Patents by Inventor Kiyotomi Kaneda
Kiyotomi Kaneda 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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Patent number: 12110296Abstract: The present invention provides a method for producing a compound represented by formula (2), comprising at least a step of preparing a compound represented by formula (1) and a step of reacting the compound represented by formula (1) with a hydrogen source using a catalyst, wherein R1 and R2 are each independently an alkyl group.Type: GrantFiled: October 7, 2019Date of Patent: October 8, 2024Assignees: N.E. CHEMCAT CORPORATION, OSAKA UNIVERSITYInventors: Kiyotomi Kaneda, Takato Mitsudome, Yoshiyuki Wada, Yukio Takagi
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Patent number: 11505460Abstract: Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.Type: GrantFiled: September 8, 2017Date of Patent: November 22, 2022Assignees: OSAKA UNIVERISTY, DAICEL CORPORATIONInventors: Kiyotomi Kaneda, Takato Mitsudome, Yasuteru Kajikawa, Yuuichirou Hirai, Keisuke Ono
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Publication number: 20220144789Abstract: Provided is a catalyst for amide compound hydrogenation characterized in that rhodium and molybdenum are supported on hydroxyapatite, the catalyst for amide compound hydrogenation providing a catalyst that can promote a reduction reaction that converts an amide compound into an amine compound, can be used under moderate conditions, and has durability that allows repeated use thereof while retaining high activity. Also provided is a method for producing an amine compound, the method being characterized by including bringing an amide compound into contact with the catalyst for amide compound hydrogenation to cause hydrogenation, thereby producing an amine compound.Type: ApplicationFiled: February 20, 2020Publication date: May 12, 2022Applicants: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATIONInventors: Kiyotomi KANEDA, Takato MITSUDOME, Miho KIMURA, Yukio TAKAGI, Yosuke IMANAKA, Hiroyasu SUZUKA, Tatsuya KOJIMA
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Publication number: 20220127218Abstract: An object of the present invention is to provide a method for selectively producing a hydroxycarboxylic acid ester, the method including reducing a dicarboxylic acid monoester by means of a heterogeneous reaction. According to a method for producing a hydroxycarboxylic acid ester in an embodiment of the present invention, a hydroxycarboxylic acid ester represented by Formula (2) is produced by reducing a substrate dicarboxylic acid monoester represented by Formula (1) in the presence of a catalyst. The catalyst comprises: metal species including M1 and M2; and a support supporting the metal species, and wherein M1 is rhodium, platinum, ruthenium, iridium or palladium; M2 is tin, vanadium, molybdenum, tungsten or rhenium; and the support is hydroxyapatite, fluorapatite, or hydrotalcite.Type: ApplicationFiled: March 5, 2019Publication date: April 28, 2022Applicants: OSAKA UNIVERSITY, DAICEL CORPORATIONInventors: Tomoo MIZUGAKI, Kiyotomi KANEDA, Yasuteru KAJIKAWA, Yuuichirou HIRAI
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Publication number: 20220111367Abstract: Provided is a hydrogenation catalyst for an amide compound, containing hydroxyapatite and platinum and vanadium that are fixed on the hydroxyapatite, 15 to 80% of the surface of the platinum being covered with vanadium. The hydrogenation catalyst can promote a reduction reaction in which an amide compound is converted into an amine compound, can be used under mild conditions, and has such durability that the catalyst can be repeatedly used while retaining a high activity.Type: ApplicationFiled: August 30, 2019Publication date: April 14, 2022Applicants: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATIONInventors: Kiyotomi KANEDA, Takato MITSUDOME, Miho KIMURA, Yukio TAKAGI, Yoshiyuki WADA
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Publication number: 20220024842Abstract: The present invention provides a method for selectively producing an alcohol by efficiently hydrogenating a lactone. The present invention is a method for producing an alcohol, the method including hydrogenating a substrate lactone represented by Formula (1), in the presence of a catalyst described below, to produce an alcohol that is represented by Formula (2). In the formulae, R represents a divalent hydrocarbon group which may have a hydroxyl group. The catalyst comprises: metal species including M1 and M2; and a support supporting the metal species, and wherein M1 is rhodium, platinum, ruthenium, iridium, or palladium; M2 is tin, vanadium, molybdenum, tungsten, or rhenium; and the support is hydroxyapatite, fluorapatite, hydrotalcite, or ZrO2.Type: ApplicationFiled: September 17, 2019Publication date: January 27, 2022Applicants: OSAKA UNIVERSITY, DAICEL CORPORATIONInventors: Tomoo MIZUGAKI, Kiyotomi KANEDA, Yasuteru KAJIKAWA, Yuuichirou HIRAI
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Publication number: 20210380594Abstract: The present invention provides a method for producing a compound represented by formula (2), comprising at least a step of preparing a compound represented by formula (1) and a step of reacting the compound represented by formula (1) with a hydrogen source using a catalyst, wherein R1 and R2 are each independently an alkyl group.Type: ApplicationFiled: October 7, 2019Publication date: December 9, 2021Applicants: N.E. CHEMCAT CORPORATION, OSAKA UNIVERSITYInventors: Kiyotomi KANEDA, Takato MITSUDOME, Yoshiyuki WADA, Yukio TAKAGI
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Publication number: 20200016576Abstract: A catalyst, which can be used even under mild conditions and also has durability so as to enable repeated use while maintaining high activity, and with which a reduction reaction for converting an amide compound into an amine compound can be carried out, is provided by means of an amide compound hydrogenation reaction catalyst characterized in that platinum and vanadium are supported on a carrier and a method for producing an amine compound using the same.Type: ApplicationFiled: March 28, 2018Publication date: January 16, 2020Applicants: OSAKA UNIVERSITY, N. E. CHEMCAT COROPORATIONInventors: Kiyotomi KANEDA, Takato MITSUDOME, Yukio TAKAGI
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Publication number: 20190276309Abstract: Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.Type: ApplicationFiled: September 8, 2017Publication date: September 12, 2019Applicants: OSAKA UNIVERSITY, DAICEL CORPORATIONInventors: Kiyotomi KANEDA, Takato MITSUDOME, Yasuteru KAJIKAWA, Yuuichirou HIRAI, Keisuke ONO
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Patent number: 9707544Abstract: Conventionally, a silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle has been synthesized through a multi-stage process, and is disadvantageous not only in that there is a need to use an organic solvent and a surfactant, causing the time and cost to be increased, but also in that there is a possibility that fulminating silver is formed, leading to a problem about the safety. A method for producing a catalyst having a silver-cerium oxide composite and an alkaline carrier having supported thereon the oxide composite, the silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle, the method having preparing a mixture containing a silver compound, a cerium compound, and an alkaline carrier, and drying the mixture is provided.Type: GrantFiled: April 22, 2016Date of Patent: July 18, 2017Assignees: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATIONInventors: Kiyotomi Kaneda, Yukio Takagi
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Publication number: 20160310931Abstract: Conventionally, a silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle has been synthesized through a multi-stage process, and is disadvantageous not only in that there is a need to use an organic solvent and a surfactant, causing the time and cost to be increased, but also in that there is a possiblity that fulminating silver is formed, leading to a problem about the safety. A method for producing a catalyst having a silver-cerium oxide composite and an alkaline carrier having supported thereon the oxide composite, the silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle, the method having preparing a mixture containing a silver compound, a cerium compound, and an alkaline carrier, and drying the mixture is provided.Type: ApplicationFiled: April 22, 2016Publication date: October 27, 2016Applicants: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATIONInventors: KIYOTOMI KANEDA, YUKIO TAKAGI
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Patent number: 8946468Abstract: A process for producing an unsaturated bond-containing ester compound includes reacting an internal olefin or a cyclic olefin having one carbon-carbon double bond or more at a position other than terminals of a molecule thereof (the internal olefin and the cyclic olefin may each contain a hetero atom) with a carboxylic acid in an amide-based solvent represented by a formula (1) in the presence of a palladium catalyst, a base, and molecular oxygen, to obtain an ester compound having an unsaturated bond.Type: GrantFiled: February 18, 2011Date of Patent: February 3, 2015Assignees: JX Nippon Oil & Energy Corporation, Osaka UniversityInventors: Kiyotomi Kaneda, Hisashi Sone
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Patent number: 8507728Abstract: A method for manufacturing a ketone includes oxidizing an internal olefin or a cyclic olefin having one carbon-carbon double bond or more at a position other than terminals of a molecule thereof in an amide-based solvent in the presence of water, a palladium catalyst, and molecular oxygen, thereby bonding an oxo group to at least one of the carbon atoms constituting the carbon-carbon double bond, in which the amide-based solvent is represented by the formula in the formula (1), R1 represents an alkyl group having 1 to 4 carbon atoms, R2 and R3 each independently represent an alkyl group having 1 to 4 carbon atoms or an aryl group, and when R1 and R2 are alkyl groups, R1 and R2 may be bonded to each other to form a ring structure.Type: GrantFiled: November 24, 2009Date of Patent: August 13, 2013Assignee: JX Nippon Oil & Energy CorporationInventors: Kiyotomi Kaneda, Hisashi Sone
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Publication number: 20120316360Abstract: A process for producing an ?,?-unsaturated bond-containing ester compound, comprising: reacting an internal olefin or a cyclic olefin having one carbon-carbon double bond or more at a position other than terminals of a molecule thereof (the internal olefin and the cyclic olefin may each contain a hetero atom) with a carboxylic acid in an amide-based solvent in the presence of a palladium catalyst, a base, and molecular oxygen, thereby bonding a carboxyl group of the carboxylic acid to at least one of carbon atoms constituting the carbon-carbon double bond and carbon atoms at allylic positions of the internal olefin or the cyclic olefin, to obtain an ester compound having an ?,?-unsaturated bond, the amide-based solvent being represented by the following formula (1): (in the formula (1), R1 represents an alkyl group having 1 to 4 carbon atoms; R2 and R3 each independently represent an alkyl group having 1 to 4 carbon atoms or an aryl group; and when R1 and R2 are alkyl groups, R1 and R2 may be bondeType: ApplicationFiled: February 18, 2011Publication date: December 13, 2012Applicants: Osaka University, JX NIPPON OIL & ENERGY CORPORATIONInventors: Kiyotomi Kaneda, Hisashi Sone
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Publication number: 20120197036Abstract: A method for manufacturing a ketone, includes oxidizing an internal olefin or a cyclic olefin having a functional group containing a hetero atom and one carbon-carbon double bond or more at a position other than terminals of a molecule thereof in an amide-based solvent in the presence of water, a palladium catalyst, and molecular oxygen, without oxidizing the functional group, thereby bonding an oxo group to at least one of the carbon atoms constituting the carbon-carbon double bond. The amide-based solvent is represented by formula (1): wherein R1 represents an alkyl group having 1 to 4 carbon atoms; R2 and R3 each independently represent an alkyl group having 1 to 4 carbon atoms or an aryl group; and when R1 and R2 are alkyl groups, R1 and R2 may be bonded to each other to form a ring structure.Type: ApplicationFiled: October 8, 2010Publication date: August 2, 2012Applicants: Osaka University, JX NIPPON OIL & ENERGY CORPORATIONInventors: Kiyotomi Kaneda, Hisashi Sone
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Publication number: 20110288340Abstract: A method for manufacturing a ketone includes oxidizing an internal olefin or a cyclic olefin having one carbon-carbon double bond or more at a position other than terminals of a molecule thereof in an amide-based solvent in the presence of water, a palladium catalyst, and molecular oxygen, thereby bonding an oxo group to at least one of the carbon atoms constituting the carbon-carbon double bond, in which the amide-based solvent is represented by the formula in the formula (1), R1 represents an alkyl group having 1 to 4 carbon atoms, R2 and R3 each independently represent an alkyl group having 1 to 4 carbon atoms or an aryl group, and when R1 and R2 are alkyl groups, R1 and R2 may be bonded to each other to form a ring structure.Type: ApplicationFiled: November 24, 2009Publication date: November 24, 2011Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Kiyotomi Kaneda, Hisashl Sone
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Publication number: 20100331574Abstract: An object of the present invention is to provide a hydroxyapatite with silver supported on the surface thereof, a new compound useful as a catalyst for the reaction of producing an amide compound by hydration of the corresponding nitrile compound. The hydroxyapatite with silver supported on the surface thereof according to the present invention is obtained by supporting zero-valent Ag on the surface of a hydroxyapatite. Also provided are a hydroxyapatite with silver supported on the surface thereof used as a catalyst, and a method for producing an amide compound, comprising producing the amide compound by hydration of the corresponding nitrile compound in the presence of a hydroxyapatite with silver supported on the surface thereof having zero-valent Ag supported on the surface of the hydroxyapatite.Type: ApplicationFiled: March 3, 2009Publication date: December 30, 2010Inventors: Kiyotomi Kaneda, Noritsugu Yamasaki
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Publication number: 20100130758Abstract: Disclosed are a catalyst including a hydrotalcite and, immobilized on a surface thereof, particles of at least one metal selected from the group consisting of Cu, Ag, and Au; a method for producing a carbonyl compound through dehydrogenation of an alcohol in the presence of the catalyst; and a method for producing a carbonyl compound through dehydrogenation of an alcohol in the presence of a catalyst including a hydrotalcite and, immobilized on a surface thereof, particles of a metal, in which dehydrogenation is performed in the absence of oxygen.Type: ApplicationFiled: March 9, 2007Publication date: May 27, 2010Inventors: Kiyotomi Kaneda, Noritsugu Yamasaki
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Publication number: 20090075815Abstract: An object of the present invention is to provide tetrahedral fine palladium particles having a high degree of shape selectivity, and a process for producing fine metal particles.Type: ApplicationFiled: March 9, 2007Publication date: March 19, 2009Applicants: N.E. CHEMCAT CORPORATION, OSAKA UNIVERSITYInventors: Kiyotomi Kaneda, Takashi Ito