Patents by Inventor Takaomi Hayashi
Takaomi Hayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230110251Abstract: A non-aqueous electrolyte solution for a battery contains a phosphazene compound (A) that contains at least one of a phosphazene compound represented by Formula (1) or a phosphazene compound represented by Formula (2). In Formulae (1) and (2), each of Y? and Z? independently represents an anion in which a proton is removed from an inorganic acid or an active hydrogen compound; each of twenty-four Rs independently represents a hydrocarbon group having from 1 to 10 carbon atoms; and, among the twenty-four Rs, two Rs bonded to the same nitrogen atom are optionally bonded to each other.Type: ApplicationFiled: March 30, 2021Publication date: April 13, 2023Applicant: MITSUI CHEMICALS, INC.Inventors: Yu MIZUNO, Yuri SUGIHARA, Takaomi HAYASHI, Emiri TANAKA
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Publication number: 20170346127Abstract: A lithium secondary battery including: a positive electrode which contains a positive electrode active material capable of absorbing and desorbing lithium; a negative electrode which contains a negative electrode active material capable of absorbing and desorbing lithium; and a non-aqueous electrolytic solution, wherein at least one of the positive electrode or the negative electrode contains a polymer that is a reaction product of a defined compound (A) and a defined compound (B) which is different from compound (A), and the non-aqueous electrolytic solution contains an additive (X). The additive (X) is at least one compound selected from the group consisting of: a carbonate compound having a carbon-carbon unsaturated bond, a carbonate compound having a halogen atom, an alkali metal salt, a sulfonic acid ester compound, a sulfuric acid ester compound, a nitrile compound, a dioxane compound, and a substituted aromatic hydrocarbon compound.Type: ApplicationFiled: October 22, 2015Publication date: November 30, 2017Applicant: MITSUI CHEMICALS, INC.Inventors: Han ZHANG, Ayumi KOISO, Akihito SHIGEMATSU, Yu IIMURO, Keita NAGAKAWA, Mitsuaki CHIDA, Takaomi HAYASHI, Hitoshi ONISHI, Masataka MIYASATO, Satoko FUJIYAMA
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Publication number: 20170309971Abstract: An electrode for a lithium battery, containing a current collector (A) and a mixture layer (B) contacting the current collector (A) and including an active material (a), an organic solvent binder (b), a conduction assistant (c) comprising carbon black in which an average particle diameter of a primary particle is 1 ?m or less, and a nitrogen-containing polymer (d).Type: ApplicationFiled: September 30, 2015Publication date: October 26, 2017Applicant: Mitsui Chemicals, Inc.Inventors: Han ZHANG, Ayumi KOISO, Akihito SHIGEMATSU, Yu IIMURO, Keita NAGAKAWA, Mitsuaki CHIDA, Takaomi HAYASHI, Hitoshi ONISHI, Masataka MIYASATO, Satoko FUJIYAMA
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Patent number: 8604253Abstract: The present invention is a method for producing a polyhydric phenol, including the following steps (a) to (d): (a) a first step of producing (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexcene-1-one from 2-deoxy-scyllo-inosose by a dehydration reaction; (b) a second step of producing 1,2,4-trihydroxybenzene from the (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexene-1-one obtained in the first step by a dehydration reaction; (c) a third step of producing 4-hydroxycyclohexane-1,3-dione from the 1,2,4-trihydroxybenzene by a catalytic hydrogenation reaction with the use of a metal catalyst; and (d) a fourth step of producing hydroquinone by heating the 4-hydroxycyclohexane-1,3-dione.Type: GrantFiled: April 27, 2010Date of Patent: December 10, 2013Assignee: Mitsui Chemicals, Inc.Inventors: Hideo Kitagawa, Junya Kiyosu, Susumu Saito, Takaomi Hayashi, Naritoshi Yoshimura, Aya Nakagawa
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Patent number: 8378146Abstract: Provided is a method for producing catechol in a one-pot by reacting (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexene-1-one under hydrogen-reducing conditions while heating.Type: GrantFiled: April 7, 2009Date of Patent: February 19, 2013Assignee: Mitsui Chemicals, Inc.Inventors: Tsuneji Suzuki, Takaomi Hayashi, Hideo Kitagawa, Naritoshi Yoshimura
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Publication number: 20120046498Abstract: The present invention is a method for producing a polyhydric phenol, including the following steps (a) to (d): (a) a first step of producing (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexcene-1-one from 2-deoxy-scyllo-inosose by a dehydration reaction; (b) a second step of producing 1,2,4-trihydroxybenzene from the (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexene-1-one obtained in the first step by a dehydration reaction; (c) a third step of producing 4-hydroxycyclohexane-1,3-dione from the 1,2,4-trihydroxybenzene by a catalytic hydrogenation reaction with the use of a metal catalyst; and (d) a fourth step of producing hydroquinone by heating the 4-hydroxycyclohexane-1,3-dione.Type: ApplicationFiled: April 27, 2010Publication date: February 23, 2012Applicant: MITSUI CHEMICALS, INC.Inventors: Hideo Kitagawa, Junya Kiyosu, Susumu Saito, Takaomi Hayashi, Naritoshi Yoshimura, Aya Nakagawa
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Publication number: 20110288240Abstract: A phosphazene-supported catalyst in which a support is bonded to a group represented by the general formula (1): wherein n, Zn?, a, b, c, d, R, R1 and D are all defined. The phosphazene-supported catalyst is highly effective to catalyze various organic reactions, and further has no reduction of activity even after recovery and reuse of the catalyst, thus it being economically advantageous. In addition, the polymerization of cyclic monomers, substitution of substituents, carbon-carbon bond forming reactions and the like can be conducted with extremely high efficiency.Type: ApplicationFiled: August 4, 2011Publication date: November 24, 2011Applicant: Mitsui Chemicals, Inc.Inventors: Naritoshi YOSHIMURA, Shinji Kiyono, Kazumi Mizutani, Isao Hara, Takaomi Hayashi, Tadahito Nobori, Yoshihiro Yamamoto, Miyuki Konno, Yoshihisa Inoue, Akira Matsuura, Tuneyuki Ohkubo
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Publication number: 20110034735Abstract: Provided is a method for producing catechol in a one-pot by reacting (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexene-1-one under hydrogen-reducing conditions while heating.Type: ApplicationFiled: April 7, 2009Publication date: February 10, 2011Applicant: Mitsui Chemicals, Inc.Inventors: Tsuneji Suzuki, Takaomi Hayashi, Hideo Kitagawa, Naritoshi Yoshimura
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Publication number: 20080318767Abstract: A phosphazene-supported catalyst in which a support is bonded to a group represented by the general formula (1): wherein n, Zn?, a, b, c, d, R, R1 and D are all defined. The phosphazene-supported catalyst is highly effective to catalyze various organic reactions, and further has no reduction of activity even after recovery and reuse of the catalyst, thus it being economically advantageous. In addition, the polymerization of cyclic monomers, substitution of substituents, carbon-carbon bond forming reactions and the like can be conducted with extremely high efficiency.Type: ApplicationFiled: June 28, 2005Publication date: December 25, 2008Applicant: Mitsui Chemicals, Inc.Inventors: Naritoshi Yoshimura, Shinji Kiyono, Kazumi Mizutani, Isao Hara, Takaomi Hayashi, Tadahito Nobori, Yoshihiro Yamamoto, Miyuki Konno, Yoshihisa Inoue, Akira Matsuura, Tuneyuki Ohkubo
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Publication number: 20080033154Abstract: A 3-aminomethyltetrahydrofuran derivative is produced by preparing a 3-cyanotetrahydrofuran derivative in a high yield from a malic acid derivative, and reducing the cyano group of the 3-cyanotetrahydrofuran derivative. The process can produce the 3-cyanotetrahydrofuran derivative in a high yield from inexpensive industrial materials.Type: ApplicationFiled: June 2, 2005Publication date: February 7, 2008Applicant: Mitsui Chemicals, Inc.Inventors: Yoshihisa Inoue, Setsuko Funaki, Tetsuya Hamada, Yoshihiro Yamamoto, Isao Hara, Takaomi Hayashi, Miyuki Konno, Shinobu Aoki
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Publication number: 20040256743Abstract: A method for producing an organic compound having Q, the method including a step of reacting a compound represented by general formula (2) with an organic starting material having at least one halogen atom bonded to a carbon atom having four &sgr; bonds so as to replace the halogen atom in the organic starting material with Q:Type: ApplicationFiled: June 10, 2004Publication date: December 23, 2004Applicant: Mitsui Chemicals, Inc.Inventors: Setsuko Funaki, Yoshiteru Taniguchi, Tadahito Nobori, Yoshihiro Yamamoto, Isao Hara, Takaomi Hayashi, Kazumi Mizutani, Shinji Kiyono
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Publication number: 20040260039Abstract: There are disclosed a process for producing an organic compound in the presence of a particular substituted triarylphosphine compound, particularly, a process for producing an oxyalkylene derivative at a high yield using the above compound which is very active and easy to handle, by reacting an organic epoxy compound with a carboxylic acid ester, a carboxylic acid anhydride, a sulfonic acid ester or a carbonic acid ester, and an epoxy resin composition using a particular substituted triarylphosphine compound as a curing accelerator, a cured material of the composition and a semiconductor device using the composition.Type: ApplicationFiled: June 2, 2004Publication date: December 23, 2004Inventors: Naritoshi Yoshimura, Tadahito Nobori, Yoshihiro Yamamoto, Takaomi Hayashi, Shinji Kiyono, Tatsuhiro Urakami, Tomoyuki Kawabata, Sunao Maeda
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Patent number: 6762259Abstract: The purpose of the present invention is to provide polymerization catalyst which can produce quite efficiently (co)polymer having number average molecular weight and number of molecules which are accurately controlled in producing method of (co)polymer by the polymerization of polar unsaturated compound, and provide living polymerized (co)polymer obtained according to the producing method. For the purpose, polymerization catalyst composition which comprises the composition comprising organic oxysalt compound and hydroxycarbonyl compound having at least both an alcoholic hydroxyl group and a carbonyl group in the same molecule is provided and the polar unsaturated compound is polymerized by using the polymerization catalyst composition. The composition containing the obtained (co)polymer were able to provide thermosetting powder coating composition having particularly excellent characteristics.Type: GrantFiled: June 12, 2002Date of Patent: July 13, 2004Assignee: Mitsui Chemicals, Inc.Inventors: Tadahito Nobori, Katsuhiko Funaki, Atsushi Shibahara, Makoto Suzuki, Kazumi Mizutani, Hiromi Jouyama, Isao Hara, Takaomi Hayashi, Shinji Kiyono, Setsuko Fujiyoshi, Hiroyuki Sakayama, Mitsuyuki Mizoguchi, Tsuyoshi Matsumoto, Yoshiharu Hirose
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Patent number: 6528599Abstract: The present invention provides a method of preparing a polymer, which comprises subjecting a monomer containing at least a polar unsaturated compound to anionic polymerization in the presence of a phosphazenium compound represented by the formula (1): (wherein Z− is an anion of an active hydrogen compound in the form where a proton is eliminated from the active hydrogen compound and transferred to the anion; a, b, c and d each represents 1 or 0, but all of them are not simultaneously 0; and R may the same or different and each represents a hydrocarbon group having 1 to 10 carbon atoms, and two R(s) on the same nitrogen atom are optionally combined each other to form a cyclic structure), or in the presence of the phosphazenium compound and the active hydrogen compound. The resulting polymer is characterized by narrow molecular weight distribution.Type: GrantFiled: April 13, 2000Date of Patent: March 4, 2003Assignee: Mitsui Chemicals, Inc.Inventors: Tadahito Nobori, Atsushi Shibahara, Shinji Kiyono, Takaomi Hayashi, Katsuhiko Funaki, Isao Hara, Kazumi Mizutani, Usaji Takaki
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Publication number: 20030023003Abstract: The purpose of the present invention is to provide polymerization catalyst which can produce quite efficiently (co)polymer having number average molecular weight and number of molecules which are accurately controlled in producing method of (co)polymer by the polymerization of polar unsaturated compound, and provide living polymerized (co)polymer obtained according to the producing method. For the purpose, polymerization catalyst composition which comprises the composition comprising organic oxysalt compound and hydroxycarbonyl compound having at least both an alcoholic hydroxyl group and a carbonyl group in the same molecule is provided and the polar unsaturated compound is polymerized by using the polymerization catalyst composition. The composition containing the obtained (co)polymer were able to provide thermosetting powder coating composition having particularly excellent characteristics.Type: ApplicationFiled: June 12, 2002Publication date: January 30, 2003Inventors: Tadahito Nobori, Katsuhiko Funaki, Atsushi Shibahara, Makoto Suzuki, Kazumi Mizutani, Hiromi Jouyama, Isao Hara, Takaomi Hayashi, Shinji Kiyono, Setsuko Fujiyoshi
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Publication number: 20020161227Abstract: A substituted aromatic compound substituted with Q is obtained by reacting a phosphazenium compound represented by formula (1) 1Type: ApplicationFiled: December 20, 2001Publication date: October 31, 2002Inventors: Tadahito Nobori, Setsuko Fujiyoshi, Isao Hara, Takaomi Hayashi, Atsushi Shibahara, Katsuhiko Funaki, Kazumi Mizutani, Shinji Kiyono
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Patent number: 6469224Abstract: A substituted aromatic compound substituted with Q is obtained by reacting a phosphazenium compound represented by formula (1) (in the formula, Q− represents an anion in a form derived by elimination of a proton from an inorganic acid, or an active hydrogen compound having an active hydrogen on an oxygen atom, a nitrogen atom or a sulfur atom; a, b, c and d, each independently, is 0 or 1, but all of them are not 0 simultaneously; and R groups represent the same or different hydrocarbon groups having 1 to 10 carbon atoms, or two Rs on each common nitrogen atom may be bonded together to form a ring structure) with a halogenated aromatic compound having halogen atoms; whereby, at least one halogen atom in the halogenated aromatic compound is substituted with Q (where, Q represents an inorganic group or an organic group in a form derived by elimination of one electron from Q− in formula (1)).Type: GrantFiled: December 20, 2001Date of Patent: October 22, 2002Assignee: Mitsui Chemicals, Inc.Inventors: Tadahito Nobori, Setsuko Fujiyoshi, Isao Hara, Takaomi Hayashi, Atsushi Shibahara, Katsuhiko Funaki, Kazumi Mizutani, Shinji Kiyono
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Patent number: 6444847Abstract: A process for preparing phosphine oxides by reacting iminophosphoranes with phosphorus oxytrichloride by which highly purified phosphine oxides can be obtained industrially in a higher yield. Specifically, phosphine oxides are prepared in such a manner that iminophosphoranes are reacted with phosphorus oxytrichloride using an aprotic organic solvent with permittivity 2.2 or more at 20° C. as a solvent under special reaction conditions to give a liquid reaction product containing phosphine oxides and aminophosphonium chlorides which are yielded as a by-product at the same time as the phosphine oxides, and the above described chlorides are removed from the above described liquid reaction product by a solid-liquid separation process, and the solution having been subjected to the solid-liquid separation process is washed with water.Type: GrantFiled: August 24, 2001Date of Patent: September 3, 2002Assignee: Mitsui Chemicals, Inc.Inventors: Tadahito Nobori, Isao Hara, Katsuhiko Funaki, Takaomi Hayashi, Atsushi Shibahara, Shinji Kiyono, Kazumi Mizutani, Usaji Takaki
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Publication number: 20020016504Abstract: To provide a process for preparing phosphine oxides comprising reacting iminophosphoranes with phosphorus oxytrichloride by which highly purified phosphine oxides can be obtained industrially in a higher yield.Type: ApplicationFiled: August 24, 2001Publication date: February 7, 2002Inventors: Tadahito Nobori, Isao Hara, Katsuhiko Funaki, Takaomi Hayashi, Atsushi Shibahara, Shinji Kiyono, Kazumi Mizutani, Usaji Takaki
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Patent number: 6303815Abstract: A process for preparing phosphine oxides by reacting iminophosphoranes with phosphorus oxytrichloride by which highly purified phosphine oxides can be obtained industrially in a higher yield. Specifically, phosphine oxides are prepared in such a manner that iminophosphoranes are reacted with phosphorus oxytrichloride using an aprotic organic solvent with permittivity 2.2 or more at 20° C. as a solvent under special reaction conditions to give a liquid reaction product containing phosphine oxides and aminophosphonium chlorides which are yielded as a by-product at the same time as the phosphine oxides, and the above described chlorides are removed from the above described liquid reaction product by a solid-liquid separation process, and the solution having been subjected to the solid-liquid separation process is washed with water.Type: GrantFiled: April 13, 2000Date of Patent: October 16, 2001Assignee: Mitsui Chemicals, Inc.Inventors: Tadahito Nobori, Isao Hara, Katsuhiko Funaki, Takaomi Hayashi, Atsushi Shibahara, Shinji Kiyono, Kazumi Mizutani, Usaji Takaki