Patents by Inventor Daisuke Hasegawa

Daisuke Hasegawa 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: 11312815
    Abstract: A polyurethane resin is a reaction product of a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane with a macropolyol component having a number average molecular weight of above 400 and 5000 or less. The shore A hardness thereof is 80 or less, a temperature at which a storage elastic modulus E? thereof shows 1×106 Pa is 200° C. or more, and a ratio (E?150/E?50) of a storage elastic modulus E?150 at 150° C. with respect to a storage elastic modulus E?50 at 50° C. is 0.1 or more and 1.4 or less.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: April 26, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Daisuke Hasegawa, Hidetaka Honda, Hiroshi Kanayama, Hirofumi Morita, Satoshi Yamasaki
  • Patent number: 11254783
    Abstract: A xylylenediisocyanate composition including xylylenediisocyanate and a compound represented by Chemical Formula (1) below, wherein 0.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: February 22, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Satoshi Yamasaki, Daisuke Hasegawa, Hirokazu Morita, Hideaki Otsuka, Tatsuya Nakashima, Chitoshi Shimakawa, Shigetoshi Kuma, Masaaki Sasaki
  • Patent number: 11254791
    Abstract: In a polyurethane gel 1 including a gel layer 2 and a coat layer 3 covering the gel layer 2, the gel layer 2 is produced by allowing at least aliphatic polyisocyanate having an average functionality of more than 2.0 to react with polyol having an average functionality of 3.0 or less, and the coat layer 3 is produced by allowing at least aliphatic diisocyanate and/or alicyclic diisocyanate to react with bifunctional active hydrogen compound.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: February 22, 2022
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Daisuke Hasegawa, Masakazu Kageoka, Toshihiko Nakagawa, Goro Kuwamura, Hirokazu Morita, Satoshi Yamasaki
  • Publication number: 20210351412
    Abstract: A secondary battery includes: a solid electrolyte layer which contains a tantalum oxide as a solid electrolyte; a positive-electrode active material layer which is disposed on an upper surface of the solid electrolyte layer and contains a nickel hydroxide (Ni(OH)2) as a positive-electrode active material; and a negative-electrode active material layer disposed on a lower surface of the solid electrolyte layer so as to be opposite to the positive-electrode active material layer and containing a titanium oxide (TiOx) or a titanium oxide (TiOx) and a silicon oxide (SiOx) as a negative-electrode active material. There is provided a secondary battery capable of improving electricity storage performance by improving a self-discharge.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 11, 2021
    Inventors: Daisuke HASEGAWA, Kazuyuki TSUNOKUNI, Tomokazu SAITO, Taku HIGUTI
  • Patent number: 11058660
    Abstract: A method of healing an external wound involves applying an external wound-healing agent to an external wound, or bringing the external wound-healing agent applied to a substrate into contact with an external wound, wherein the external wound-healing agent includes, as an active ingredient, at least one compound of a glycerol alkyl ester represented by defined Formula (I) or a diglycerol alkyl ester represented by defined Formula (II). In a further embodiment, the method involves bringing a fiber aggregate or a film into contact with an external wound, wherein the fiber aggregate or the film each includes a thermoplastic resin and at least one compound of the glycerol alkyl ester or the diglycerol alkyl ester.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: July 13, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Naosuke Kunimoto, Kenichi Suzuki, Kouya Kojima, Akira Hasegawa, Yasufumi Tsuchiya, Jun Kamada, Satoshi Yamasaki, Goro Kuwamura, Daisuke Hasegawa
  • Patent number: 10927213
    Abstract: A method for producing a polyurethane resin includes a reaction step of obtaining a primary product by reacting a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane with a polyol component containing a low molecular weight polyol having a number average molecular weight of 400 or less and a high molecular weight polyol having an average molecular weight of 2500 or more and 4000 or less under the presence of a bismuth catalyst, and a heat treatment step of heat treating the primary product to obtain a polyurethane resin. The bismuth catalyst content in the polyurethane resin is 0.1 ppm or more and 1000 ppm or less, and the heat treatment conditions in the heat treatment step are 50° C. or more and 100° C. or less and three days or more and ten days or less.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: February 23, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Daisuke Hasegawa, Hiroaki Tago, Masakazu Kageoka, Satoshi Yamasaki
  • Publication number: 20200190249
    Abstract: A xylylenediisocyanate composition including xylylenediisocyanate and a compound represented by Chemical Formula (1) below, wherein 0.
    Type: Application
    Filed: February 25, 2020
    Publication date: June 18, 2020
    Inventors: Satoshi YAMASAKI, Daisuke HASEGAWA, Hirokazu MORITA, Hideaki OTSUKA, Tatsuya NAKASHIMA, Chitoshi SHIMAKAWA, Shigetoshi KUMA, Masaaki SASAKI
  • Publication number: 20200165377
    Abstract: A polyurethane resin is a reaction product of a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane with a macropolyol component having a number average molecular weight of above 400 and 5000 or less. The shore A hardness thereof is 80 or less, a temperature at which a storage elastic modulus E? thereof shows 1×106 Pa is 200° C. or more, and a ratio (E?150/E?50) of a storage elastic modulus E?150 at 150° C. with respect to a storage elastic modulus E?50 at 50° C. is 0.1 or more and 1.4 or less.
    Type: Application
    Filed: May 9, 2018
    Publication date: May 28, 2020
    Inventors: Daisuke HASEGAWA, Hidetaka HONDA, Hiroshi KANAYAMA, Hirofumi MORITA, Satoshi YAMASAKI
  • Patent number: 10640605
    Abstract: A xylylenediisocyanate composition including xylylenediisocyanate and a compound represented by Chemical Formula (1) below, wherein 0.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: May 5, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Satoshi Yamasaki, Daisuke Hasegawa, Hirokazu Morita, Hideaki Otsuka, Tatsuya Nakashima, Chitoshi Shimakawa, Shigetoshi Kuma, Masaaki Sasaki
  • Patent number: 10633483
    Abstract: A foaming thermoplastic polyurethane resin is a reaction product of a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane and a polyol component. In a peak of chromatogram obtained by measurement of the foaming thermoplastic polyurethane resin with gel permeation chromatography, the area of a high molecular weight component having a weight average molecular weight of 400,000 or more with respect to the total area of the peak is 25% or more and 60% or less.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: April 28, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Daisuke Hasegawa, Masakazu Kageoka, Wataru Aoki, Masumi Saruwatari, Satoshi Yamasaki
  • Publication number: 20200055976
    Abstract: A method for producing a polyurethane resin includes a reaction step of obtaining a primary product by reacting a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane with a polyol component containing a low molecular weight polyol having a number average molecular weight of 400 or less and a high molecular weight polyol having an average molecular weight of 2500 or more and 4000 or less under the presence of a bismuth catalyst, and a heat treatment step of heat treating the primary product to obtain a polyurethane resin. The bismuth catalyst content in the polyurethane resin is 0.1 ppm or more and 1000 ppm or less, and the heat treatment conditions in the heat treatment step are 50° C. or more and 100° C. or less and three days or more and ten days or less.
    Type: Application
    Filed: November 14, 2017
    Publication date: February 20, 2020
    Inventors: Daisuke HASEGAWA, Hiroaki TAGO, Masakazu KAGEOKA, Satoshi YAMASAKI
  • Patent number: 10513575
    Abstract: A foam polyurethane material is a reaction-foaming-product of a composition containing a polyisocyanate (a), an isocyanate-terminated prepolymer (b) containing 0.3 mass % or more and less than 5 mass % of an isocyanate group, a polyol (c), and a catalyst.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: December 24, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Daisuke Hasegawa, Masakazu Kageoka, Goro Kuwamura, Satoshi Yamasaki
  • Publication number: 20190367667
    Abstract: A polyurethane elastomer foam material includes a polyisocyanate component (A) and a polyol component (B), wherein the polyisocyanate component (A) contains a prepolymer of 1,4-bis(isocyanatomethyl)cyclohexane (A1) and polyetherdiol (A2) having a straight chain oxyalkylene group with carbon atoms of 3 to 4 as a main chain, and the polyol component (B) contains macropolyol (B1) containing 90 mass % or more of polyetherdiol having a straight chain oxyalkylene group with carbon atoms of 3 to 4 as a main chain, and alkanepolyol (B2) having a. straight chain or branched alkylene group with carbon atoms of 2 to 6.
    Type: Application
    Filed: February 19, 2018
    Publication date: December 5, 2019
    Inventors: Wataru AOKI, Daisuke HASEGAWA, Naohiro MURATA, Masakazu KAGEOKA, Hirofumi MORITA, Satoshi YAMASAKI
  • Publication number: 20190292304
    Abstract: A xylylenediisocyanate composition including xylylenediisocyanate and a compound represented by Chemical Formula (1) below, wherein 0.
    Type: Application
    Filed: April 9, 2018
    Publication date: September 26, 2019
    Inventors: Satoshi YAMASAKI, Daisuke HASEGAWA, Hirokazu MORITA, Hideaki OTSUKA, Tatsuya NAKASHIMA, Chitoshi SHIMAKAWA, Shigetoshi KUMA, Masaaki SASAKI
  • Publication number: 20190211136
    Abstract: A foaming thermoplastic polyurethane resin is a reaction product of a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane and a polyol component. In a peak of chromatogram obtained by measurement of the foaming thermoplastic polyurethane resin with gel permeation chromatography, the area of a high molecular weight component having a weight average molecular weight of 400,000 or more with respect to the total area of the peak is 25% or more and 60% or less.
    Type: Application
    Filed: November 14, 2017
    Publication date: July 11, 2019
    Inventors: Daisuke HASEGAWA, Masakazu KAGEOKA, Wataru AOKI, Masumi SARUWATARI, Satoshi YAMASAKI
  • Publication number: 20190133987
    Abstract: A method of healing an external wound involves applying an external wound-healing agent to an external wound, or bringing the external wound-healing agent applied to a substrate into contact with an external wound, wherein the external wound-healing agent includes, as an active ingredient, at least one compound of a glycerol alkyl ester represented by defined Formula (I) or a diglycerol alkyl ester represented by defined Formula (II). In a further embodiment, the method involves bringing a fiber aggregate or a film into contact with an external wound, wherein the fiber aggregate or the film each includes a thermoplastic resin and at least one compound of the glycerol alkyl ester or the diglycerol alkyl ester.
    Type: Application
    Filed: December 31, 2018
    Publication date: May 9, 2019
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Naosuke KUNIMOTO, Kenichi SUZUKI, Kouya KOJIMA, Akira HASEGAWA, Yasufumi TSUCHIYA, Jun KAMADA, Satoshi YAMASAKI, Goro KUWAMURA, Daisuke HASEGAWA
  • Patent number: 10227468
    Abstract: Disclosed is a polyurethane resin which is obtained by a reaction between a polyisocyanate component, which contains 1,4-bis(isocyanatomethyl)cyclohexane including not less than 80% by mole of trans isomers, and an active hydrogen compound component.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: March 12, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Goro Kuwamura, Toshihiko Nakagawa, Daisuke Hasegawa, Satoshi Yamasaki
  • Publication number: 20180244885
    Abstract: A foam polyurethane material is a reaction-foaming-product of a composition containing a polyisocyanate (a), an isocyanate-terminated prepolymer (b) containing 0.3 mass % or more and less than 5 mass % of an isocyanate group, a polyol (c), and a catalyst.
    Type: Application
    Filed: August 10, 2016
    Publication date: August 30, 2018
    Inventors: Daisuke HASEGAWA, Masakazu KAGEOKA, Goro KUWAMURA, Satoshi YAMASAKI
  • Publication number: 20180208720
    Abstract: In a polyurethane gel 1 including a gel layer 2 and a coat layer 3 covering the gel layer 2, the gel layer 2 is produced by allowing at least aliphatic polyisocyanate having an average functionality of more than 2.0 to react with polyol having an average functionality of 3.0 or less, and the coat layer 3 is produced by allowing at least aliphatic diisocyanate and/or alicyclic diisocyanate to react with bifunctional active hydrogen compound.
    Type: Application
    Filed: July 8, 2016
    Publication date: July 26, 2018
    Inventors: Daisuke HASEGAWA, Masakazu KAGEOKA, Toshihiko NAKAGAWA, Goro KUWAMURA, Hirokazu MORITA, Satoshi YAMASAKI
  • Patent number: 9796824
    Abstract: Disclosed is a polyurethane resin which is obtained by a reaction between a polyisocyanate component, which contains 1,4-bis(isocyanatomethyl)cyclohexane including not less than 80% by mole of trans isomers, and an active hydrogen compound component.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: October 24, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Goro Kuwamura, Toshihiko Nakagawa, Daisuke Hasegawa, Satoshi Yamasaki