Patents by Inventor Yutaka Kanbara

Yutaka Kanbara 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: 12060311
    Abstract: The present invention can provide a method for producing an aromatic nitrile in which a fixed-bed reactor including a plurality of reaction tubes is used to subject a gaseous mixture comprising an aromatic hydrocarbon, ammonia, and oxygen by contact catalytic reaction on a catalyst to thereby produce the corresponding aromatic nitrile, wherein the catalyst is composed of an oxide containing vanadium, chromium, and boron and one or more supports selected from among alumina, silica-alumina, zirconia, and titania. One of the reaction tubes is filled with the catalyst of one kind and examined as to where a hot spot lies therein. An inert substance is filled into that portion of each of the plurality of reaction tubes which corresponds at least to the hot spot, and the catalyst is filled into the remaining portions.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: August 13, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yutaka Kanbara, Yuta Oomori, Yoichi Kyuuko, Tomoo Tsujimoto, Kazunari Yamamoto, Tsuyoshi Hatakeyama
  • Publication number: 20240247097
    Abstract: An amino compound useful for an epoxy resin curing agent and a method for producing the same. The amino compound has a quaternary carbon at the ?-position of an amino group and is represented by the following formula (1), In formula (1), A is any of: (?) a hydrocarbon group having one or more —O— bond bonded to the carbon at the ?-position of the amino group; (?) a hydrocarbon group having one or more —O— bond bonded to the carbon at the ?-position of the amino group while bonding to any one of R1 to R4; and (?) a hydrocarbon group having one or more —O— bond bonded to the carbon at the ?-position of the amino group while bonding to R1 or R2 and R3 or R4. In formula (1), R1 to R4 are each independently a hydrocarbon group having 1 to 10 carbon atoms.
    Type: Application
    Filed: May 10, 2022
    Publication date: July 25, 2024
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Aoi YOKOO YAMAZOE, Yutaka KANBARA, Kazuki KOUNO, Yuma OHNO
  • Patent number: 11919833
    Abstract: Provided is a method for producing a methyl-adduct compound, the method including methylating, in the presence of potassium carbonate and dimethyl carbonate, a dinitrile compound represented by Formula (1) below to obtain a methyl-adduct compound represented by Formula (2) below: where in Formula (2), R1˜R4 each independently represent hydrogen or methyl, and from one to three of R1˜R4 are each methyl.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: March 5, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Aoi Yokoo Yamazoe, Yutaka Kanbara
  • Publication number: 20230416187
    Abstract: Provided is a method for producing a methyl-adduct compound, the method including methylating, in the presence of potassium carbonate and dimethyl carbonate, a dinitrile compound represented by Formula (1) below to obtain a methyl-adduct compound represented by Formula (2) below: where in Formula (2), R1˜R4 each independently represent hydrogen or methyl, and from one to three of R1˜R4 are each methyl.
    Type: Application
    Filed: April 12, 2022
    Publication date: December 28, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Aoi YOKOO YAMAZOE, Yutaka KANBARA
  • Patent number: 11584705
    Abstract: A production method for a cyclohexanedicarboxylic acid compound, having a step of obtaining a cyclohexanedicarboxylic acid compound or an aqueous ammonia solution of a cyclohexanedicarboxylic acid compound by bringing a phthalic acid compound in an aqueous ammonia solution into contact with hydrogen in the presence of a fixed bed catalyst in a reactor.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 21, 2023
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Aoi Yamazoe, Yuta Ohmori, Akifumi Iida, Yutaka Kanbara
  • Patent number: 11352318
    Abstract: The present invention provides a production method for dicyanocyclohexane, including a step of obtaining dicyanocyclohexane by reacting cyclohexanedicarboxylic acid and/or a salt thereof, or a heated concentrate of an aqueous ammonia solution of cyclohexanedicarboxylic acid with ammonia in a solvent having a boiling point equal to or higher than a reaction temperature.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: June 7, 2022
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Akifumi Iida, Emi Nakano, Yutaka Kanbara
  • Patent number: 11198676
    Abstract: In order to provide a novel phenyl imidazoline compound having an aminomethyl group, a novel phenyl tetrahydropyrimidine compound having an aminomethyl group, or the like, a compound according to the present invention or a salt thereof is represented by the following formula (1): wherein R1 and R2 each independently represent hydrogen or a substituent selected from the group consisting of an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, a hydroxyl group, an amide group, and a halogen atom; and n is an integer of 1 or 2.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: December 14, 2021
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yutaka Kanbara, Emi Nakano
  • Publication number: 20210107864
    Abstract: The present invention can provide a method for producing an aromatic nitrile in which a fixed-bed reactor including a plurality of reaction tubes is used to subject a gaseous mixture comprising an aromatic hydrocarbon, ammonia, and oxygen by contact catalytic reaction on a catalyst to thereby produce the corresponding aromatic nitrile, wherein the catalyst is composed of an oxide containing vanadium, chromium, and boron and one or more supports selected from among alumina, silica-alumina, zirconia, and titania. One of the reaction tubes is filled with the catalyst of one kind and examined as to where a hot spot lies therein. An inert substance is filled into that portion of each of the plurality of reaction tubes which corresponds at least to the hot spot, and the catalyst is filled into the remaining portions.
    Type: Application
    Filed: March 18, 2019
    Publication date: April 15, 2021
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yutaka KANBARA, Yuta OOMORI, Yoichi KYUUKO, Tomoo TSUJIMOTO, Kazunari YAMAMOTO, Tsuyoshi HATAKEYAMA
  • Publication number: 20210024445
    Abstract: A production method for a cyclohexanedicarboxylic acid compound, having a step of obtaining a cyclohexanedicarboxylic acid compound or an aqueous ammonia solution of a cyclohexanedicarboxylic acid compound by bringing a phthalic acid compound in an aqueous ammonia solution into contact with hydrogen in the presence of a fixed bed catalyst in a reactor.
    Type: Application
    Filed: April 11, 2019
    Publication date: January 28, 2021
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Aoi YAMAZOE, Yuta OHMORI, Akifumi IIDA, Yutaka KANBARA
  • Publication number: 20200339516
    Abstract: In order to provide a novel phenyl imidazoline compound having an aminomethyl group, a novel phenyl tetrahydropyrimidine compound having an aminomethyl group, or the like, a compound according to the present invention or a salt thereof is represented by the following formula (1): wherein R1 and R2 each independently represent hydrogen or a substituent selected from the group consisting of an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, a hydroxyl group, an amide group, and a halogen atom; and n is an integer of 1 or 2.
    Type: Application
    Filed: March 23, 2018
    Publication date: October 29, 2020
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yutaka KANBARA, Emi NAKANO
  • Publication number: 20200165195
    Abstract: The present invention provides a production method for dicyanocyclohexane, including a step of obtaining dicyanocyclohexane by reacting cyclohexanedicarboxylic acid and/or a salt thereof, or a heated concentrate of an aqueous ammonia solution of cyclohexanedicarboxylic acid with ammonia in a solvent having a boiling point equal to or higher than a reaction temperature.
    Type: Application
    Filed: August 6, 2018
    Publication date: May 28, 2020
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Akifumi IIDA, Emi NAKANO, Yutaka KANBARA
  • Patent number: 9458116
    Abstract: A benzoguanamine compound having an amino methyl group is represented by the following Formula (1), or a salt thereof: wherein R represents a substituent selected from the group consisting of hydrogen, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, a hydroxyl group, an amide group, and a halogen atom, and n is an integer of 1 to 2.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: October 4, 2016
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yutaka Kanbara, Tomoo Tsujimoto
  • Publication number: 20160176827
    Abstract: A benzoguanamine compound having an amino methyl group is represented by the following Formula (1), or a salt thereof: wherein R represents a substituent selected from the group consisting of hydrogen, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, a hydroxyl group, an amide group, and a halogen atom, and n is an integer of 1 to 2.
    Type: Application
    Filed: July 8, 2014
    Publication date: June 23, 2016
    Applicant: MITSUBHIS GAS CHEMICAL COMPANY, INC.
    Inventors: Yutaka KANBARA, Tomoo TSUJIMOTO
  • Patent number: 8993774
    Abstract: A process of production of an aromatic alcohol or a heterocyclic aromatic alcohol, containing a step of reacting an aromatic amine or a heterocyclic aromatic amine having an aromatic ring or a heterocyclic aromatic ring having thereon at least one substituent —CHR1NR2R3 (wherein R1, R2 and R3 each independently represent hydrogen, an alkyl group having from 1 to 4 carbon atoms, or a benzyl group), with an alcohol, in the presence of a basic catalyst.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: March 31, 2015
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yutaka Kanbara, Takafumi Abe, Norio Fushimi
  • Publication number: 20130303775
    Abstract: A process of production of an aromatic alcohol or a heterocyclic aromatic alcohol, containing a step of reacting an aromatic amine or a heterocyclic aromatic amine having an aromatic ring or a heterocyclic aromatic ring having thereon at least one substituent —CHR1NR2R3 (wherein R1, R2 and R3 each independently represent hydrogen, an alkyl group having from 1 to 4 carbon atoms, or a benzyl group), with an alcohol, in the presence of a basic catalyst.
    Type: Application
    Filed: December 22, 2011
    Publication date: November 14, 2013
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yutaka Kanbara, Takafumi Abe, Norio Fushimi
  • Publication number: 20090299111
    Abstract: The invention provides a method for producing an (alkylphenyl)alkylcyclohexane, including a step of condensing an alkylbenzene with an alkylcyclohexene or an alkylcyclohexanol in the presence of an acid catalyst, and (alkylphenyl)alkylcyclohexane represented by formula (8). The (alkylphenyl)alkylcyclohexane produced through the production method can be transformed into an alkylbiphenyl, a biphenylpolycarboxylic acid, or a biphenylpolycarboxylic anhydride. Through the production method, an (alkylphenyl)alkylcyclohexane and an alkylbiphenyl of interest can be readily and selectively produced. (wherein R1 represents a C1-C4 alkyl group; R2 represents a C1-C4 alkyl group; m is an integer of 0 to 2; n? is an integer of 2 to 5; other conditions are the same as defined in claim 18.
    Type: Application
    Filed: July 25, 2006
    Publication date: December 3, 2009
    Inventors: Yutaka Kanbara, Kenji Morohashi, Junya Nishiuchi
  • Publication number: 20060104009
    Abstract: An electrode sheet which is made by applying a coating solution prepared by dispersing graft polymer which is obtained by graft polymerizing an organic monomer and at least one of activated carbon and carbon black into a solvent over surfaces of a collector followed by drying and heat-treating. An electric double layer capacitor having a constitution of laminating a separator and the electrode sheet. An electrode sheet produced by forming polarizable electrodes strongly at ease over surfaces of collectors such as metal foil whose adhesion strength between the collector and the polarizable electrode hardly decreasing even by gases generated with repetition of charging and discharging electricity, oscillation or so and further, capable of maintaining characteristics such as internal resistance and so on favorably for a long term is provided.
    Type: Application
    Filed: November 14, 2005
    Publication date: May 18, 2006
    Inventors: Yutaka Kanbara, Kenji Morohashi, Kimio Okada, Yasumitsu Higuchi, Yasuhiko Koiso, Koichi Yada
  • Patent number: 6967258
    Abstract: A quaternary ammonium hydroxycarboxylate is produced by quaternizing a tertiary amine with a hydroxycarboxylic ester represented by the following Formula 1: wherein R1 to R3 are as defined in the disclosure. By using only one tertiary amine having at least one substituent different from R1 of the ester moiety of the hydroxycarboxylic ester and by controlling the reaction conditions, a mixture of quaternary ammonium hydroxycarboxylates having different quaternary ammonium ions is produced. By reacting an inorganic acid with the quaternary ammonium hydroxycarboxylate or its mixture, a quaternary ammonium salt of inorganic acid or its mixture is produced.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: November 22, 2005
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yutaka Kanbara, Yasushi Higuchi, Tomoo Tsujimoto, Genki Nogami
  • Publication number: 20040254242
    Abstract: A quaternary ammonium hydroxycarboxylate is produced by quaternizing a tertiary amine with a hydroxycarboxylic ester represented by the following Formula 1: 1
    Type: Application
    Filed: May 7, 2004
    Publication date: December 16, 2004
    Inventors: Yutaka Kanbara, Yasushi Higuchi, Tomoo Tsujimoto, Genki Nogami
  • Patent number: 6784317
    Abstract: A quaternary ammonium hydroxycarboxylate is produced by quaternizing a tertiary amine with a hydroxycarboxylic ester represented by the following Formula 1: wherein R1 to R3 are as defined in the disclosure. By using only one tertiary amine having at least one substituent different from R1 of the ester moiety of the hydroxycarboxylic ester and by controlling the reaction conditions, a mixture of quaternary ammonium hydroxycarboxylates having different quaternary ammonium ions is produced. By reacting an inorganic acid with the quaternary ammonium hydroxycarboxylate or its mixture, a quaternary ammonium salt of inorganic acid or its mixture is produced.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: August 31, 2004
    Assignee: Mitsubishi Gas Chemical Company, Inc
    Inventors: Yutaka Kanbara, Yasushi Higuchi, Tomoo Tsujimoto, Genki Nogami