Soda Co. Ltd.
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Publication number: 20240343583Abstract: Provided is an aqueous carbon nanotube dispersion with excellent dispersibility of carbon nanotubes in water. An aqueous carbon nanotube dispersion containing carbon nanotubes dispersed in water, wherein the carbon nanotubes have a mean particle diameter (D50) of 1 ?m or less, and when the carbon nanotubes are prepared as an aqueous dispersion with a concentration of 0.1% by mass, a spin-spin relaxation time (T22) of a second component is 1000 msec or less as measured by a measurement method as set forth below: <Spin-Spin Relaxation Time (T22) of Second Component> The spin-spin relaxation time (T22) of the second component is calculated by fitting a relaxation curve measured at 30° C.Type: ApplicationFiled: August 17, 2022Publication date: October 17, 2024Applicant: OSAKA SODA CO., LTD.Inventors: Yasushi KONDA, Mei SUEOKA, Hayato WATANABE
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Publication number: 20240297340Abstract: A composite solid electrolyte includes: a sulfide solid electrolyte; and a polymer electrolyte containing a polymer and a lithium imide salt, wherein the content of the lithium imide salt with respect to the polymer electrolyte is 40 mass % or more. A solid-state battery includes the composite solid electrolyte.Type: ApplicationFiled: February 28, 2024Publication date: September 5, 2024Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, OSAKA SODA CO., LTD.Inventors: Shinya SHIOTANI, Masato TABUCHI
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Publication number: 20240246790Abstract: A carbon nanotube collection apparatus includes: a collection room having an opening part communicating with a carbon nanotube production apparatus; a winding member arranged inside the collection room and configured to wind a carbon nanotube passed through the opening part from the carbon nanotube production apparatus to form a carbon nanotube wound body; and a separation mechanism configured to move the carbon nanotube wound body from a base end side toward a tip end side of the winding member to separate the carbon nanotube wound body from the winding member.Type: ApplicationFiled: September 28, 2022Publication date: July 25, 2024Applicants: DOWA THERMOTECH CO., LTD., MEIJO NANO CARBON CO., LTD., OSAKA SODA CO., LTD.Inventors: Shinya CHOU, Maya KAMIOKA, Takahiro FUJITA, Takeshi HASHIMOTO, Kei TAKANO, Hisato KAGAWA
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Patent number: 11697592Abstract: Provided is a method for highly efficiently producing highly pure single-walled carbon nanotubes. This method for producing carbon nanotubes by fluidized CVD includes: a step for heating a material (A) to 1200° C. or higher, in which the total mass of Al2O3 and SiO2 constitutes at least 90% of the total mass of the material (A) and the mass ratio of Al2O3/SiO2 is in the range of 1.0-2.3; and a step for bringing a gas, which is present in the environment in which the material (A) is being heated to 1200° C. or higher, into contact with a feed gas to generate carbon nanotubes.Type: GrantFiled: July 26, 2019Date of Patent: July 11, 2023Assignees: Osaka Soda Co., Ltd., Meijo Nano Carbon Co., Ltd.Inventors: Naruhito Iwasa, Daigo Hirayama, Jitsuo Oda, Yasushi Miki, Hisato Kagawa, Takeshi Hashimoto, Kei Takano
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Publication number: 20210324138Abstract: A polyether electrical-resistance adjusting agent of the present invention comprises a polymer that contains 10 to 60 mol % of a structural unit derived from an epihalohydrin (a), 30 to 89 mol % of a structural unit derived from an alkylene oxide (b), and 1 to 15 mol % of a structural unit derived from an ethylenically unsaturated group-containing monomer (c), and that has a weight-average molecular weight of 1,300,000 or less.Type: ApplicationFiled: March 27, 2018Publication date: October 21, 2021Applicant: OSAKA SODA CO., LTD.Inventors: Kazuki UNO, Yoritaka YASUDA, Naoya YAJIMA, Shinichi UDO
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Patent number: 11149157Abstract: The present invention provides a photocurable resin composition containing a polymer (A) which has excellent adhesion to plastic substrates. The present invention relates to a photocurable resin composition that contains a polymer (A) produced by polymerization of a compound represented by the following formula [I]: wherein each R1 may be the same or different and represents a hydrogen atom, a C1-C5 alkyl group, a glycidyl group, or the group —CH2—CR3?CHR2 wherein R2 and R3 each represent H or CH3, provided that at least one R1 is the group —CH2—CR3?CHR2.Type: GrantFiled: August 8, 2017Date of Patent: October 19, 2021Assignee: Osaka Soda Co., Ltd.Inventors: Yuna Honmura, Satoshi Inoue, Shinichiro Ohashi, Katsutoshi Yokoyama
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Patent number: 11084891Abstract: Provided is a photocurable resin composition containing an allylic polymer (A) which has excellent adhesion to plastic substrates.Type: GrantFiled: November 29, 2018Date of Patent: August 10, 2021Assignee: Osaka Soda Co., Ltd.Inventors: Katsutoshi Yokoyama, Shinichiro Ohashi, Satoshi Inoue
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Patent number: 10941232Abstract: The present invention aims to provide a photocurable resin composition capable of constituting a composition having high printability. The present invention relates to a photocurable resin composition containing (A) an allylic polymer produced by polymerization of an allylic compound represented by the following formula (I), and (B) a gelling agent, wherein R1 and R2 each represent H or CH3; X represents an a-valent group having an unsubstituted saturated or partially unsaturated four- to eight-membered cyclic structure; and a represents 2 or 3.Type: GrantFiled: March 27, 2017Date of Patent: March 9, 2021Assignee: Osaka Soda Co., Ltd.Inventors: Shinichiro Ohashi, Katsutoshi Yokoyama, Satoshi Inoue
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Publication number: 20200361967Abstract: The present invention provides an organosilicon compound that has a novel structure, that makes it possible to obtain a rubber material excellent in mechanical properties, fuel economy, and grip performance, and that is preferably obtained from a naturally occurring material; and a rubber composition comprising the organosilicon compound.Type: ApplicationFiled: January 18, 2019Publication date: November 19, 2020Applicant: OSAKA SODA CO., LTD.Inventors: Yukihiro TACHI, Ryota FUKITANI, Satoshi INOUE
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Patent number: 10836911Abstract: In order to provide a filler composition for fabricating a high-performance filler achieving good productivity while preventing worsening of a working environment and production of a VOC and to provide a filler and a method for producing the filler, a filler composition of the present invention contains wet silica, a polyoxyethylene unsaturated fatty acid ester, and a sulfur-containing silane coupling agent.Type: GrantFiled: June 26, 2015Date of Patent: November 17, 2020Assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Osaka Soda Co., Ltd.Inventors: Toshio Kagimasa, Nahoko Izaki, Shoukichi Nakamura, Tomoyuki Ichino, Ryota Fukitani
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Patent number: 10636587Abstract: A low-cost electrochemical capacitor is provided which has high capacity and excellent charging and discharging characteristics, simultaneously has excellent safety and reliability, and has the basic performance as a capacitor, achieved in that between a negative electrode and a positive electrode, a solution of a specific polyether copolymer, an inorganic or organic filler, and an electrolyte salt is selected as appropriate as the electrolyte and is held between the two electrodes. This low-cost electrochemical capacitor has the basic performance of a capacitor, has high capacity and excellent charging and discharging characteristics, and simultaneously has excellent safety and reliability.Type: GrantFiled: March 30, 2016Date of Patent: April 28, 2020Assignee: OSAKA SODA CO., LTD.Inventors: Takashi Matsuo, Masato Tabuchi, Hideaki Ueda, Katsuhito Miura
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Patent number: 10604600Abstract: The objection of the present invention is to provide a photocurable resin composition having deep curability. The photocurable resin composition comprises an allyl polymer (a) produced by polymerization of an allyl compound represented by the following formula (1), a photocurable compound (b), and a photopolymerization initiator (c). In the formula, n represents an integer of 2 to 4; Z is selected from a binding site, an n-valent aliphatic chain hydrocarbon group optionally having a hydroxyl group, an n-valent alicyclic hydrocarbon group optionally having an alkyl group, and an n-valent aromatic hydrocarbon group optionally having an alkyl group; n is 2 and two —COOCH2CH?CH2 moieties are directly bonded to each other when Z is a binding site.Type: GrantFiled: March 10, 2017Date of Patent: March 31, 2020Assignee: OSAKA SODA CO., LTD.Inventors: Hideaki Umakoshi, Naruhito Iwasa, Hiroki Yamamoto
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Patent number: 10510495Abstract: A low-cost electrochemical capacitor is provided which has high capacity and excellent charging and discharging characteristics, simultaneously has excellent safety and reliability, and has the basic performance as a capacitor, achieved in that, as the electrolyte between a negative electrode and a positive electrode, a solution of an ambient temperature molten salt and a specific polyether copolymer is allowed to gel using a specific photoreaction initiator and is held between the two electrodes. This low-cost electrochemical capacitor has the basic performance of a capacitor, has high capacity and excellent charging and discharging characteristics without use of a separator, and simultaneously has excellent safety and reliability.Type: GrantFiled: March 30, 2016Date of Patent: December 17, 2019Assignee: OSAKA SODA CO., LTD.Inventors: Takashi Matsuo, Masato Tabuchi, Hideaki Ueda, Katsuhito Miura
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Patent number: 10483545Abstract: Provided is a binder for battery electrodes which includes a polymer including: structural units (1) derived from a (meth)acrylate monomer (A) having a hydroxyl group; structural units (2) derived from a polyfunctional (meth)acrylate monomer (B); and structural units (3) derived from a reactive surfactant (C). This binder is used to prepare electrodes, and produce batteries such as lithium ion secondary batteries. Provided are: an aqueous binder which has a low environmental impact, exhibits excellent binding properties, and, notably, does not cause oxidation degradation under an electrode environment; and an electrode and a battery which use said binder.Type: GrantFiled: March 3, 2015Date of Patent: November 19, 2019Assignee: OSAKA SODA CO., LTD.Inventors: Tomoyuki Yano, Miwa Nakamura, Takashi Matsuo, Yasushi Miki, Katsuhito Miura
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Patent number: 10336836Abstract: An object of the present invention is to provide a photocurable resin composition that has excellent adhesion to plastic substrates and can form a composition with good compatibility.Type: GrantFiled: January 27, 2016Date of Patent: July 2, 2019Assignee: Osaka Soda Co., Ltd.Inventors: Katsutoshi Yokoyama, Shinichiro Ohashi, Masahiro Kohara, Satoshi Inoue
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Publication number: 20190136042Abstract: A composition for laminates, comprising: (a) an epichlorohydrin polymer; (b) a compound having a vinyl group; (c) at least one compound selected from the group consisting of a 1,8-diazabicyclo(5.4.0)undecene-7 salt, a 1,5-diazabicyclo(4.3.0)-nonene-5 salt, 1,8-diazabicyclo(5.4.0)undecene-7 and 1,5-diazabicyclo(4.3.0)-nonene-5; and (d) a metal salt hydrate.Type: ApplicationFiled: April 27, 2017Publication date: May 9, 2019Applicant: OSAKA SODA CO.,LTD.Inventors: Tsuyoshi IMAOKA, Toshiyuki FUNAYAMA, Taro OZAKI, Tomonori HARADA
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Publication number: 20190100608Abstract: The objection of the present invention is to provide a photocurable resin composition having deep curability. The photocurable resin composition comprises an allyl polymer (a) produced by polymerization of an allyl compound represented by the following formula (1), a photocurable compound (b), and a photopolymerization initiator (c). In the formula, n represents an integer of 2 to 4; Z is selected from a binding site, an n-valent aliphatic chain hydrocarbon group optionally having a hydroxyl group, an n-valent alicyclic hydrocarbon group optionally having an alkyl group, and an n-valent aromatic hydrocarbon group optionally having an alkyl group; n is 2 and two —COOCH2CH?CH2 moieties are directly bonded to each other when Z is a binding site.Type: ApplicationFiled: March 10, 2017Publication date: April 4, 2019Applicant: OSAKA SODA CO., LTD.Inventors: Hideaki UMAKOSHI, Naruhito IWASA, Hiroki YAMAMOTO
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Patent number: 10208388Abstract: An ion exchange membrane electrolyzer includes an elastic body configured to press on a second electrode so as to bring an ion exchange membrane into close contact with electrodes. The elastic body includes a fixed part fixed to one of a base part and the second electrode, and an elastic part that extends from the fixed part, and is configured to press on the second electrode by elastic deformation. The elastic part is formed so as to be plate-like and formed so as to be corrugated along a direction in which it extends, such that a top part on one side is in contact with the base part and a top part on the other side is in contact with the second electrode.Type: GrantFiled: October 23, 2014Date of Patent: February 19, 2019Assignee: Osaka Soda Co., Ltd.Inventors: Satoshi Hatano, Manabu Nagase, Li Weitao
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Patent number: 10158082Abstract: A semiconducting component for an electrographic device, comprising a crosslinked body obtained by crosslinking a copolymer containing 9.9 to 39.9% by mole of structural units (a) originating from an epihalohydrin, 60 to 90% by mole of structural units (b) originating from an alkylene oxide, and 0.1 to 10% by mole of structural units (c) originating from a cyclic ether monomer having a (meth)acryloyl or alkoxysilyl group with use of reactivity of the structural units originating from the cyclic ether monomer having a (meth)acryloyl or alkoxysilyl group.Type: GrantFiled: October 14, 2014Date of Patent: December 18, 2018Assignee: OSAKA SODA CO., LTD.Inventors: Kazuki Uno, Kohji Ohnuki, Shinichi Udo, Yoritaka Yasuda
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Patent number: 10014525Abstract: This binder for battery electrodes is characterized by containing a polymer including: (A) a structural unit represented by general formula (1) and derived from a monomer having a hydroxyl group (in the formula, R1 is a hydrogen or a C1-C4 straight-chain or branched alkyl group, R2 and R3 are each a hydrogen or a C1-C4 straight-chained or branched alkyl group, and n is an integer of 2-30); (B) a structural unit derived from an ethylenically unsaturated monomer having at least one functional group selected from the group consisting of a difunctional carboxylic acid group, a nitrile group and a ketone group; and (C) a structural unit derived from a polyfunctional (meth)acrylate monomer having at most five functional groups.Type: GrantFiled: January 24, 2014Date of Patent: July 3, 2018Assignee: OSAKA SODA CO., LTD.Inventors: Takashi Matsuo, Tomoyuki Yano, Yasushi Miki, Katsuhito Miura