Patents Assigned to KOEI Chemical Company, Limited
  • Publication number: 20230295368
    Abstract: A blocking agent dissociation catalyst for blocked isocyanates comprising a nitrogen-containing compound represented by Formula (1a): wherein D is represented by Formula (2): wherein R1, R2, R3, R4, and a are as described in the specification.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi MIYAGI, Hitomi TSUBOI, Shingo NITTA
  • Patent number: 11718704
    Abstract: A blocking agent dissociation catalyst for blocked isocyanates comprising a nitrogen-containing compound represented by Formula (1a): wherein D is represented by Formula (2): wherein R1, R2, R3, R4, and a are as described in the specification.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: August 8, 2023
    Assignee: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi Miyagi, Hitomi Tsuboi, Shingo Nitta
  • Publication number: 20230203235
    Abstract: The present invention provides a blocked polyisocyanate composition comprising a blocked polyisocyanate compound and an amidate compound represented by the following Formula (2): wherein B, R4, R5, R6, R7, R8, R9, R10, and R11 are as defined in the specification.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 29, 2023
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi MIYAGI, Mitsuki ONODA
  • Publication number: 20230202988
    Abstract: The invention provides a method for producing an amidate compound, comprising reacting an imidazolium carboxylic acid salt represented by the following formula (1): wherein R1 to R5 are as defined in the specification, with a polyisocyanate compound represented by the following formula (2): wherein A and x are as defined in the specification, and wherein the produced amidate compound is represented by the following formula (3): wherein y, z, A, and R1 to R5 are as defined in the specification.
    Type: Application
    Filed: March 29, 2021
    Publication date: June 29, 2023
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi MIYAGI, Mitsuki ONODA
  • Publication number: 20230167229
    Abstract: The present invention provides a blocked isocyanate composition comprising a blocked isocyanate compound in which an isocyanate group of an isocyanate compound is blocked with a fluoroalcohol compound, and at least one amidate compound represented by the following Formula (2): wherein B, G, J, R7. and R8 are as defined in the specification.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 1, 2023
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi MIYAGI, Mitsuki ONODA, Naohito INOUE
  • Publication number: 20230095854
    Abstract: This invention provide a method for producing a carboxylate compound represented by the following formula (3a), the method comprising reacting an imidazolium carboxylic acid salt represented by the following formula (1) and a carbonic acid ester represented by the following formula (2): formulas (1), (2), and (3a): wherein R1 to R7 are as defined in the specification.
    Type: Application
    Filed: February 3, 2021
    Publication date: March 30, 2023
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Mitsuki ONODA, Motoyoshi MIYAGI
  • Publication number: 20220119583
    Abstract: An object of the present invention is to provide a compound suitable for use as a latent curing agent, which does not produce an aldehyde compound when caused to react with an isocyanate compound. The present invention provides, as the compound, a silylamine compound represented by the following formula (1): in the formula (1), R1 to R12 each independently represent an alkyl group having 1 to 6 carbon atoms, R13 represents an alkylene group having 2 to 12 carbon atoms or an arylene group having 6 to 12 carbon atoms, R14 to R21 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, “y” and “z” each independently represent an integer of from 1 to 11, and “n” represents an integer of from 1 to 43.
    Type: Application
    Filed: October 31, 2019
    Publication date: April 21, 2022
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Shingo Nitta, Motoyoshi Miyagi, Masakazu Kikuchi
  • Publication number: 20220048864
    Abstract: A method for producing an amidate compound represented by Formula (4), comprising reacting an iminium salt represented by Formula (1) and an organic compound represented by Formula (3), wherein Formulas (1), (3), and (4) are as defined in the description.
    Type: Application
    Filed: September 27, 2019
    Publication date: February 17, 2022
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi MIYAGI, Mitsuki ONODA, Shingo NITTA
  • Patent number: 10913724
    Abstract: A method for producing an amidate compound represented by Formula (3), comprising reacting a urethane compound represented by Formula (1) with a carboxylate compound represented by Formula (2): (in the formulas, A, n, R1, R2, R3, R4, R5, R6, X, and a are as described in the Description).
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: February 9, 2021
    Assignee: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Hitomi Tsuboi, Motoyoshi Miyagi, Shingo Nitta, Shogo Takahashi
  • Publication number: 20200216600
    Abstract: A blocking agent dissociation catalyst for blocked isocyanates comprising a nitrogen-containing compound represented by Formula (1a): wherein D is represented by Formula (2): wherein R1, R2, R3, R4, and a are as described in the specification.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 9, 2020
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi MIYAGI, Hitomi TSUBOI, Shingo NITTA
  • Patent number: 10689478
    Abstract: Provided is an amidate compound represented by the formula (1): wherein A is a substituted or unsubstituted hydrocarbon group, n is an integer of 1 or more, and D is a nitrogen-containing organic group represented by the formula (2): wherein R1, R2, and R3 are the same or different, and are each a hydrocarbon group that may contain a heteroatom; some or all of R1, R2, and R3 may be bonded together to form a ring structure; X is a nitrogen atom, an oxygen atom, or a sulfur atom; and a is 0 or 1, wherein a is 1 when X is a nitrogen atom, and a is 0 when X is an oxygen atom or a sulfur atom.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: June 23, 2020
    Assignee: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi Miyagi, Shingo Nitta, Hitomi Tsuboi, Shogo Takahashi
  • Publication number: 20200024237
    Abstract: A method for producing an amidate compound represented by Formula (3), comprising reacting a urethane compound represented by Formula (1) with a carboxylate compound represented by Formula (2): (in the formulas, A, n, R1, R2, R3, R4, R5, R6, X, and a are as described in the Description).
    Type: Application
    Filed: March 29, 2018
    Publication date: January 23, 2020
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Hitomi TSUBOI, Motoyoshi MIYAGI, Shingo NITTA, Shogo TAKAHASHI
  • Publication number: 20190177464
    Abstract: Provided is an amidate compound represented by the formula (1): wherein A is a substituted or unsubstituted hydrocarbon group, n is an integer of 1 or more, and D is a nitrogen-containing organic group represented by the formula (2): wherein R1, R2, and R3 are the same or different, and are each a hydrocarbon group that may contain a heteroatom; some or all of R1, R2, and R3 may be bonded together to form a ring structure; X is a nitrogen atom, an oxygen atom, or a sulfur atom; and a is 0 or 1, wherein a is 1 when X is a nitrogen atom, and a is 0 when X is an oxygen atom or a sulfur atom.
    Type: Application
    Filed: August 3, 2017
    Publication date: June 13, 2019
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Motoyoshi MIYAGI, Shingo NITTA, Hitomi TSUBOI, Shogo TAKAHASHI
  • Patent number: 10087155
    Abstract: The invention relates to an onium salt, a liquid composition containing the onium salt and cellulose, and a method for recovering cellulose. The invention makes it possible to provide an onium salt having an extremely high ability to dissolve cellulose at temperatures of 100° C. or lower. It also makes it possible to provide a liquid composition containing this onium salt and cellulose, as a composition suitable for the recovery of cellulose, and a method for recovering cellulose efficiently by using such a liquid composition containing the onium salt and cellulose.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: October 2, 2018
    Assignee: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Yuko Koga, Syuko Sakugawa
  • Patent number: 9611280
    Abstract: The present invention relates to a novel tetraaryl borate compound and a method for producing the same, and a method for producing a tetraaryl borate compound using the tetraaryl borate compound as an intermediate. According to the present invention, it is possible to provide a tetraaryl borate compound which has high thermal stability and can be safely handled industrially and a method for producing the same. It is also possible to provide a method for producing a tetraaryl borate compound used as a co-catalyst for a polymerization reaction using a metallocene catalyst by further reacting the tetraaryl borate compound with an amine compound.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: April 4, 2017
    Assignee: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Satoshi Takaishi, Hang Jiang
  • Patent number: 9365492
    Abstract: The present invention relates to a production method for 2-(ethylamino)ethanol, including subjecting N-ethyldiethanolamine to a disproportionation reaction in the presence of at least one kind of catalyst selected from the group consisting of a manganese oxide catalyst and an alkali metal hydroxide-supporting zirconium oxide catalyst. According to the present invention, 2-(ethylamino)ethanol can be obtained by subjecting N-ethyldiethanolamine to the disproportionation reaction. 2-(Ethylamino)ethanol is a useful compound to be used in various applications such as a drug, an agricultural chemical, and a functional chemical.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: June 14, 2016
    Assignee: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Hidetaka Shimazu, Tsuyoshi Tagata
  • Publication number: 20160108062
    Abstract: The present invention relates to a novel tetraaryl borate compound and a method for producing the same, and a method for producing a tetraaryl borate compound using the tetraaryl borate compound as an intermediate. According to the present invention, it is possible to provide a tetraaryl borate compound which has high thermal stability and can be safely handled industrially and a method for producing the same. It is also possible to provide a method for producing a tetraaryl borate compound used as a co-catalyst for a polymerization reaction using a metallocene catalyst by further reacting the tetraaryl borate compound with an amine compound.
    Type: Application
    Filed: April 24, 2014
    Publication date: April 21, 2016
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Satoshi TAKAISHI, Hang JIANG
  • Publication number: 20150266807
    Abstract: The present invention relates to a production method for 2-(ethylamino)ethanol, including subjecting N-ethyldiethanolamine to a disproportionation reaction in the presence of at least one kind of catalyst selected from the group consisting of a manganese oxide catalyst and an alkali metal hydroxide-supporting zirconium oxide catalyst. According to the present invention, 2-(ethylamino)ethanol can be obtained by subjecting N-ethyldiethanolamine to the disproportionation reaction. 2-(Ethylamino)ethanol is a useful compound to be used in various applications such as a drug, an agricultural chemical, and a functional chemical.
    Type: Application
    Filed: October 2, 2013
    Publication date: September 24, 2015
    Applicant: KOEI CHEMICAL COMPANY, LIMITED
    Inventors: Hidetaka Shimazu, Tsuyoshi Tagata
  • Patent number: 9102587
    Abstract: The present invention relates to a method of producing 2-(isopropylamino)ethanol, including subjecting acetone, 2-aminoethanol, and hydrogen to a vapor-phase catalytic reaction in the presence of a noble metal-containing catalyst. According to the present invention, 2-(isopropylamino)ethanol can be industrially obtained in a large amount and with high efficiency through the vapor-phase catalytic reaction of acetone, 2-aminoethanol, and hydrogen. 2-(Isopropylamino)ethanol is a compound useful as a raw material for a drug, an agricultural chemical, or the like.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: August 11, 2015
    Assignee: KOEI CHEMICAL COMPANY, LIMITED
    Inventor: Hidetaka Shimazu
  • Patent number: 8654510
    Abstract: A solid electrolytic capacitor includes a solid electrolytic capacitor element having an anode element having a dielectric film formed on a surface thereof and a conductive polymer layer formed on the anode element, an ionic liquid composed of an anion component and a cation component is present in the conductive polymer layer, and the cation component contains a cation having two or more ether linkages.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: February 18, 2014
    Assignees: SANYO Electric Co., Ltd., Koei Chemical Company, Limited
    Inventors: Masahiro Ueda, Ayao Moriyama