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).

  • Patent number: 12110296
    Abstract: 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: Grant
    Filed: October 7, 2019
    Date of Patent: October 8, 2024
    Assignees: N.E. CHEMCAT CORPORATION, OSAKA UNIVERSITY
    Inventors: Kiyotomi Kaneda, Takato Mitsudome, Yoshiyuki Wada, Yukio Takagi
  • Patent number: 11505460
    Abstract: 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: Grant
    Filed: September 8, 2017
    Date of Patent: November 22, 2022
    Assignees: OSAKA UNIVERISTY, DAICEL CORPORATION
    Inventors: Kiyotomi Kaneda, Takato Mitsudome, Yasuteru Kajikawa, Yuuichirou Hirai, Keisuke Ono
  • Publication number: 20220144789
    Abstract: 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: Application
    Filed: February 20, 2020
    Publication date: May 12, 2022
    Applicants: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATION
    Inventors: Kiyotomi KANEDA, Takato MITSUDOME, Miho KIMURA, Yukio TAKAGI, Yosuke IMANAKA, Hiroyasu SUZUKA, Tatsuya KOJIMA
  • Publication number: 20220127218
    Abstract: 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: Application
    Filed: March 5, 2019
    Publication date: April 28, 2022
    Applicants: OSAKA UNIVERSITY, DAICEL CORPORATION
    Inventors: Tomoo MIZUGAKI, Kiyotomi KANEDA, Yasuteru KAJIKAWA, Yuuichirou HIRAI
  • Publication number: 20220111367
    Abstract: 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: Application
    Filed: August 30, 2019
    Publication date: April 14, 2022
    Applicants: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATION
    Inventors: Kiyotomi KANEDA, Takato MITSUDOME, Miho KIMURA, Yukio TAKAGI, Yoshiyuki WADA
  • Publication number: 20220024842
    Abstract: 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: Application
    Filed: September 17, 2019
    Publication date: January 27, 2022
    Applicants: OSAKA UNIVERSITY, DAICEL CORPORATION
    Inventors: Tomoo MIZUGAKI, Kiyotomi KANEDA, Yasuteru KAJIKAWA, Yuuichirou HIRAI
  • Publication number: 20210380594
    Abstract: 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: Application
    Filed: October 7, 2019
    Publication date: December 9, 2021
    Applicants: N.E. CHEMCAT CORPORATION, OSAKA UNIVERSITY
    Inventors: Kiyotomi KANEDA, Takato MITSUDOME, Yoshiyuki WADA, Yukio TAKAGI
  • Publication number: 20200016576
    Abstract: 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: Application
    Filed: March 28, 2018
    Publication date: January 16, 2020
    Applicants: OSAKA UNIVERSITY, N. E. CHEMCAT COROPORATION
    Inventors: Kiyotomi KANEDA, Takato MITSUDOME, Yukio TAKAGI
  • Publication number: 20190276309
    Abstract: 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: Application
    Filed: September 8, 2017
    Publication date: September 12, 2019
    Applicants: OSAKA UNIVERSITY, DAICEL CORPORATION
    Inventors: Kiyotomi KANEDA, Takato MITSUDOME, Yasuteru KAJIKAWA, Yuuichirou HIRAI, Keisuke ONO
  • Patent number: 9707544
    Abstract: 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: Grant
    Filed: April 22, 2016
    Date of Patent: July 18, 2017
    Assignees: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATION
    Inventors: Kiyotomi Kaneda, Yukio Takagi
  • Publication number: 20160310931
    Abstract: 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: Application
    Filed: April 22, 2016
    Publication date: October 27, 2016
    Applicants: OSAKA UNIVERSITY, N.E. CHEMCAT CORPORATION
    Inventors: KIYOTOMI KANEDA, YUKIO TAKAGI
  • Patent number: 8946468
    Abstract: 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: Grant
    Filed: February 18, 2011
    Date of Patent: February 3, 2015
    Assignees: JX Nippon Oil & Energy Corporation, Osaka University
    Inventors: Kiyotomi Kaneda, Hisashi Sone
  • Patent number: 8507728
    Abstract: 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: Grant
    Filed: November 24, 2009
    Date of Patent: August 13, 2013
    Assignee: JX Nippon Oil & Energy Corporation
    Inventors: Kiyotomi Kaneda, Hisashi Sone
  • Publication number: 20120316360
    Abstract: 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 bonde
    Type: Application
    Filed: February 18, 2011
    Publication date: December 13, 2012
    Applicants: Osaka University, JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Kiyotomi Kaneda, Hisashi Sone
  • Publication number: 20120197036
    Abstract: 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: Application
    Filed: October 8, 2010
    Publication date: August 2, 2012
    Applicants: Osaka University, JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Kiyotomi Kaneda, Hisashi Sone
  • Publication number: 20110288340
    Abstract: 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: Application
    Filed: November 24, 2009
    Publication date: November 24, 2011
    Applicant: JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Kiyotomi Kaneda, Hisashl Sone
  • Publication number: 20100331574
    Abstract: 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: Application
    Filed: March 3, 2009
    Publication date: December 30, 2010
    Inventors: Kiyotomi Kaneda, Noritsugu Yamasaki
  • Publication number: 20100130758
    Abstract: 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: Application
    Filed: March 9, 2007
    Publication date: May 27, 2010
    Inventors: Kiyotomi Kaneda, Noritsugu Yamasaki
  • Publication number: 20090075815
    Abstract: 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: Application
    Filed: March 9, 2007
    Publication date: March 19, 2009
    Applicants: N.E. CHEMCAT CORPORATION, OSAKA UNIVERSITY
    Inventors: Kiyotomi Kaneda, Takashi Ito