Patents by Inventor Kiminori Araki

Kiminori Araki 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).

  • Publication number: 20230017595
    Abstract: A urethane-based adhesive composition includes a urethane prepolymer, a carbon black A having a dibutyl phthalate oil absorption number of 30 to 40 ml/100 g, a carbon black B having a dibutyl phthalate oil absorption number of 98 to 108 ml/100 g, a calcium carbonate C, a plasticizer D, a modified product E of an aliphatic diisocyanate, and a catalyst, and the urethane-based adhesive composition is configured to satisfy all of the following (1) to (6): (1) 25?a?35, (2) 55?b?75, (3) 197?a+3b?251, (4) 30?c?35, (5) 35?d?45, and (6) 9?e?13.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 19, 2023
    Inventor: Kiminori Araki
  • Patent number: 11230642
    Abstract: The one-part moisture-curable urethane composition of the present technology includes: a urethane prepolymer (A) having an isocyanate group; at least one type of compound (B) selected from the group consisting of an aliphatic isocyanate compound and a modified product of the aliphatic isocyanate compound; and a monoalcohol compound (C) having a hydroxy group, the monoalcohol compound (C) being blended in an amount such that the amount of the hydroxy group in the monoalcohol compound (C) is from 0.025 to 0.4 mol per 1 mol of the isocyanate group in the urethane prepolymer (A).
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: January 25, 2022
    Inventor: Kiminori Araki
  • Patent number: 11117998
    Abstract: The present technology provides a one-part moisture-curable polyurethane composition excellent in long-term adhesion against weather resistance and vibration. According to the embodiment of the present technology, a one-part moisture-curable polyurethane composition includes: a urethane prepolymer having an isocyanate group; a morpholine compound having one morpholine ring; and an ether compound having two dimethylamino groups.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: September 14, 2021
    Inventors: Kiminori Araki, Kazunori Ishikawa
  • Patent number: 11117999
    Abstract: The present technology provides a polyurethane composition including: a main agent; and a curing agent, wherein the main agent includes a urethane prepolymer having an isocyanate group, a morpholine compound having one morpholine ring, and an ether compound having two dimethylamino groups, and the curing agent includes an active hydrogen compound having two or more active hydrogen-containing groups in one molecule.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: September 14, 2021
    Inventors: Kiminori Araki, Kazunori Ishikawa
  • Patent number: 10723924
    Abstract: The present technology provides a one-part moisture curable adhesive composition and a production method thereof. The adhesive composition contains: a preliminary composition containing a urethane prepolymer and a reaction product of an aliphatic isocyanate A and an aminosilane compound B or a monoterpene alcohol; and a dimethyl tin catalyst represented by Formula (1) below. In Formula (1), X1 and X2 each independently represent a divalent heteroatom and R1 and R2 each independently represent a hydrocarbon group that may have a heteroatom.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: July 28, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Kiminori Araki
  • Patent number: 10584269
    Abstract: The present technology provides: a one-part moisture-curable adhesive composition including: a preliminary composition obtained by mixing a urethane prepolymer, an aliphatic isocyanate A, and an aminosilane compound B, and a dimethyl tin catalyst represented by Formula (1) below; and a production method thereof. In Formula (1), X1 and X2 each independently represent a divalent heteroatom, and R1 and R2 each independently represent a hydrocarbon group that may have a heteroatom.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: March 10, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Kiminori Araki
  • Publication number: 20200024448
    Abstract: The one-part moisture-curable urethane composition of the present technology includes: a urethane prepolymer (A) having an isocyanate group; at least one type of compound (B) selected from the group consisting of an aliphatic isocyanate compound and a modified product of the aliphatic isocyanate compound; and a monoalcohol compound (C) having a hydroxy group, the monoalcohol compound (C) being blended in an amount such that the amount of the hydroxy group in the monoalcohol compound (C) is from 0.025 to 0.4 mol per 1 mol of the isocyanate group in the urethane prepolymer (A).
    Type: Application
    Filed: June 12, 2017
    Publication date: January 23, 2020
    Inventor: Kiminori Araki
  • Publication number: 20190284328
    Abstract: The present technology provides a polyurethane composition including: a main agent; and a curing agent, wherein the main agent includes a urethane prepolymer having an isocyanate group, a morpholine compound having one morpholine ring, and an ether compound having two dimethylamino groups, and the curing agent includes an active hydrogen compound having two or more active hydrogen-containing groups in one molecule.
    Type: Application
    Filed: November 17, 2017
    Publication date: September 19, 2019
    Inventors: Kiminori Araki, Kazunori Ishikawa
  • Publication number: 20190284327
    Abstract: The present technology provides a one-part moisture-curable polyurethane composition excellent in long-term adhesion against weather resistance and vibration. According to the embodiment of the present technology, a one-part moisture-curable polyurethane composition includes: a urethane prepolymer having an isocyanate group; a morpholine compound having one morpholine ring; and an ether compound having two dimethylamino groups.
    Type: Application
    Filed: November 17, 2017
    Publication date: September 19, 2019
    Inventors: Kiminori ARAKI, Kazunori ISHIKAWA
  • Patent number: 10385245
    Abstract: The present technology is to provide a one-part moisture-curable polyurethane composition having excellent adhesion to an adherend (coated plate), and a method for producing such a composition. The present technology is a one-part moisture-curable urethane composition including a preliminary composition obtained by mixing a urethane prepolymer, an aliphatic isocyanate A, and an aminosilane compound B, and a catalyst; and a method for producing such a composition.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: August 20, 2019
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Kiminori Araki
  • Publication number: 20180208815
    Abstract: The present technology provides a one-part moisture curable adhesive composition and a production method thereof. The adhesive composition contains: a preliminary composition containing a urethane prepolymer and a reaction product of an aliphatic isocyanate A and an aminosilane compound B or a monoterpene alcohol; and a dimethyl tin catalyst represented by Formula (1) below. In Formula (1), X1 and X2 each independently represent a divalent heteroatom and R1 and R2 each independently represent a hydrocarbon group that may have a heteroatom.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 26, 2018
    Inventor: Kiminori Araki
  • Publication number: 20180208814
    Abstract: The present technology provides: a one-part moisture-curable adhesive composition including: a preliminary composition obtained by mixing a urethane prepolymer, an aliphatic isocyanate A, and an aminosilane compound B, and a dimethyl tin catalyst represented by Formula (1) below; and a production method thereof. In Formula (1), X1 and X2 each independently represent a divalent heteroatom, and R1 and R2 each independently represent a hydrocarbon group that may have a heteroatom.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 26, 2018
    Inventor: Kiminori Araki
  • Patent number: 10011748
    Abstract: The present technology provides an adhesive composition containing a urethane prepolymer (UP), plural types of carbon blacks (CB), calcium carbonate, aliphatic isocyanate, a metal catalyst, and an amine catalyst, wherein first and second CBs have dibutyl phthalate oil absorptions of from 23 to 40 cm3/100 g and from 85 to 120 cm3/100 g, respectively; contents 1 and 2 of the first and second CBs are respectively not less than 25 parts by mass and not less than 9 parts by mass per 100 parts by mass of the UP; a content of the calcium carbonate is from 5 to 30 parts by mass per 100 parts by mass of the UP, and from 5 to 50 parts by mass per 100 parts by mass of a sum of the contents 1 and 2.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: July 3, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Kiminori Araki, Miyuki Ariizumi
  • Patent number: 9982111
    Abstract: A one-part moisture-curable polyurethane composition according to the present technology comprises: a urethane prepolymer (A), a crosslinking agent (B), carbon black (C) and a catalyst (D). The crosslinking agent (B) is at least one type selected from the group consisting of isocyanurate of hexamethylene diisocyanate (b1), allophanate of hexamethylene diisocyanate (b2), a reaction product of hexamethylene diisocyanate with trimethylolpropane (b3), and a reaction product of hexamethylene diisocyanate with glycerin (b4). The content of the crosslinking agent (B) is from 8 to 20 parts by mass per 100 parts by mass of the urethane prepolymer (A).
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: May 29, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Kiminori Araki, Akio Ikeda
  • Publication number: 20180086956
    Abstract: The present technology provides an adhesive composition containing a urethane prepolymer (UP), plural types of carbon blacks (CB), calcium carbonate, aliphatic isocyanate, a metal catalyst, and an amine catalyst, wherein first and second CBs have dibutyl phthalate oil absorptions of from 23 to 40 cm3/100 g and from 85 to 120 cm3/100 g, respectively; contents 1 and 2 of the first and second CBs are respectively not less than 25 parts by mass and not less than 9 parts by mass per 100 parts by mass of the UP; a content of the calcium carbonate is from 5 to 30 parts by mass per 100 parts by mass of the UP, and from 5 to 50 parts by mass per 100 parts by mass of a sum of the contents 1 and 2.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 29, 2018
    Inventors: Kiminori Araki, Miyuki Ariizumi
  • Patent number: 9862796
    Abstract: A one-part moisture-curable polyurethane composition of the present technology comprises: a preliminary composition containing a urethane prepolymer (A); and an adhesion promoter (B); the adhesion promoter being a reaction product of a compound (b1) having three or more isocyanate groups; and a compound (b2) of at least one type of a compound selected from the group consisting of compounds represented by Formula (1) to (4) described below and hydrogenated compounds of compounds represented by Formula (1) to (3) described below; wherein a ratio (NCO/OH) between an isocyanate group (NCO) of the compound (b1) and a hydroxy group (OH) of the compound (b2) is 1.2 to 3.2; and a content of the adhesion promoter (B) being 0.1 to 10 parts by mass per 100 parts by mass of the preliminary composition.
    Type: Grant
    Filed: December 25, 2014
    Date of Patent: January 9, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Kiminori Araki
  • Patent number: 9834711
    Abstract: A one-pack moisture-curing composition of the present technology contains a preliminary composition, an adhesiveness-imparting agent containing a compound (A) and/or a compound (B), a first catalyst containing a compound (C) and/or dibutyltin bis(pentadione), and a second catalyst containing a dimorpholinodiethylether.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: December 5, 2017
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Kiminori Araki
  • Publication number: 20170158927
    Abstract: The present technology is to provide a one-part moisture-curable polyurethane composition having excellent adhesion to an adherend (coated plate), and a method for producing such a composition. The present technology is a one-part moisture-curable urethane composition including a preliminary composition obtained by mixing a urethane prepolymer, an aliphatic isocyanate A, and an aminosilane compound B, and a catalyst; and a method for producing such a composition.
    Type: Application
    Filed: June 30, 2015
    Publication date: June 8, 2017
    Applicant: The Yokohama Rubber Co., Ltd.
    Inventor: Kiminori Araki
  • Publication number: 20170058076
    Abstract: A one-part moisture-curable polyurethane composition of the present technology comprises: a preliminary composition containing a urethane prepolymer (A); and an adhesion promoter (B); the adhesion promoter being a reaction product of a compound (b1) having three or more isocyanate groups; and a compound (b2) of at least one type of a compound selected from the group consisting of compounds represented by Formula (1) to (4) described below and hydrogenated compounds of compounds represented by Formula (1) to (3) described below; wherein a ratio (NCO/OH) between an isocyanate group (NCO) of the compound (b1) and a hydroxy group (OH) of the compound (b2) is 1.2 to 3.2; and a content of the adhesion promoter (B) being 0.1 to 10 parts by mass per 100 parts by mass of the preliminary composition.
    Type: Application
    Filed: December 25, 2014
    Publication date: March 2, 2017
    Inventor: Kiminori Araki
  • Patent number: 9534073
    Abstract: Provided is a method for producing a one-component moisture-curing polyurethane composition, the method comprising: a mixing step in which a liquid component (A) containing a polyol compound is mixed with a powder component (B) containing a filler so as to obtain a paste-like mixture of the liquid component (A) and the powder component (B); a dehydration step in which, following the mixing step, at least a portion of the residual moisture in the paste-like mixture is removed; a prepolymer generation step in which a polyisocyanate compound (C) is mixed with the paste-like mixture following the dehydration step so as to obtain a mixture containing a urethane prepolymer generated by a reaction between the polyisocyanate compound (C) and the polyol compound in the paste-like mixture; and a composition generation step in which the mixture is mixed with an aliphatic isocyanate compound (D) so as to obtain a one-component moisture-curing polyurethane composition.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: January 3, 2017
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Miyuki Mori, Hiroshi Fukui, Kiminori Araki, Akio Ikeda